In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...
The library gives control over up to 16 parallel working PIR devices over I2C. The idea for this library came up in a discussion about how to fully cover an area with PIR sensors without blind spots ...
This library reads the channels of the MCP3302 and MCP3304 ADC convertors. The devices have 4 or 8 channels, 13 bit and communicates with SPI. The library supports both hardware SPI and software SPI.