Module microcontroller

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Description L9110 Motor Drive Module | L9110 / Motor Drive Module L9110 Motor Drive Module Specifications L9110S -Chip Motor Driver Module Supply Voltage: 2.5-12V Suitable Motor Range: Motor Operating Voltage 2.5v-12V and the Maximum Operating Current of 0.8A, smart car Currently Available Voltage and current are within this range can drive two DC motors, or a 4-wire two -phase stepping motor. PCB Board Size: 2.8cm x 2.1cm ultra-small size, suitable for assembly provided with fixing holes, diameter: 3mm Module Interface Description 6P Black Bent Pin Description 1 VCC external 2.5V-12V voltage External GND 2 GND 3 IA1 external microcontroller IO port 4 IB1 external microcontroller IO port 5 IA2 external microcontroller IO port 6 IB2 external microcontroller IO port Green Terminal Description [4P] 1 OA1 OB1 pick DC motor 2 pin, no direction 2 OA2 OB2 pick DC motor 2 pin, no direction Module for use ON VCC, GND module power indicator light IA1 input high, IA1 input low, [OA1 OB1] motor is transferred; IA1 input low, IA1 input high, [OA1 OB1] motor reversal; More Information View More Information More Products View More Products

SIM800C GSM GPRS Module STM32 Microcontroller 51 With Bluetooth High TTS Features: 1. SIM800C module 4 frequency module, available worldwide 2. This small size SIM800C can be easily embedded in your system 3. Serial TTL serial level compatible with a variety 4. The antenna comes with a high-performance springs 5. The lithium battery-powered interface, can be directly connected to 4V lithium battery 6. mainstream flip MICRO SIM card holder 7. reserved voice, Mike Pin Interface 8. Size: 24mm x 25mm Package included: 1 x SIM800C GSM GPRS Module STM32 Microcontroller 51

Overview: ADS1256 8 road 24-bit ADC module mounted TI ADS1256IDB, minimum Power consumption, high precision ADC chips and 2.5V datum voltage source, using SPI interface communication protocol, data output rates up to 30ksps, support single-ended input and differential input. Feature: On-board high precision TI ADS1256IDB ADC chips On-board ADR03 2.5V datum voltage source chips Data output rates up to 30ksps, nonlinearity is low to ±0.0010% The module can be configured as either 8 single-ended inputs or 4 differential inputs ADS1256 module is suitable for measuring analog voltage within 3V Module operating voltage is 5V The board size is 35*60mm Interface description: 5V, GND: 5V power input SCLK, DIN, DOUT, CS: SPI communication Interface DRDY: ADS1256data be ready output (Active low level) PDWN: ADS1256 Sync / Turn off the power input (Active low level) AIN0-AIN7: Analog voltage input, it can be configured as either 8 single-ended inputs or 4 differential inputs, (The measured voltage should be shared with the module) Precautions: Because the voltage of ADS1256 is 5V, and The measured voltage should be 2V below the supply voltage, so The module is only suitable for measuring analog voltages within 3V. Testing Methods: Module provides STC15W and STM32 microcontroller 8-channel serial display reference program and STC89C52 single-chip 4-channel 1602LCD display reference program, the STC89C52 Microcontroller + 1602 LCD LCD test method is as follows: 5V, GND connect to DC 5V power supply, SCLK, DIN, DOUT, DRDY, CS connect to Microcontroller P1.2, P1.3, P1.4, P1.5, P1.6 respectively, AIN0, AIN1, AIN2, AIN3 connect to 2.5V, 2.5V, 2.5V,2.5V respectively (The measured voltage should be in common with the ADS1256), then 1602 LCD will shows these four sets of voltage values, in which, the 1st,2nd,4th sets are single-ended input voltage value of AIN0, AIN1, AIN3, and the 3rd set is the difference of AIN2-AIN3, the voltage values of these four sets are 2.5V, 2.5V, 0V, 2.5V. Package included: 1 x ADS1256 24 Bit 8 Channel ADC AD 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

