Signal module

ACTIVE HIGH PRECISION SIGNAL CONDITIONING MODULE; INPUT: 24VDC INPUT SIGNAL: 4-20mA; OUTPUT SIGNAL: 4-20mA

Buy SIGNAL CONDITIONING MODULE I=24V 4-20mA T1130P for R320.69

Buy Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module With LCD Display for R223.27

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: This module is a multichannel current signal generator that generates 4 channels 4~20mA current signal. The module is simple to use and input data by keystroke operation, and the output signal is updated immediately. Features: Use 12864 LCD display Voltage: 15-24V Active output current 0~20mA. Display resolution 0.01mA and control accuracy 0.1mA Polarity protection of input voltage Can analog transmitter output Compatible for signal generator, valve regulator, and instrument calibration Specifications: Output current: 4~20mA Resolution: 0.01mA Control accuracy: 0.1mA Application: signal generator, valve regulator, and instrument calibration Size: 12*9*2cm / 4.72*3.54*0.19inch(length*width*height) Weight: 75g Interface(power interface) description: CN1 "+": represent the positive pole of the input power supply CN1 "-": represent the negative pole of the input power supply(GND) CN1 "OUT1": represent channel 1 transmit current output CN1 "OUT2": represent channel 2 transmit current output CN1 "OUT3": represent channel 3 transmit current output CN1 "OUT4": represent channel 4 transmit current output CN1 "G": represent common end GND Button description: Function button K1: the up arrow key is used to select the setting channel Function button K5: the down arrow key is used to select the setting channel Function button K2: reduce 0.01 slowly. Hold down 1S reduce 0.1 Function button K3: increase 0.01 slowly. Hold down 1S increase 0.1 Function button K6: actual value or percentage selection key Function button K8: clear key Using methods & steps: Output current OUT1 setting: press K1 or K5 Key to switch to OUT1 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3, output current value increases 0.01MA step by step. Output current OUT2 setting: press K1 or K5 Key to switch to OUT2 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3, output current value increases 0.01MA step by step. Output current OUT3 setting: press K1 or K5 Key to switch to OUT3 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3, output current value increases 0.01MA step by step. Output current OUT4 setting: press K1 or K5 Key to switch to OUT4 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3 output, current value increases 0.01MA step by step. Package included: 1 X Current signal generator module board 4 Channels 4-20mA Current Signal Generator Module Board With 12864 Digital LCD Display 4 Channels 4-20mA Current Signal Generator Module Board With 12864 Digital LCD Display 4 Channels 4-20mA Current Signal Generator Module Board With 12864 Digital LCD Display

Description: Working Voltage: 5V(DC) Static Current: Less than 2mA. Output Signal: Electric frequency signal, high level 5V, low level 0V. Sensor Angle: Not more than 15 degrees. Detection Distance: 2cm-450cm. High Precision: Up to 0.3cm Input Trigger Signal: 10us TTL impulse Echo Signal: output TTL PWL signal Mode of connection: VCC trig(T) echo(R) GND Use method: Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules. Note: the module should be inserted in the circuit before been power, which avoid producing high level of misoperation;if not, then power again. Module Working Principle: 1. Adopt IO trigger through supplying at least 10us sequence of high level signal. 2. The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal. 3. If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving. Test distance =(high level time * sound velocity (340M/S) / 2. Note: This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the normal work of the module Package Included: 5 x HC-SR04 Ultrasonic Module Distance Measuring Transducer

Description: Working Voltage: 5V(DC) Static Current: Less than 2mA. Output Signal: Electric frequency signal, high level 5V, low level 0V. Sensor Angle: Not more than 15 degrees. Detection Distance: 2cm-450cm. High Precision: Up to 0.3cm Input Trigger Signal: 10us TTL impulse Echo Signal: output TTL PWL signal Mode of connection: VCC trig(T) echo(R) GND Use method: Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules. Note: the module should be inserted in the circuit before been power, which avoid producing high level of misoperation;if not, then power again. Module Working Principle: 1. Adopt IO trigger through supplying at least 10us sequence of high level signal. 2. The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal. 3. If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving. Test distance =(high level time * sound velocity (340M/S) / 2. Note: This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the normal work of the module Package Included: 1 x HC-SR04 Ultrasonic Module Distance Measuring Transducer

