The ATMega168 is a great general purpose 8-bit AVR microcontroller from Atmel. It has 23 GPIO pins, but sometimes (as I have found) you can run out of I/O pins as your design grows. This happened to ...
With modern microcontrollers, the process of interfacing with the analogue world is easy. Simply enable the on-board DAC or ADC, and talk to the world. If you’ve ever done this with a slightly older ...
Analog-to-digital converters (ADCs) perform conversions by comparing the input voltage level against the reference input; therefore, the accuracy, stability and noise of the reference directly affect ...
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