5Pcs A87 4 Channel Optocoupler Isolation Module High And Low Level Expansion Board For Arduino Description:1. Function: Use the low level to control the high level. Such as the use of single-chip 3V or 5V voltage control 9V or 12v voltage.2. HVCC should not exceed 24V. Output OUT1 / OUT2 / OUT3 / OUT4 output current equal to HVCC / 5.1K, absorption current 500ma.3. This module uses TLP281 chip (for Toshiba).4. Schematic:Input and output instructions: Input: IN1 / IN2 / IN3 / IN4, then the microcontroller or Arduino IO port, GND and the Arduino development board connected to the GND.IN1 / IN2 / IN3 / IN4 controls OUT1 / OUT2 / OUT3 / OUT4, respectively.Output: OUT1 / OUT2 / OUT3 / OUT4Output: HVCC: Connect the controlled high voltage positive, HGND connected to the controlled high voltage negativeUse: When IN1 is high, the corresponding OUT1 voltage is equal to HVCC, when IN1 is low, the OUT1 voltage is equal to HGNDUse examples The following example shows how to use the microcontroller's IO port to control the 24V motor rotation. Figure motor operating voltage of 24V,red ' ' that the motor power positive, black '-' that the motor power supply negative. When the microcontroller IO_0 output high, the motor rotate,when the IO_0 port output low, the motor stops rotating.Package included:5 x A87 4 Channel Optocoupler Isolation Module

Description: 1. Function: Use the low level to control the high level. Such as the use of single-chip 3V or 5V voltage control 9V or 12v voltage. 2. HVCC should not exceed 24V. Output OUT1 / OUT2 / OUT3 / OUT4 output current equal to HVCC / 5.1K, absorption current 500ma. 3. This module uses TLP281 chip (for  Toshiba). 4. Schematic: Input and output instructions:   Input: IN1 / IN2 / IN3 / IN4, then the microcontroller or Arduino IO port, GND and the Arduino development board connected to the GND. IN1 / IN2 / IN3 / IN4 controls OUT1 / OUT2 / OUT3 / OUT4, respectively. Output: OUT1 / OUT2 / OUT3 / OUT4 Output: HVCC: Connect the controlled high voltage positive, HGND connected to the controlled high voltage negative Use: When IN1 is high, the corresponding OUT1 voltage is equal to HVCC, when IN1 is low, the OUT1 voltage is equal to HGND Use examples   The following example shows how to use the microcontroller's IO port to control the 24V motor rotation. Figure motor operating voltage of 24V, red "+" that the motor power positive, black "-" that the motor power supply negative. When the microcontroller IO_0 output high, the motor rotate, when the IO_0 port output low, the motor stops rotating. Package included: 1 x A87 4 Channel Optocoupler Isolation Module

Soil Hygrometer Detection Module Soil Moisture Sensor For arduino Smart car 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 Description: Soil Hygrometer Humidity Detection Module Moisture Sensor For Arduino This is a summary of the soil moisture sensor can be used to detect moisture, when the soil is dry, the module outputs a high level, whereas output low. Using this sensor make an automatic watering system, so that your garden plants without people to manage. Operating voltage: 3.3V~5V. Adjustable sensitivity (shown in blue digital potentiometer adjustment) Dual output mode,analog output more accurate. A fixed bolt hole for easy installation. With power indicator (red) and digital switching output indicator (green). Having LM393 comparator chip, stable. Panel PCB Dimension: 3cm x 1.5cm. Soil Probe Dimension: 6cm x 2cm. Cable Length: 21cm. VCC: 3.3V-5V. GND: GND. DO: digital output interface(0 and 1). AO: analog output interface. Instructions for Use: 1. Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil. 2. Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low. 3. The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture. 4. The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment. 5. Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture. Package Included: 1 x Soil moisture detector module 1 x Probe 1 x 2P Jumper Cable

Description: STX882 ASK Wireless Remote Control Transmitter Module: STX882 is a ASK transmitter module with small size, ultra high power, low harmonics. With high stability, it can be achieved at 50mW power when the voltage is 3.6V, it is the maximum transmitter power module under the the same voltage in the market. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. SRX882 ASK ASK Wireless Remote Control Superheterodyne Receiver Module: SRX882 is a superheterodyne receiver with micro power and strong driving force, is supplementary STX882 / STX888 module. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. Module Function Demonstration DEMO Board: Package included: 3 x 433MHz 100m transceiver module kit (3pcs ASK transmitter STX882 + 3pcs ASK receiver SRX882 + 6pcs copper spring antenna)

