While the Raspberry Pi has very good support for an I2C bus, a lot of very cool chips – including the in system programmer for just about every ATtiny and ATmega microcontroller – use an SPI bus.

MQTT is a lightweight messaging protocol based on a publish/subscribe model that provides real-time reliable messaging to connected devices with minimal code and bandwidth, making it suitable for ...

Hi👋, welcome to this tutorial on using the Raspberry Pi 4B to detect if a person has fallen! This project series will be divided into three parts, and today you will enter the first part, which ...