5pcs v

5Pcs 5V To 3.3V DC-DC AMS1117 800MA Step-Down Power Supply Buck Module Features: Size: 8.6 x 12.33 mm Input voltage: DC 4.2 V - 10 V Output: 3.3 V, 800 mA Note: 1.Boost modules or buck module indicate the operating voltage, Please do not exceed operating voltage, or it will be damaged easily! 2.Boost module output voltage can only be greater than or equal to input voltage, cannot be less than the input voltage! 3.Buck module input voltage must be higher than output voltage of 1.5V or 2V, otherwise it can not output enough power! 4.Automatic Adjustable Boost or Buck module has start voltage and limit working voltage, Please do not exceed them, or it will be damaged easily! 5.Cannot reverse polarity, or it will be short circuit, or will be born easily! Package included: 5 x Step-down module

5Pcs AD9833 Programmable Microprocessor Serial Interface Module Features: Digitally programmable frequency and phase 12.65 mW power consumption at 3 V 0 MHz to 12.5 MHz output frequency range 28-bit resolution: 0.1 Hz at 25 MHz reference clock Sinusoidal, triangular, and square wave outputs 2.3 V to 5.5 V power supply No external components required 3-wire SPI interface Extended temperature range: ?40ﾰC to 105ﾰC Power-down option Update rate: 25(max) VOUT maximum: 0.65V VOUT minimum: 38mV VOUT temperature Coefficient: 200ﾰ Input high voltage: 1.7-2.8V Input low voltage: 0.5-0.7V Input current: 10ﾵA Input capacitance: 3pF Operating temperature range: ?40ﾰC to 105ﾰC, typical specification at 25ﾰC Size: 17*12mm / 0.66*0.47' Package includes: 5 x Signal Generator Module

5Pcs Infrared Obstacle Avoidance Sensor For Arduino Smart Car Robot Description: The sensor module light is adaptable to the environment, the working voltage of 3.3 V to 5 V. It has a pair of infrared transmitting and receiving tube, when detecting direction meet with obstacles (reflecting surface), reflected infrared receiving by the tube. After the comparator circuit processing, green indicator will light up, at the same time the signal output interface output a digital signal (a low level signal), can be adjust the detection distance through the potentiometer knob, effective distance range 2 ~ 80 cm, easy to assemble and use. So it can be widely used in robot obstacle avoidance, obstacle avoidance car, line count, and so on many occasions. Package included: 5 x Arduino obstacle avoidance sensor

5Pcs Speed Measuring Sensor Counter Motor Test Groove Coupler Module For Arduino Application: Widely used in motor speed detection, pulse count, the position limit, etc.   Feature:   Using imported groove optical coupling sensor, width 5mm. It have the output state light, if output high level, the lights are off. if output low level,it on. If it covered,it will output high level;otherwise it output low level. Good signal and waveform, with strong driving ability for more than 15mA. The working voltage of 3.3V to 5V. Output: digital switch output (0 and 1). Equipped with a fixed bolt hole, easily install. Small board PCB size: 3.2 cm x 1.4 cm. Use the LM393 wide voltage comparer.   Specification:   The DO output interface can be directly connected to a micro-controller IO port, if there is a block detection sensor, such as the speed of the motor encoder can detect. DO modules can be connected to the relay, limit switch, and other functions, it can also with the active buzzer module, compose alarm.   Wiring specification: VCC Connect the positive 3.3 5 v power supply GND Connect power negative DO TTL switch signal output AO This module does not work Package included: 5 x Speed Measuring Sensor Module

5Pcs LM35DZ TO-92 LM35 Precision Centigrade Temperature Sensor Feature: 0.5°C Ensured Accuracy (+25°C) Suitable for Remote Applications Low Cost Due to Wafer-Level Trimming Operates from 4 to 30 V Less than 60-μA Current Drain Low Self-Heating, 0.08°C in Still Air Low Impedance Output, 0.1 Ω for 1 mA Load Package included: 5 x LM35DZ Precision Temperature Sensor

