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.

That is exactly what this Raspberry Pi object detection project demonstrates. You can build a fully working object detection ...

Even when we clean, because of laziness or lack of time, we often throw all waste into the same bin without separating ...