Reply To: Availability of PCB control board and Opto Sensor boards. Forum › Buy & Sell › Buy zone › Availability of PCB control board and Opto Sensor boards. August 10, 2017 at 12:21 am #1103 Trent Shumay I am just ordering up a batch of controller PCB’s. If you still need one, let me know and I can sell you one out of my batch if you need. T