|Universal Temperature Alarm Prototype PCB [03105161 RevA]|
Prototype PCB for the Universal -33°C to 125°C Temperature Alarm.
The only difference between this and the final version is that the 3.5mm socket "ring" connector is wired to ground, meaning you must use a stereo plug with the ring left disconnected. It has been discounted as a result.
Double-sided PCB with plated through holes, solder mask and silkscreen overlay.
79 x 47mm.