In terms of specifications, the classic Nano board ... Despite the differences in size and microcontroller, the Arduino Nano and Micro share some similar pinout configurations.

For those worrying that [Faransky] is relying on the PWM functionality of the Arduino Nano to generate waveforms, have no fear. At the heart of the device is a AD9833 waveform generator ...

The SATURN NITRO is PIC32MK development board that closely follows the Arduino Nano form factor, but with much beefier specs ...