The project uses an Analog Devices AD9851 DDS chip ... [Brett] uses a Python program to process the data from the Arduino. For example, here’s a plot of a 10 MHz crystal from the software ...

The analog meters are simply driven by the PWM outputs of the Arduino. It’s not a hugely ... microcontroller programming, and even the concepts behind pulse width modulation.

The Pi, unfortunately, doesn't come with an onboard Analog-to-Digital ... can even get started with programming your hardware ...

Six of these analog pins can also be ... If you're more interested in programming with C/C++, there's an 88-page guide you can refer to. The Arduino Nano and Raspberry Pi Pico support different ...