You can, of course, buy I2C ADC chips and modules, but when you’ve already got a microcontroller that has ADC peripherals on board, why bother? [Pawel] wired up a tremendously simple circuit ...
As of this writing, GPIO, WiFi, SPI and I2C were ready to test out. GPIO means basically digitalWrite() and digitalRead() and there’s not much to say — they work. WiFi is very similar to the ...
I2C is a two-wire, bidirectional bus protocol that enables effective communication between one master (or multiple masters) and one or more slave devices. It is a straightforward, half-Duplex, ...
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