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R307 sensor is fingerprint detection and verification super simple to implement with Arduino,and other microcontrollers.This is the updated latest model of the R305 FingerPrint Sensor.
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MQ-3 gas sensor detect alcohol When the sensor is present in the environment alcohol vapor,the sensor's conductivity increases with the concentration of alcohol gas in the air.
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MQ2 is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output.This module uses MQ2 Smoke & Flammable gas sensor as a gas sensing element.
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An Infrared (IR) Obstacle Avoidance Module is a compact, low-cost sensor that uses infrared light to detect nearby objects.It is a popular for DIY electronics and robotics projects
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The DHT22 is a low cost digital temperature and humidity sensor with a single wire digital interface.It can uses to measure the surrounding air.
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This is Small SIM800L GPRS GSM Module Micro SIM Card Core Board Quad-band TTL Serial Port with the antenna.SIM800L GSM/GPRS module is a miniature GSM modem.
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FT232RL chip TTL/CMOS level;RXD / TXD indicator;USB powered,5V / 3.3V.Arduino Compatible Breakout 5V 3.3V.This is a basic breakout board for the FTDI FT232RL USB to serial IC.
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It's a small USB to TTL serial tool, using the PL2303 chip. You can use it to connect some serial device to your PC via USBB port.
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OdeMCU V3 ESP8266 ESP-12E is WiFi development board that helps you to prototype your IoT product with few Lua script lines, or through Arduino IDE.
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WI-FI Wireless ESP-01 ESP8266 Transceiver Module Compatible With Arduino Projects AI Cloud Inside Wireless TXRX.
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Bluetooth Module(HC-05).It uses serial communication to communicate with devices. It communicates with microcontroller using serial port (USART). HC-05 Bluetooth Module.
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The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins.
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Arduino Uno R3 ATmega328P IC based open-source microcontroller development board.it has14 digital and analog input/output pins that interfaced to various expansion boards and circuits.
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The Arduino Nano is a small,complete and breadboard-friendly board based on the ATmega328.Operating Voltage:5V With Mini USB 8 analog inputs & 14 Digital input/output ports.