Description Specifications Omron 5V solid-state relay 240V/2A Fuse with Resistance 240V/2A Size: 55x33x25mm (length x width x height) Input Power Supply: 5VDC Input Control Signal Voltage: (0-2.5V, Low Level Status, Relay ON), (3-5V, High Level Status, Relay OFF) Module interface: Input: DC+: connect power positive (power supply according to relay voltage) DC-: connect power negative CH1: signal trigger end of relay module (low level trigger) CH2: signal trigger end of relay module (low level trigger) Meaning of high level and low level: High level trigger refers to a forward voltage between the signal trigger end (CH) and the power negative pole. The trigger is usually realized by connecting power positive end to the signal trigger end. When the trigger end has positive voltage or voltage reaches the trigger point, relay is closed. Low level trigger refers to a 0V between the signal trigger end and the power negative pole, or the voltage of the trigger end is lower than that of the power positive pole, which reaches the level of trigger point, the relay is closed. The trigger is usually realized by connecting power negative end to the signal trigger end. Electrical parameters: Voltage Quiescent Current Working Current Trigger Voltage Trigger Current: Contact 1 5V 0mA 12.5mA 3.3-5V 2mA Contact 2 5V 0mA 12.5mA 3.3-5V 2mA Product instructions: Power Supply of module: Power Supply must be DC, voltage should match the relay voltage Wiring method: when signal trigger end has low level trigger, relay will be on, equipment will be working with electricity More Products View More Products

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 5 x 5V 1 channel relay module 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 3 x 5V 1 channel relay module 3Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 3Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 3Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Features: LC 5A Over-current protection Sensor module uses current transformer to collect the AC signal to achieve the relay over-current signal output within 0-5A. Relay pull while over-current, relay released while not over-current. Users can use the relay COM, NC, NO three ports to control the external circuit on and off, in order to achieve over-current protection. Functions: -Current detection resolution can change the parameter of resistance parameters; -Output over-current switching signal output; -Over-current signal setting critical point adjustable, Specifications: Operating voltage: DC12V Operating current: Operating frequency range: 20Hz ~ 400Hz Output mode: switch signal output Maximum detection wire diameter: 5.2mm Mounting hole: hole diameter is 3mm, hole distance is 52.5mm Operating environment: -40 ￢ﾄﾃ ~ +85 ￢ﾄﾃ The current detection range:AC0.3A-5A Board size: 38 * 44mm The Board Description: VCC: Operating voltage positive; GND:Operating voltage negative; NO: Normally open, the relay pulls before the NO and COM disconnect, short-circuit after the suction; COM: common, relay common interface; NC: Normally closed, the relay before the NC and COM short-circuit, pull off after. Using Instructions: By setting the potentiometer to set the overcurrent protection point, the clockwise adjustment reduces the detection current. As bellows: 1. Measured the wire through the current transformer, connect VCC and GND to DC12V power supply; 2. Adjust the potentiometer, when you hear the sound of the relay pull (can be measured with a multimeter COM and NO whether was turned on, if connected to the relay means activated), then reduce or cut off the current flowing that through the tested wire, if the relay release at this time that over-current protection point has been identified (available to multimeter COM and NC measurement whether is connected, if connected to the relay means been released); 3. When reduce or cut off the current flowing through the wire, the relay is not released, will still need to continue to adjust the potentiometer to find the over-current protection point. Package Included: 3 x 5A 12V Relay Module 3Pcs DC 12V 5A Overcurrent Protection Sensor Module AC Current Detection Relay Module Switch Output 3Pcs DC 12V 5A Overcurrent Protection Sensor Module AC Current Detection Relay Module Switch Output 3Pcs DC 12V 5A Overcurrent Protection Sensor Module AC Current Detection Relay Module Switch Output

