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 ...

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.

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 ...

More often than not, an IoT master device uses the SPI (serial peripheral interface) and I 2 C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...

Since the pandemic continues to spread around the world, it seems likely we'll be spending the winter staying safer at home. And with cooler temperatures keeping us indoors and making outdoor ...