SPI – Serial Peripheral Interface Demystified I was in need of an interesting signal to check out the logic analyser functionality of the BitScope micro. So, another of my current RasPiO® Beta boards was used as a convenient way to connect an mcp3008 analog to digital converter (ADC) to the Pi and the scope. I don’t claim to be an expert on SPI, but having spent the best part of a day playing with it, the mcp3008 data sheet and the BitScope Micro, I understand it a lot better now. Four pins are used… CEO […more…]