[Mark] from SpikenzieLabs was wrapping up a project using an Arduino the other day and found himself in need of a few more I/O pins. He could have added extra circuitry to the project, but he decided ...

4HP through hole version of the HAGIWO FM/additive/chord oscillator with mode switch and gain input. This module is basically my PCB version of the HAGIWO osc, heavily inspired by luis lutz version.

The purpose of the GPS Displined Oscillator is to generate a highly accurate and precise 10 MHz reference frequency for use for test equipment calibration and as a reference frequency for radio and ...