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This makes the ESP8266 very versatile
Input Voltage:
maybe replaced by the larger capacitor (C2) or potentiometer
I2C: Grove I2C port
Using a simple circuit to convert the change in conductivity of the gas concentration corresponding to the output signal
Blend V1.0 - Arduino and BLE(Bluetooth Low Energy) Integrated Development Board touchscreen This makes the ESP8266 veryThe blend is an integrated development board, we have "blend" ed Arduino with Bluetooth 4. 0 Low Energy (aka BLE or Bluetooth Smart) into a single board. It is targeted for makers to develop low power Internet Of Things (IoT) projects quickly and easily. The blend is 100% compatible with sketches and Shields that work with Arduino Leonardo. The micro controller unit (MCU) is Atmel ATmega32U4 and the BLE chip is Nordic nRF8001. Blend runs as BLE