Description:   74HCT4051 is a single-pole octal-throw analog switch (SP8T) suitable for use in analog or digital 8:1 multiplexer/demultiplexer applications. The switch features three digital select inputs (S0, S1 and S2), eight independent inputs/outputs (Yn), a common input/output (Z) and a digital enable input (E). When E is HIGH, the switches are turned off. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features:   Wide analog input voltage range from -5 V to +5 V Complies with JEDEC standard no. 7A Low ON resistance:   80 ohm (typical) at VCC - VEE = 4.5 V   70 ohm(typical) at VCC - VEE = 6.0 V   60 ohm(typical) at VCC - VEE = 9.0 V Logic level translation: to enable 5 V logic to communicate with±5 V analog signals Typical ‘break before make’ built-in ESD protection:   HBM JESD22-A114F exceeds 2000 V   MM JESD22-A115-A exceeds 200 V   CDM JESD22-C101E exceeds 1000 V Multiple package options Specified from -40¿¿¿ to +85¿¿¿ and -40¿¿¿ to +125¿¿¿  Package included: 5 x CJMCU-4051 74HC4051 8 Channel Analog Multiplexer Module

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Parameter: Comprehensive error: 0.05% F.S Rated output temperature drift: ≤ 0.15% F.S / 10 ￢ﾄﾃ Output Sensitivity: 1.0 ± 0.1 mV / V Zero drift: 0.05% F.S (1 minute) Zero point temperature drift: 0.2% F.S / 10 ° C Zero output: ± 0.1 mV / V Input impedance: 1000 ± 50Ω Output impedance: 1000 ± 50Ω Overload capacity: 150% F.S Recommended excitation voltage: 5-10V Operating temperature range: -10 ~ +50 ￢ﾄﾃ Application: for high-precision small-scale weighing for micro-automatic testing equipment, micro-weighing equipment, pushing and pulling equipment, pull pressure test Red: E + Black: E- White: A- Green: A + Package included: 5 x Weighing Sensor Load Cell 5 x HX711 Module 5pcs HX711 Module + 20kg Aluminum Alloy Scale Weighing Sensor Load Cell Kit For Arduino 5pcs HX711 Module + 20kg Aluminum Alloy Scale Weighing Sensor Load Cell Kit For Arduino 5pcs HX711 Module + 20kg Aluminum Alloy Scale Weighing Sensor Load Cell Kit For Arduino

Buy 5pcs DD06AJSB DC 3.3V 3.7V 5V to 6V 9V 12V Adjustable Step Up Boost Converter V for R298.40

Buy 5PCS SMIH-05VDC-SL-C SMIH-12VDC-SL-C SMIH-24VDC-SL-C 16A 8PIN Relay 05 12 24 V Rel... (VOLTAGE: 24V) for R289.00

Features: Digitally programmable frequency and phase 12.65 mW power consumption at 3 V 0 MHz to 12.5 MHz output frequency range 28-bit resolution: 0.1 Hz at 25 MHz reference clock Sinusoidal, triangular, and square wave outputs 2.3 V to 5.5 V power supply No external components required 3-wire SPI interface Extended temperature range: −40°C to +105°C Power-down option Update rate: 25(max) VOUT maximum: 0.65V VOUT minimum: 38mV VOUT temperature Coefficient: 200° Input high voltage: 1.7-2.8V Input low voltage: 0.5-0.7V Input current: 10µA Input capacitance: 3pF Operating temperature range: −40°C to +105°C, typical specification at 25°C Size: 17*12mm / 0.66*0.47" Package includes: 5 x Signal Generator Module

Description: The 33886 is a monolithic H-Bridge ideal for fractional horsepower DC-motor and bi-directional thrust solenoid control. The IC incorporates internal control logic, charge pump, gate drive, and low RDS(ON) MOSFET output circuitry. The 33886 is able to control continuous inductive DC load currents up to 5.0 A. Output loads can be pulse width modulated (PWM-ed) at frequencies up to 10 kHz. A Fault Status output reports undervoltage, short circuit, and overtemperature conditions. Two independent inputs control the two half-bridge totem-pole outputs. Two disable inputs force the H-Bridge outputs to tri-state (exhibit high impedance). The 33886 is parametrically specified over a temperature range of -40°C ≤ TA ≤ 125°C, 5.0 V ≤ V+ ≤ 28 V. The IC can also be operated up to 40 V with derating of the specifications. The IC is available in a surface mount power package with exposed pad for heatsinking. Package included: 5 x CJMCU-3386 MC33186DH1 Automotive Computer Board Idle Speed Throttle Drive Board