Mini 38KHz IR Infrared Transmitter Module + IR Infrared Receiver Sensor Module For Arduino RPI STM32 More info please click here ! The Infrared Emitter is based on the infrared emission control module 940, the infrared signal emitted by the transmitter tube 940nm wavelength. The signal can be acquired infrared receiver module which is a few meters away and demodulation, encoding and decoding process can be achieved with the remote control function. Features: 1. Level control interface, power supply for 5V or 3.3V 2. High level active, and the drive current is small 3. In accordance with the direction of the tube can be launched manually adjust the actual application requirements The Infrared Receiver is based on HL-A838 integrated infrared receiver modules. IR transmitter module can receive incoming 38KHz modulated infrared signal and demodulated into logic level. When it receives the modulated infrared signal then output low level, otherwise output high level. IR remote control can be completed by using application of codec. Features: 1. Funny and easy to use 2. low-power, wide-angle and long distance reception 3. Supply voltage can be 3.3V~5.5V 4. Output matching TTL, CMOS level Package included: 1 x IR Infrared Transmitter Module 1 x IR Infrared Receiver Sensor Module

Description Overview This sensor module have great adaptive capability of the ambient light, having a pair of infrared transmitter and the receiver tube, the infrared emitting tube to emit a certain frequency, encounters an obstacle detection direction (reflecting surface), infrared reflected back to the receiver tube receiving, after a comparator circuit processing, the green LED lights up, while the signal output will output digital signal (a low-level signal), through the potentiometer knob to adjust the detection distance, the effective distance range 2 ~ 80cm working voltage of 3.3V-5V. The detection range of the sensor can be adjusted by the potentiometer, with little interference, easy to assemble, easy to use features, can be widely used robot obstacle avoidance, obstacle avoidance car assembly line count and black-and-white line tracking and many other occasions. Features When the module detects obstacles in front of the signal, the circuit board green indicator light level, while the OUT port continuous output low-level signals, the module detects a distance of 2 ~ 80cm, detection angle 35 °, the detection distance can be potential adjustment with adjustment potentiometer clockwise, the increase in detection distance; counterclockwise adjustment potentiometer, the detection distance decreased. The sensor active infrared reflection detection, target reflectivity and shape of the detection distance of the key. The black minimum detection range, white maximum; small area object distance is small, a large area from the large. The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO The comparator using LM393, stable; 3-5V DC power supply module can be used. When the power is turned on, the red power LED is lit; With the screw holes of 3mm, easy to install; Board size: 3.1x1.5cm Each module in the delivery has threshold comparator voltage adjustable via potentiometer, special circumstances, please do not adjust the potentiometer. Specifications Interface(3-wire) VCC external 3.3V-5V Voltage (can be directly connected with the a 5V microcontroller and 3.3V microcontroller) GND external GND OUT board digital output interface (0 and 1) LEDs: Power Indicator, Switch Indictor More Products View More Products

Raindrops Detection sensor modue rain module weather module Humidity For Arduino is available now from our US and UK warehouse Free shipping to US and UK in 3-6 business days ship to Canada, Brazil in 7-10 days in US warehouse ship to European countries in 7-10 days in UK warehouse Snow Raindrops Humidity Rain Weather Detect Sensor Module For Arduino Description: The item is for Arduino robot kit, raindrops, rain sensor, monitoring can be used for a variety of weather conditions, and converted into the number of the reference signal and the AO output. The sensor uses the FR-04 high-quality double-sided materials, King Size 5.0 * 4.0CM, and with the surface of the nickel plating treatment, against oxidative, conductivity, superior performance and longevity; The output in the form: digital switching outputs (0 and 1) and analog AO voltage output; TTL-level output, TTL output valid signal is low. Driving capability 100MA so, can directly drive relays, buzzer, a small fan, and so on. Sensitivity can be adjusted via potentiometer LED lights up when there is no rain output is high, raindrop up, the output ground level, LED light. Feature: Distribution bit to adjust sensitivity A fixed bolt hole for easy installation Power indicator, the output signal LED indicator The comparator output, the signal is clean, waveform, driving ability over 15mA Wide voltage LM393 comparator A large area of ?ﾋ￢ﾀﾋrain board, more conducive to detect rain Board with positioning holes to facilitate installation Raindrops and control panels are separate, easy to wire leads Specification: Small board PCB size: 3.2cm x 1.4cm Operating voltage: 3.3V-5V Voltage: 5V How to use: Connected to 5V power supply, the power indicator light, sensor board is not water droplets, DO output is high, the switch lights off, dropping on a drop of water, DO output is low, the indicator light switch, Brush off the the above water droplets, has returned to output high state.... AO analog output can be connected to the microcontroller AD port to detect the size of the drops in the above rainfall. DO TTL digital outputs can also be connected to the microcontroller detects whether there is rain. Connection mode: 1, VCC: positive power supply (3-5V) 2, GND: negative one. 3, DO: TTL switching signal output 4, AO: Analog signal output Package included: 1 x Rain sensing board 1 x Control board 5 x 20cm Dupont Line '

