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is a board that manage battey for hermes
circuit for shower control with coin acceptor
simple adapter board to convert plcc to qtfp
this is the front end of valve praeamp. thi board is a 5 channel selector for stereo inputs.
4 zone input output gsm/gps/bluetooth alarm and telecontrol.with gyroscope and accelerometer buil in.10 amps rele output For siren .2 ch rolling code remote control. The pcb is:very good as we aspec...
gsm-gps alarm with 4 input alarm zone and 4 out open collector programmable and remote function siren out, and input zone are programmable with sms as normaly closed or open, 24h, fire, intrusion,...
seven band tube audio equalizzer with n. 5 12ax7 tube valve, 80,160,320,640,1280,2560,5120,hz and trble boost and bass boost regolation, the board have volume output adjust and by'pass rele.
control unit for ink jet printer online
pc isa bus 24 bit rotay encoder board.
Board for tube preamp with n. 3 ecc83 with dedicated tube for riaa phono input.with tone regolation and flat function. The pcb is very good as aspected
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