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Operating voltage:DC 4 ~ 30V Measure voltage: DC 0 ~ 100V Minimum resolution(V): 0.1V Measure current:50A (require external shunt) Minimum resolution(A): 0.1A Operating current: Display: three 0.28" LED digital tube Display color: Red and Blue (two-color display) Refresh rate: about 300mS / times Measure accuracy: 1% (± 1 digit) Operating temperature: -10 to 65° c Operating Humidity: 10 to 80% (non-condensing) Working pressure: 80 to 106 kPa Applications:Suitable for automotive/electric cars/motorcycles battery monitoring or other products voltage current measurement Wiring: Black line (thin): vacant or buck circuit (module) negative Red line (thin): power supply+ Black line (thick): COM, common measuring Red line (thick): PW+, measuring terminal voltage input positive Yellow line (thick): IN+, current input+ (Please refer to the wiring diagrams for more details) Notice: The voltage between the thin red and thin black lines must be within DC 4-30V The ammeter can only be connected to the negative of the device under test Exceeds 5A, long-term full load working continuously, it is recommended that the measurement side of the leads are directly soldered to the socket When the black thin line vacant, it is better to use insulating tape around the exposed part of the wire, to prevent short circuits If just be used as a voltmeter, it is recommended that the yellow line and the black line were connected together, to prevent the ammeter digital flashing It is unsuitable to use this meter to test current less than 10A. ￢ﾀﾋPackage included: 5 x Digital Voltmeter Ammeter Meter 5 x Current Shunt 5 x Cable 5pcs 0.56 Inch Blue Red Dual LED Display Mini Digital Voltmeter Ammeter DC 100V 50A Panel Amp Volt Voltage Current Meter Tester 5pcs 0.56 Inch Blue Red Dual LED Display Mini Digital Voltmeter Ammeter DC 100V 50A Panel Amp Volt Voltage Current Meter Tester 5pcs 0.56 Inch Blue Red Dual LED Display Mini Digital Voltmeter Ammeter DC 100V 50A Panel Amp Volt Voltage Current Meter Tester

Original Hiland 0-30V 2mA - 3A Adjustable DC Regulated Power Supply DIY Kit Short Circuit Current Limiting Protection English manual: Description:   This circuit voltage can be from 0 v, output current can be ma from 2 to 3 a continuously adjustable, set the output current, if the experiment circuit exceeds the current (including short circuit), the circuit protection immediately, not cause danger such as burning device, it is electronic manufacture's right-hand man. It is never afraid of the fireworks! Like making all kinds of audio circuit friend, often due to the different working voltage and circuit have a headache, this circuit can also two series into a dual power supply, can meet the needs of all sorts of use. Feature: Input voltage: 24V AC Input current: 3A maximum Output voltage: 0 to 30V continuous adjustable Output current: 2mA - 3A continuously adjustable output voltage ripple: minimum 0.01% All straight inserted element, make easy, only an adjustable components (used to adjust the voltage of 0 v) LED indicator for output over current, when the current exceeds the set data circuit protection, LED lighting, over load and short circuit protection Minimum current (2mA) under the measurable leds and zener diode Notice: Power production belongs to the high voltage large current circuit, please be sure to carefully, otherwise may cause harm to the personal safety Package included: 5 x Adjustable DC Regulated Power Supply DIY Kit

Description: The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated. Feature: Relative Humidity Accuracy ±2% (typical) Temperature Accuracy ±0.2°C (typical) Excellent Stability at High Humidity 14 Bit Measurement Resolution 100 nA Sleep Mode Current Average Supply Current: 710 nA @ 1sps, 11 bit RH Measurement 1.3 µA @ 1sps, 11 bit RH and Temperature Measurement Supply Voltage 2.7 V to 5.5 V Small 3 mm × 3 mm Device Footprint I 2 C Interface Applications: HVAC Smart Thermostats and Room Monitors White Goods Printers Handheld Meters Medical Devices Wireless Sensor (TIDA: 00374, 00484, 00524) Diagram: Package included: 5 x Temperature And Humidity Sensor Module

