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I have built a prototype an tested it in its present form but I would like to try and decrease the size. The unit in its present form has a PCB with 8 12vdc screw terminal relays, 1 120vac to 12 vdc power supply, 1 three way micro pneumatic solenoid valve, 1 two way micro solenoid valve, 1 micro pressure regulator 0-30psi +/- 1psi, 1 pressure gauge 0-30psi, 1 micro pressure regulator 0-100psi +/- 5psi, one pressure gauge 0-100psi, 1 three position switch, two led indicator lights to one red one blue, one bulkhead 1/4npt female fitting, three 5/16 quick connect pneumatic bulkhead fittings, all pneumatic components are connected with 5/16 quick connect tube and fittings, 1 120vdc female bulkhead receptacle PC type, 1 120v power cord PC type, 1 6 pin din female bulkhead connector, 1 strain relief 6' male 6 pin din cable. I would like to incorporate a power switch to turn the unit on and off. I would like to incorporate a PCB to eliminate the need for wires to connect the relays. Also I...
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