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.

ラズパイを使った試作から、より安価・省電力なLTE通信構成へスムーズに移行。PPPプロトコルスタック搭載で、標準的なPythonと同等のコードでLTE通信を実現。

[Prashant Mohta] got hold of a Raspberry Pi, a 16×2 LCD display and got down to writing a simple game in Python. Pretty soon, he realized that it was cumbersome to have the Ras-Pi and LCD connected ...