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.

There’s a new and very detailed video tutorial about the Raspberry Pi available from the Australian firm Core Electronics. There are 30 videos and 5 chapters in total. A few of the introduction videos ...

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 ...

The Raspberry Pi Pico is a change from the previous Pis that people are used to. This is because it is not a Linux computer, but it is a microcontroller board just like Arduino. The biggest selling ...

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 ...

A Raspberry Pi (preferably 4 or latest varient for better performance). with Raspberry Pi OS (64-bit) installed. Raspberry Pi 4 or 5 is highly recommended for better performance. While older models ...

Sequent Microsystems has created a new Raspberry Pi learning kit complete with a Node-RED tutorial providing an easy way to learn about automation control interfaces using Node-RED from simple ...