Raspberry Pi’s microcontroller, the RP2040, has some unusual features. And one of these is the i-o state machine, of which there are eight. spread over two ‘PIO blocks’ – (one shown right). According ...
I was lucky enough to get one minuscule microcontroller board, the RP2040-Zero from Waveshare. This is a low-cost, high-performance, RPi Pico-like microcontroller board based on the Raspberry Pi ...
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