Description: STX882 ASK Wireless Remote Control Transmitter Module: STX882 is a ASK transmitter module with small size, ultra high power, low harmonics. With high stability, it can be achieved at 50mW power when the voltage is 3.6V, it is the maximum transmitter power module under the the same voltage in the market. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. SRX882 ASK ASK Wireless Remote Control Superheterodyne Receiver Module: SRX882 is a superheterodyne receiver with micro power and strong driving force, is supplementary STX882 / STX888 module. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. Module Function Demonstration DEMO Board: Package included: 5 x 433MHz 100m transceiver module kit (5pcs ASK transmitter STX882 + 5pcs ASK receiver SRX882 + 10pcs copper spring antenna)

5Pcs Soil Hygrometer Humidity Detection Moisture Sensor For Arduino Description: This is a summary of the soil moisture sensor can be used to detect moisture, when the soil is dry, the module outputs a high level, whereas output low. Using this sensor make an automatic watering system, so that your garden plants without people to manage. Operating voltage: 3.3V~5V. Adjustable sensitivity (shown in blue digital potentiometer adjustment) Dual output mode,analog output more accurate. A fixed bolt hole for easy installation. With power indicator (red) and digital switching output indicator (green). Having LM393 comparator chip, stable. Panel PCB Dimension: 3cm x 1.5cm. Soil Probe Dimension: 6cm x 2cm. Cable Length: 21cm. VCC: 3.3V-5V. GND: GND. DO: digital output interface(0 and 1). AO: analog output interface. Instructions for Use: 1. Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil. 2. Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low. 3. The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture. 4. The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment. 5. Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture. Package Included: 5 x Soil moisture detector module 5 x Probe 5 x 2P Jumper Cable

20Pcs Soil Hygrometer Humidity Detection Moisture Sensor For Arduino Description: This is a summary of the soil moisture sensor can be used to detect moisture, when the soil is dry, the module outputs a high level, whereas output low. Using this sensor make an automatic watering system, so that your garden plants without people to manage. Operating voltage: 3.3V~5V. Adjustable sensitivity (shown in blue digital potentiometer adjustment) Dual output mode,analog output more accurate. A fixed bolt hole for easy installation. With power indicator (red) and digital switching output indicator (green). Having LM393 comparator chip, stable. Panel PCB Dimension: 3cm x 1.5cm. Soil Probe Dimension: 6cm x 2cm. Cable Length: 21cm. VCC: 3.3V-5V. GND: GND. DO: digital output interface(0 and 1). AO: analog output interface. Instructions for Use: 1. Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil. 2. Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low. 3. The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture. 4. The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment. 5. Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture. Package Included: 20 x Soil moisture detector module 20 x Probe 20 x 2P Jumper Cable

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

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

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: 20 x Micro SD TF card module

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: 20 x Micro SD TF card module

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Features: This board/chip uses I2C 7-bit address between 0x60-0x80, selectable with jumpers Terminal block for power input (or you can use the 0.1" breakouts on the side) Reverse polarity protection on the terminal block input Green power-good LED 3 pin connectors in groups of 4 so you can plug in 16 servos at once (Servo plugs are slightly wider than 0.1" so you can only stack 4 next to each other on 0.1" header "Chain-able" design A spot to place a big capacitor on the V+ line (in case you need it) 220 ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial Solder jumpers for the 6 address select pins i2c-controlled PWM driver with a built in clock. Unlike the TLC5940 family, you do not need to continuously send it signal tying up your microcontroller, its completely free running! It is 5V compliant, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4+ forward voltages) 6 address select pins so you can wire up to 62 of these on a single i2c bus, a total of 992 outputs - that's a lot of servos or LEDs Adjustable frequency PWM up to about 1.6 KHz 12-bit resolution for each output - for servos, that means about 4us resolution at 60Hz update rate Configurable push-pull or open-drain output Output enable pin to quickly disable all the outputs Package included: 1 x PCA9685 16-Channel 12-bit PWM Servo Motor Driver I2C Module For Arduino Robot PCA9685 16-Channel 12-bit PWM Servo Motor Driver I2C Module For Arduino Robot PCA9685 16-Channel 12-bit PWM Servo Motor Driver I2C Module For Arduino Robot PCA9685 16-Channel 12-bit PWM Servo Motor Driver I2C Module For Arduino Robot

