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.

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 ...

There was a time when a ham radio set up sported many dials and switches and probably quite a few boxes as well. Computers have changed all that. Some transceivers now have just a few buttons or are ...

If you are looking to learn more about the awesome Raspberry Pi mini PC or thinking about teaching coding, electronics or how to use the awesome Raspberry Pi hardware to others. You might be ...

Raspberry Pi (Raspbian GNU/Linux 12 bookworm) で、外部ライブラリ（discord.pyなど）を使用したPythonスクリプトをsystemdでサービスとして起動しようとしたところ、起動に失敗して困っていました。 今回は、この問題の原因と解決方法について、自分がハマったポイントも ...

You don’t need an electrical engineering degree to build a robot army. With the $35 Raspberry Pi B+, you can create robots and connected devices on the cheap, with little more than an Internet ...

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 ...