Specifications: · 300W 8A 7-32V to 0.8-28V DC CC CV Buck Step-Down Converter Power Supply Step Down Module Adjustable Voltage Regulator LED Driver · High-power, constant current LED driver · Battery charger · Vehicle-mounted power supply · Low voltage system power supply · Non-isolated step-down CC CV Buck module with on-board LED load indicator · Input voltage: DC 7-32 V · Output Voltage: DC 0.8-28 V (Adjustable) · Output Current: 8A (MAX), more than 60Deg please strengthen heatsink · Continuous Current Range: 0.2-8A Adjustable · Output Power: 300W (MAX) · Conversion efficiency: 95% (more input voltage, more efficiency) · Output ripple: 50mV · Working Temperature: industrial (- 40 ° c to +85 °c) (environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling) · No-load current: 20mA (input 24V,Output 12V for reference) · Voltage regulation: ± 1% · Load regulation: ± 1% · Dynamic response speed: 200uS 5% · Short circuit protection: YES · Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) · Size: 65 x 47 x 22 mm · On-board LED load indications: red = load present (eg. 'battery charging'), green = no load (eg. 'battery charged' or output disconnected) Features: 1. Fixed turn lamp current is 0.1 times the current value(Used to identify whether the battery is fully charged When charging). 2. Made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20°C to 100°C constant current 1A, temperature drift less than 1%). Particularly suitable for LED driver. 3. High output current, the max output current can reach 8A. 4. Four high frequency capacitance, can lower output ripple, enhance the work stabilization. 5. Double heat sink design. MOS schottky diode independent heat sink,which heat dissipation is good, and won't affect each other. 6. Using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever. 7. 3296 multiturn potentiometer,high accuracy voltage and current regulation, good stability. 8. Double color lamp, working condition be clear at a glance 9. Voltage and current are adjustable,wich effect is good. Applications: 1. High-power LED driver. 2. Lithium battery(or lead accumulator) charge. 3. Vehicle-mounted power supply. 4. Low voltage system power supply. 5. 6V, 12V, 14V, 24V battery charge. 6. On-board laptop power supply. 7. regulated power supply. 8.Low voltage power supply system. Module adjustment: ￢ﾀﾋ 1. When the module output voltage can not be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.￢ﾀﾋ 2. Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE. 3. When adjust the blue potentiometer,please use a multimeter to monitor the voltage 4. The trimmer nearest the voltage output adjusts the output CURRENT (CC) 5. The trimmer nearest the voltage input adjusts the output VOLTAGE (CV) Charger application - intructions: 1. First determine the float voltage and charging current required by the battery to be charged (the ‘target battery'). The target battery disconnected from the module output, apply a voltage of 7V - 32V to the module input, being sure to observe correct polarity. 2. Using the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the charging current required by target battery. 4. Using the CV trimmer, adjust the module's output voltage to the float voltage required by the target battery. 5. Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence ￢ﾀﾋ Constant current LED Driver Application - Instructions: 1. First determine the operating current and maximum operating voltage of the LED you need to drive. 2. With the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the operating current of your LED. 4. Adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage. 5. Connect LED, test. Package included: 5 x 8A 300W buck adjustable power supply module

Description: 1. On-board TDA2030A audio power amplifier chip. 2. Mono 18 w power amplifier circuit design. 3. On-board speaker terminal block 4 On-board 10k adjustable resistance, can adjust the volume of the amplification. 5. On-board power light. 6. Chip has lead to the main pin, can directly input audio signal. 7. Working voltage: 6 -12 v. 8. Board size: 31.6 (mm) x23.2 (mm). Package included: 5 x TDA2030A Audio Amplifier Module