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Features: Microcontroller: ATmega32u4 Clock Speed: 16MHz Operating Voltage: 5V DC Digital I/O Pins: 10 PWM Channels: 4 Analog Input Channels: 5 UART: 1 I2C: 1 Micro USB: 1 Flash Memory: 32KB of which 4KB used by bootloader SRAM: 2.5KB EEPROM: 1KB Package included: 1 x USB ATMEGA32U4 Development Module LILYGO USB Microcontroller ATMEGA32U4 Development Board Virtual Keyboard 5V DC 16MHz 5 Channel For Arduino LILYGO USB Microcontroller ATMEGA32U4 Development Board Virtual Keyboard 5V DC 16MHz 5 Channel For Arduino LILYGO USB Microcontroller ATMEGA32U4 Development Board Virtual Keyboard 5V DC 16MHz 5 Channel For Arduino

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 '

Power Pins: GND - this is the common ground for all power and logic BAT - this is the positive voltage to/from the JST jack for the optional Lipoly battery USB - this is the positive voltage to/from the micro USB jack if connected EN - this is the 3.3V regulator's enable pin. It's pulled up, so connect to ground to disable the 3.3V regulator 3V - this is the output from the 3.3V regulator. The regulator can supply 500mA peak but half of that is drawn by the ESP32, and it's a fairly power-hungry chip. So if you need a ton of power for stuff like LEDs, motors, etc. Use the USB or BAT pins, and an additional regulator Logic pins: This is the general purpose I/O pin set for the microcontroller. All logic is 3.3V The ESP32 runs on 3.3V power and logic, and unless otherwise specified, GPIO pins are not 5V safe! Serial pins: RX and TX are the additional Serial1 pins, and are not connected to the USB/Serial converter. That means you can use them to connect to UART-devices like GPS's, fingerprint sensors, etc. The TX pin is the output from the module. The RX pin is the input into the module. Both are 3.3V logic I2C & SPI pins: You can use the ESP32 to control I2C and SPI devices, sensors, outputs, etc. If using with Arduino, the standard Wire and SPI devices work as you'd expect! Note that the I2C pins do not have pullup resistors already! You must add them if you want to communicate with an I2C device GPIO & Analog Pins: There are tons of GPIO and analog inputs available to you for connecting LEDs, buttons, switches, sensors, etc. Here's the remaining pins available. Bottom row: A0 - this is an analog input A0 and also an analog output DAC2. It can also be used as a GPIO #26 A1 - this is an analog input A1 and also an analog output DAC1. It can also be used as a GPIO #25 A2 - this is an analog input A2 and also GPI #34. Note it is not an output-capable pin! A3 - this is an analog input A3 and also GPI #39. Note it is not an output-capable pin! A4 - this is an analog input A4 and also GPIO #36 A5 - this is an analog input A5 and also GPIO #4 21 - General purpose IO pin #21 Top row: 13 - This is GPIO #13 and also an analog input A12. It's also connected to the red LED next to the USB portIt's also connected to the red LED next to the USB port 12 - This is GPIO #12 and also an analog input A11. This pin has a pull-down resistor built into it, we recommend using it as an output only, or making sure that the pull-down is not affected during boot. 27 - This is GPIO #27 and also an analog input A10 33 - This is GPIO #33 and also an analog input A9. It can also be used to connect a 32 KHz crystal. 15 - This is GPIO #15 and also an analog input A8 32 - This is GPIO #32 and also an analog input A7. It can also be used to connect a 32 KHz crystal. 14 - This is GPIO #15 and also an analog input A6 http://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers Here are: https://espressif.com/en/products/hardware/esp32/overview 240 MHz dual core Tensilica LX6 microcontroller with 600 DMIPS Integrated 520 KB SRAM Integrated 802.11b/g/n HT40 Wi-Fi transceiver, baseband, stack and LWIP Integrated dual mode Bluetooth (classic and BLE) 4 MByte flash On-board PCB antenna Ultra-low noise analog amplifier Hall sensor 10x capacitive touch interface 32 kHz crystal oscillator 3 x UARTs (only two are configured by default in the Feather Arduino IDE support, one UART is used for bootloading/debug) 2 x I2C (only one is configured by default in the Feather Arduino IDE support) 12 x ADC input channels 2 x I2S Audio 2 x DAC PWM/timer input/output available on every GPIO pin OpenOCD debug interface with 32 kB TRAX buffer SDIO master/slave 50 MHz SD-card interface support Package included: 1 x Wemos® TTGO ESP32 Dev Module WiFi + Bluetooth 4MB Flash

