Posted in laptops hacks Tagged arduino, i2c, laptop battery fix, lithium battery, lithium ion ...

The buttons and the punch card contacts are connected to the Pi via MCP23017 I2C port expanders, since the square display provides a handy I2C pass-through.

The sensed values from the temperature and humidity sensor are mapped to an 8x8 LED matrix based on the proposed frame format. A camera-based receiver captures and decodes data from the frame using ...

arduino microcontroller arduino-library mcu mq7 gas-sensor co-sensor carbon-monoxide-sensor carbon-monoxide Readme GPL-3.0 license Activity ...

Arduino-based Modbus RTU to Modbus TCP/UDP gateway with web interface. Allows you to connect Modbus RTU slaves (such as sensors, energy meters, HVAC devices) to Modbus TCP/UDP masters (such as home ...