Features: - Industry-leading noise performance through proprietary amplifier and filter design techniques - Integrated shield greatly reduces capacitive coupling from current conductor to die due to high dV/dt signals, and prevents offset drift in high-side, high voltage applications - Total output error improvement through gain and offset trim over temperature - Small package size, with easy mounting capability - Monolithic Hall IC for high reliability - Ultra-low power loss: 100 μΩ internal conductor resistance - Galvanic isolation allows use in economical, high-side current sensing in high voltage systems - 3.0 to 5.5 V, single supply operation - 50A working current, -40??~ +150 ??working temperature - 120 kHz typical bandwidth - 3 μs output rise time in response to step input current - Output voltage proportional to AC or DC currents - Factory-trimmed for accuracy - Extremely stable output offset voltage - Nearly zero magnetic hysteresis Package included: 5 x Linear Current Sensor Hall Current Module

Specification: Microcontroller Atmel ATmega328 Operating Voltage (logic level): 5V Input Voltage (recommended): 7V ~ 12V Input Voltage (limits): 6V ~ 20 V Digital I/O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 8 DC Current per I/O Pin: 40mA Flash Memory: 32KB (ATmega328) (of which 2 KB used by bootloader) SRAM: 2KB (ATmega328) EEPROM: 1KB (ATmega328) Clock Speed: 16MHz Note: Improved USB chip for speed and stability using WIN7/WIN8. This version comes with the pin headers unsoldered and not included the USB cable. Package included: 5 x No welding Arduino Compatible Nano V3.0 Board

Feature:   Onboard 2W mono amplifier (5V power supply up to 3W) can directly connected speakers (recommended with 4Ω3W speakers), 3.5mm gold-plated headphone jack can be accessed by headphones or external audio. With MicroUSB power supply interface, using mobile bank power or USB charger power supply, can also be used 3.7V lithium battery, USB 5V power supply. Support TF card (mobile phone memory card), U disk playback mode. With a speaker terminal without soldering, easy wiring.   1) Support MP3 format, power automatically play, led status turn to red. 2) Support U disk (tested with 32G), TF card (tested with 16G) playing mode, power default TF card mode, if the TF card does not exist automatically jump to U disk mode, and both devices are installed, you can manually set the playback mode, please refer to the key operation instructions.   Key operation instructions:   "Prev / V--" key: "short press" to switch "Previous" song, "long press" to switch "volume down" "Next / v ++" key: "short press" to switch "next song", "long press" to switch "volume increase" "P / P / Mode" key: "short press" to "play / pause" switch, "long press" for the U disk, TF card "mode" select "Repeat" key: "short press" for the "single / full song" cycle switch (no long press function)   Note:   1. Long press time about 2S 2. If you use U disk mode, the recommended 5V power supply, some U disk does not support 3.7V power supply.   Specifications:   Power supply range: 3.7 - 5.5V Product size: 45mm * 36mm   Package includes:   5 x MP3 Lossless Decoder Board

Specification: Operating Voltage (logic level): 5V Input Voltage (recommended): 7V ~ 12V Input Voltage (limits): 6V ~ 20 V Digital I/O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 8 DC Current per I/O Pin: 40mA Flash Memory: 32KB (ATmega328) (of which 2 KB used by bootloader) SRAM: 2KB (ATmega328) EEPROM: 1KB (ATmega328) Clock Speed: 16MHz Note: Improved USB chip for speed and stability using WIN7/WIN8. This version comes with the pin headers unsoldered and not included the USB cable. Package included: 5 x No welding Arduino Compatible Nano V3.0 Board,,

Description: The CC1101-868MHz RF module is low cost and highly integrated UHF transceiver designed for low power wireless applications. These pro certificate modules, operating in the license free 868 MHz ISM band, can be easily integrated into your application, thereby reducing development time and cost. Features: Low power UHF wireless transceivers @868MHz Support FSK, GFSK, ASK/OOK and MSK Configurable data rate 1.2K to 500kps Independent 64 bytes FIFO for TX & RX buffer Packet handling including address recognition Support Wake-On-Radio Support Clear Channel Assessment (Listen-before-Talk) RSSI Output & Link Quality Indictor SPI Interface Wide Operating Voltage 2~3.6V Applications: AMR – Automatic Meter Reading Two-way RKE – Remote Keyless Entry Low power telemetry Home and building automation Wireless alarm and security systems Industrial monitoring and control Wireless sensor networks Electrical characteristics: Recommended operating conditions: Operating ambient temperature range: -40°C - +85 °C Operating supply voltage: 2V - 3.6 V Package included: 5 x CC1101-868MHz RF Module