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.

This repository contains an example project that demonstrates how to use the MQTT protocol with a Raspberry Pi. The project utilizes the mosquitto MQTT broker and the paho-mqtt Python client library ...

When the Raspberry Pi was released earlier this year, the credit-card-sized Linux machine became an instant hit. The night it became available to order, both Premier Farnell/element14 and RS ...

I2C makes connecting multiple sensors to a Raspberry Pi straightforward by sharing just two pins for communication. With proper setup, scanning, and coding, you can integrate dozens of devices on a ...

For years, Raspberry Pi — the world’s most innovative tiny computer — has turned the tech world on its head. This plug-and-play computer isn’t much larger than a credit card and fits easily in your ...