AD9850 DDS Signal Generator Module 0-40 Mhz IC Test Equipment Product Description This is the AD9850 DDS Signal Generator Module 0-40 Mhz IC Test Equipment sine square wave for Arduino. The module can output sine wave, square wave, two sine wave and two square-wave output. Frequency harmonics in the 20-30MHz, the waveform will be less and less clean. 70MHz low-pass filter, waveform SN than better Generate DA benchmark the pin (PIN12) leads, convenient to adjust the application to do the amplitude of the output waveform. Comparator reference input voltage generated by the variable resistor to adjust the resistance can be a different duty cycle square wave AD9850 to module using 125MHz active crystal, the AD9851 module 30MHZ the active crystal AD9850 is produced by DDS module which be most widely used in ADI Product Specs: Square Wave: 0-1MHz AD9850 to: 0-40MHz AD9851: 0-70MHz Size: Approx. 4.5x2.6x1.7cm Locally Stocked. Available for Immediate Shipping!

Features: - Sensitive material MQ-9 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2). - Detection method using low temperature cycling (1.5V heating) to detect carbon monoxide, conductivity sensors with carbon monoxide in the air increased with increasing gas concentration, spurious adsorption at high temperatures (5.0V heating) detection of combustible gases methane, propane and cryogenic cleaning gases. - Simple circuit can be used to change the conductivity, concentration of the gas is converted to the corresponding output signal. - MQ-9 high gas sensor for carbon monoxide, methane, liquefied petroleum gas sensitivity, the sensor can detect a variety of gases containing carbon monoxide and flammable, is a low-cost sensors for a variety of applications. Speciffications: 1. It adopts high quality double panel design with power indication and TTL signal output indication; 2. It has DO switch signal (TTL) output and AO analog signal output; 3. The TTL output valid signal is low. (When the output is low, the signal light is on, it can be directly connected to the MCU or relay module) 4. The voltage of the analog output, the higher the concentration, the higher the voltage. 5. It has good sensitivity to gas and natural gas detection. 6, there are four screw holes for easy positioning; 7, product dimensions: 32 (L) * 20 (W) * 22 (H) 8, has a long life and reliable stability 9, fast response recovery characteristics Electrical Performance: Dection of gas: Carbon monoxide flammable gas Dection of Concentration:10-1000ppm(CO);100-10000(Gas) ppm Input voltage: DC5V Power consumption (current): 150mA DO output: TTL digital quantities 0 and 1 (0.1 and 5V) AO output: 0.1-0.3V (relatively non-polluting), the highest concentration voltage is about 4V Using the chip: AT89S52 Crystal: 11.0592MHZ Baud rate: 9600 Compilation environment: Keil Special Reminder: After the sensor is energized, it needs to be preheated for about 20S, and the measured data is stable. The heating of the sensor is a normal phenomenon, because there is a heating wire inside, if it is hot, it is not normal. Package Included: 3 x MQ-9 Gas Sensor Module

