Archive for 30 May 2010

One led voltmeter (Part 3)

Part 1, 2, 3, 4 Playing a little bit with regsiters Let’s proceed step by step to the details of the A/D converter. Firstly, we will pay attention to the ADMUX register. The four least significant bits: MUX0, MUX1, MUX2 and MUX3 are used for setting the mux channel, which is strictly equivalent to passing […]