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[Only available until stock depleted] I don't have a schematic or pinout data But it might be the board for this? https://www.fisheriessupply.com/lopolight-voltage-transient-filter-400-026
[Only available until stock depleted] 8 Resistors, 3 Ceramic Caps, 2 Electrolytic Caps, 1 LED, 2x2N3904, 1xBC183C
No Data, but easy to trace out. Looks like it was Transformer Input, Bridge Rectifier, Smoothing Caps, Transistor Regulation, Output Fuse, with connections for panel meters.
Originally for a Panasonic Car Phone - http://www.shema.ru/cd/mob/3/data/panasonic%20eb-hfd30.pdf But cut off the connector, and you have a 4 core PSU cable with 2 fuse holders.
[Only available until stock depleted] Some are standard transformers, some are just large inductors. The transformer can be unscrewed if you want to wind your own...
[Only available until stock depleted] 2xPiezo Microphone, Various SMT passives, LMV324 Quad SMT Op Amp, SMTMicrocontroller pic33fj16mc101-i/so Some have aRJ type socket on the PCB, others don't have this fitted. I don't have a schematic or pinout data
[Only available until stock depleted] Russian audio amplifier board, looks unused. Audio Amplifier IC with Heatsink K174YH7 - Datasheet here:- http://www.datasheetarchive.com/K174YH7-datasheet.html 4xPCB mount Potentiometers with 4mm shafts. 2 x 4K7, 2 x 10K Various Capacitors and Resistors, Cables and connectors. I don't have pinout information for this...
[Only available until stock depleted] Russian audio amplifier board, looks unused. Audio Amplifier IC with Heatsink K174YH7 - Datasheet here:- http://www.datasheetarchive.com/K174YH7-datasheet.html 2 x Potentiometers with 6mm shafts and knobs. 2 x 47K 2 x 5 Pin Din connectors Various Capacitors and Resistors, Cables and connectors. I don't have...
[Only available until stock depleted] Motor Speed Controller board, removed from a working Reflow Oven, used.