Description: Using single chip embedded technology; Peak 4.5v to 10V level, jumper inserted at 5V. This level of signal mainly for conventional industrial control card (such as MACH3 board Card) 5V CPU interface; Easy to operate, can be fine-tuned by potentiometer; Select the PWM signal input level range through short cap; Module is small, easy to carry and use; Module operating voltage: DC12V-30V (power requirements: greater than 100mA); PWM signal reception frequency range: 1KHz-3KHz; Peak 12 to 24V level, jumper inserted in the 24V. This level of signal is mainly aimed at the conventional PLC interface; Conversion range: 0% -100% PWM to 0-10v voltage; Allowable error: 5%; Pin Definition: VCC: working power 12-30V GND: ground PWM: input PWM signal positive GND: input voltage ground VOUT: Output voltage: 0-10V GND: output ground Package included: 3 x PWM To Voltage Conversion Module 0-100% PWM To 0-10V Voltage

Features:  AD835 is a first single-chip 250 MHz four-quadrant voltage output analog multiplier, a full-scale (1 V to +1 V) rising to falling time of 2.5 ns (using 150 Ω standard RL), 0.1% up time is typically 20 ns. Its differential multiplication inputs x and y, z are the adding input high input impedance (100 kΩ || 2 pF). W low impedance output voltage can provide ± 2.5v voltage and output load driven a minimum of 25Ω. The product of a very low noise AD835 chip (50 nV / √Hz), far better than earlier products. AD835 only has outstanding speed performance, and easy to use, feature-rich. The main application areas: high-speed multiplication, division, squaring; broadband modulation and demodulation; phase detection and measurement; sine wave frequency doubling; video gain control and keying; voltage-controlled amplifiers and filters, with  shielding shell and anti-reverse protection diode. Technical indicators: 1, power supply voltage: + - 5V DC (typical current 5mA) 2, the operating frequency: DC-250MHZ; input and output impedance: 50 ohms; input signal range: + - 1VPP 3, the multiplier formula: W = (X1-X2) * (Y1-Y2) + Z Different application configurations: Since the AD835 is four-quadrant analog multiplier, the formula is: W = (X1-X2) * (Y1-Y2) + Z; X2, there are two choices: short circuit J2, J1 is disconnected when X2 = 0; short circuit J1, J2 disconnected when X2 = RP1 potentiometer tuned voltage value, in this case the signal can be subtracted by X1-X2 X2 contained in the DC signal DC component can also be added as X2 signal; Y2 has two choices: short circuit J7, disconnect J4 when Y2 = 0; short circuit J4, J7 disconnected when Y2 = RP3 potentiometer tuned voltage value, in this case can be subtracted signal Y2 Y1-Y2 contained in the DC signal DC component can also be added as a Y2 signal; Z signal input has three modes: short circuit J5, J3 J6 disconnected when, Z Z signal is input from the outside; short circuit J3, J5 J6 disconnected when, Z is RP2 unit is tuned by the voltage value; short circuit J6, disconnect J5 J3, Z signal is = 0. Default: X2=Y2=Z2=0. Application: 1, high-speed multiplication, division, squaring 2, broadband modulation and demodulation 3, phase detection and measurement 4, the sine wave frequency doubling 5, the video gain control and keying 6, programmable voltage-controlled amplifiers and filters Package included:   1 x AD835 Multiplier Module

Description: Using single chip embedded technology; Peak 4.5v to 10V level, jumper inserted at 5V. This level of signal mainly for conventional industrial control card (such as MACH3 board Card) 5V CPU interface; Easy to operate, can be fine-tuned by potentiometer; Select the PWM signal input level range through short cap; Module is small, easy to carry and use; Module operating voltage: DC12V-30V (power requirements: greater than 100mA); PWM signal reception frequency range: 1KHz-3KHz; Peak 12 to 24V level, jumper inserted in the 24V. This level of signal is mainly aimed at the conventional PLC interface; Conversion range: 0% -100% PWM to 0-10v voltage; Allowable error: 5%; Pin Definition: VCC: working power 12-30V GND: ground PWM: input PWM signal positive GND: input voltage ground VOUT: Output voltage: 0-10V GND: output ground Package included: 1 x PWM To Voltage Conversion Module 0-100% PWM To 0-10V Voltage

