- Schumann Two Face — PCB was available from DeadEndFX which is on hiatus for the moment due to medical-related stuff, TBoMK.
- Selmer Buzz Tone
If you have an Oscilloscope, there's the:
- Silver Bullet – Oscilloscope Infrared Receiver (IR) — available on Tindie, IIRC, and it mentioned a 102A but I could be mistaken.