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  ATMEL ATmega328P-PU 8 Bit Microcontroller IC 28 Pin DIP    Product Details   ATmega328P 8-Bit megaAVR picoPower Microcontrollers The Atmel ATmega328P Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. Featured is picoPower technology that offers ultra-low power consumption and low-power sleep modes, ideal for battery powered applications. Microcontroller Features •20 MHz Max. Operating Frequency •Up to 20 MIPS at 20 MHz •32 KB Flash •1024 B EEPROM •2 KB SRAM •131 Instructions – Most single clock cycle execution •32 General Purpose Registers •23 GPIO •Power-on Reset and Programmable Brown-out Detection •Internal Calibrated Oscillator •External and Internal Interrupt Sources •Six Power-Saving Sleep Modes •Internal and External Interrupts •Fully Static Operation Peripheral Features •10-bit 15 ksps Analogue-to-Digital Converter (ADC) – 8 or 6 channels •Capacitive Touch Sense – 16 channels •Temperature Sensor •Two 8-bit Timers •One 16-bit Timer •Output Compare Module – 6 channels •Six PWM Channels •Programmable Serial USART •Master/Slave SPI Serial Interface •Byte-oriented 2-wire Serial Interface – I2C compatible •Programmable Watchdog Timer with Separate Oscillator •Analogue Comparator •Interrupt and Wake-up on Pin Change      

3Pcs CJMCU-MCP4725 I2C DAC Breakout Development Board Module Description: You’ve always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The CJMCU-MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects! This version of the CJMCU-MCP4725 Breakout fixes a few issues with the board including the IC footprint, the I2C pinout, changes the overall board dimensions to better fit your projects, and a few more minor tweaks. This board breaks out each pin you will need to access and use the MCP4725 including GND and Signal OUT pins for connecting to an oscilloscope or any other device you need to hook up to the board. Also on board are SCL, SDA, VCC, and another GND for your basic I2C pinout. Additionally, if you are looking to have more than one MCP4725 on a bus, the pull-up resistors on this board can be disabled just check the Hookup Guide in the Documents section below for instructions and tips on doing this. Feature: 12-bit resolution I2C Interface (Standard, Fast, and High-Speed supported) Small package 2.7V to 5.5V supply Internal EEPROM to store settings Package included: 3 x CJMCU-MCP4725 I2C DAC Breakout Development Board Module

5Pcs CJMCU-MCP4725 I2C DAC Breakout Development Board Module   Description:    Youve always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The CJMCU-MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects!   This version of the CJMCU-MCP4725 Breakout fixes a few issues with the board including the IC footprint, the I2C pinout, changes the overall board dimensions to better fit your projects, and a few more minor tweaks. This board breaks out each pin you will need to access and use the MCP4725 including GND and Signal OUT pins for connecting to an oscilloscope or any other device you need to hook up to the board. Also on board are SCL, SDA, VCC, and another GND for your basic I2C pinout. Additionally, if you are looking to have more than one MCP4725 on a bus, the pull-up resistors on this board can be disabled just check the Hookup Guide in the Documents section below for instructions and tips on doing this.   Feature:   12-bit resolution I2C Interface (Standard, Fast, and High-Speed supported) Small package 2.7V to 5.5V supply Internal EEPROM to store settings   Package included:   5 x CJMCU-MCP4725 I2C DAC Breakout Development Board Module