Features: LC 5A Over-current protection Sensor module uses current transformer to collect the AC signal to achieve the relay over-current signal output within 0-5A. Relay pull while over-current, relay released while not over-current. Users can use the relay COM, NC, NO three ports to control the external circuit on and off, in order to achieve over-current protection. Functions: -Current detection resolution can change the parameter of resistance parameters; -Output over-current switching signal output; -Over-current signal setting critical point adjustable, Specifications: Operating voltage: DC12V Operating current: Operating frequency range: 20Hz ~ 400Hz Output mode: switch signal output Maximum detection wire diameter: 5.2mm Mounting hole: hole diameter is 3mm, hole distance is 52.5mm Operating environment: -40 ??~ +85 ??/span> The current detection range:AC0.3A-5A Board size: 38 * 44mm The Board Description: VCC: Operating voltage positive; GND:Operating voltage negative; NO: Normally open, the relay pulls before the NO and COM disconnect, short-circuit after the suction; COM: common, relay common interface; NC: Normally closed, the relay before the NC and COM short-circuit, pull off after. Using Instructions: By setting the potentiometer to set the overcurrent protection point, the clockwise adjustment reduces the detection current. As bellows: 1. Measured the wire through the current transformer, connect VCC and GND to DC12V power supply; 2. Adjust the potentiometer, when you hear the sound of the relay pull (can be measured with a multimeter COM and NO whether was turned on, if connected to the relay means activated), then reduce or cut off the current flowing that through the tested wire, if the relay release at this time that over-current protection point has been identified (available to multimeter COM and NC measurement whether is connected, if connected to the relay means been released); 3. When reduce or cut off the current flowing through the wire, the relay is not released, will still need to continue to adjust the potentiometer to find the over-current protection point. Package Included: 3 x 5A 12V Relay Module

Description: 1. On-board LM393 voltage comparator chip and temperature sensing probe. 2. Support 5V/3.3V voltage input. 3. On-board the output signal indication, output effective signal is high, at the same time the indicator light up, output signal can directly connect with microcontroller IO. 4. Signal detection sensitivity can be adjusted. 5. Reserved a line voltage compare circuit. (P3 is leaded out). 6. PCB size: 30(mm) x15(mm). Package included: 1 x Thermal Sensor Module Temperature Switch Sensor Module For Smart Car

Feature:   1. Bluetooth chip CSR8635, Bluetooth version 4.0 (also supports 2.0 2.1 3.0) faster transmission, better sound quality 2. With wide voltage working DC DC 7V-30V, with anti-connection reverse design 3. The Bluetooth module output adopts NE5532 pre-operational amplification. The op amp adopts a positive gold-plated socket to facilitate the replacement of different operational amplifiers. Large amplitude of the output signal. 4. With automatic audio signal switching function, add the Bluetooth function under the state of amplifier or active speaker; The automatic switching function: the default is the aux audio signal, and when there is a bluetooth signal, it is automatically switched to the bluetooth play mode, when the bluetooth playback is paused or no bluetooth signal will automatically switch to aux signal mode 5. Bluetooth search to the name BT-AUDIO without password pairing connection 6. The board size is about 57.5 x 50 x 16.5mm (L x W x H) 7. Accessible and effective transmission distance is about 15m   Package includes:   1 x Audio Receiver Module

Description: 1. On-board LM393 voltage comparator chip and temperature sensing probe. 2. Support 5V/3.3V voltage input. 3. On-board the output signal indication, output effective signal is high, at the same time the indicator light up, output signal can directly connect with microcontroller IO. 4. Signal detection sensitivity can be adjusted. 5. Reserved a line voltage compare circuit. (P3 is leaded out). 6. PCB size: 30(mm) x15(mm). Package included: 10 x Thermal Sensor Module Temperature Switch Sensor Module For Smart Car

