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.
My $35 server works harder than some PCs.
Lapse… so does this $25 Raspberry Pi Zero! Tiny, lightweight, and incredibly versatile. Mount it anywhere—from rooftops to ...
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