A simple amplifier based on the LM386. Designed to avoid common pitfalls with this audio chip, it offers the builder the option of two gain levels, x20 or x200 depending on the desired end application. Supplied as a kit only.

The original Forrest Mimms III APC, with a few mods by Electro-Resales to improve usability. Includes a Light dependent resistor for pseudo Theremin effects. Sold as a kit only

Audio & Music

This retro audio visualizer employs an old school EM84 tube as the visual element of an audio VU style meter.

The fluorescent bands move in time to received audio and the length of the band is proportional to the audio volume.​