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA More informations: https://myosuploads3./products/20181029/20181029050819SKU122168.rar Features: The module (MicroSD Card Adapter) is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the MicroSD card read and write files. Arduino users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write Module features are as follows: Support Micro SD Card (The level conversion circuit board that can interface level is 5V or 3.3V Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation Size: 4.1 x 2.4cm Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal Micro SD card connector: It is a self-drilling card holder for easy insertion and removal of the card. Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, the module is easy to install positioning, to achieve inter-module combination Package included: 1 x Micro SD TF card module Micro TF Card Memory Shield Module SPI Micro Storage Card Adapter For Arduino Micro TF Card Memory Shield Module SPI Micro Storage Card Adapter For Arduino Micro TF Card Memory Shield Module SPI Micro Storage Card Adapter For Arduino

3Pcs Micro SD TF Card Memory Shield Module SPI Micro SD Adapter For Arduino Features: The module (MicroSD Card Adapter) is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the MicroSD card read and write files. Arduino users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write Module features are as follows: Support Micro SD Card (The level conversion circuit board that can interface level is 5V or 3.3V Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation Size: 4.1 x 2.4cm Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal Micro SD card connector: Since the bomb deck for easy card insertion and removal. Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, the module is easy to install positioning, to achieve inter-module combination Package included: 3 x Micro SD TF card module

10Pcs Micro SD TF Card Memory Shield Module SPI Micro SD Adapter For Arduino Features: The module (MicroSD Card Adapter) is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the MicroSD card read and write files. Arduino users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write Module features are as follows: Support Micro SD Card (The level conversion circuit board that can interface level is 5V or 3.3V Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation Size: 4.1 x 2.4cm Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal Micro SD card connector: Since the bomb deck for easy card insertion and removal. Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, the module is easy to install positioning, to achieve inter-module combination Package included: 10 x Micro SD TF card module

Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 3 x 5V 1 channel relay module

5Pcs NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator Features: 1. As a square wave signal generator,generates a square wave signal used for experimental development. 2. Used to drive a stepper motor for generating a square wave drive signal. 3. Generate adjustable pulse for MCU. 4. Generate adjustable pulse,to control circuitry associated. 5. Size: 31mm x 22mm 6. Main chip: NE555 7. Input Voltage: 5V-15V DC. When power supply is 5V, the output current can be 15 MA around; when 12V power supply, the output current can 35 MA around 8. Input current: >=100 MA 9. Output amplitude: 4.2V V-PP to 11.4V V-PP. (Different input voltage, the output amplitude will be different) 10. Maximum output current: >=15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%) 11. Output with LED indication(low level,LED will on; high level,LED will off;low frequency, the LED flashes) 12. The output frequency range is selectable: LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz High-frequency file: 1KHz ~ 10kHz HF file: 10kHz ~ 200kHz 13.The output duty cycle can fine-tune; duty cycle and frequency is not separately adjustable; adjusting the duty cycle will change the frequency Package included: 5 x NE555 Pulse Frequency Duty Cycle Adjustable Module

5Pcs Micro SD TF Card Memory Shield Module SPI Micro SD Adapter For Arduino Features: The module (MicroSD Card Adapter) is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the MicroSD card read and write files. Arduino users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write Module features are as follows: Support Micro SD Card (The level conversion circuit board that can interface level is 5V or 3.3V Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation Size: 4.1 x 2.4cm Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal Micro SD card connector: Since the bomb deck for easy card insertion and removal. Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, the module is easy to install positioning, to achieve inter-module combination Package included: 5 x Micro SD TF card module

Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 5 x 5V 1 channel relay module

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA LM386 Mini DC 3V To 12V Amplifier Board Signal Amplifier Module for Arduino Features: Circuit board with FR4-A quality PCB processing, and after tinning proces, quality and beautiful. With a volume control knob, easy to adjust the volume. Not particularly suitable for microphone amplification. Description: Product name: LM386 amplifier board Size: 37 x 41 mm Operating voltage: DC 3V to 12V Driver speaker: 0.5W - 10W Package included: 1 x LM386 amplifier board LM386 Mini DC 3V To 12V Amplifier Board Signal Amplifier Module for Arduino LM386 Mini DC 3V To 12V Amplifier Board Signal Amplifier Module for Arduino