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Hello Pinball Folks! Here is Sascha.... the #Pin2DMD Shield Hardware Designer. One Guy in the Forum aksed me for a really nice PCB. A "Back surge Diode Shield" or "Flyback Diode Shield"... a really usefull little helper. It is so simple, it protects your Powersupply from Overvoltage when you switch OFF your Solenoid! Tech Specs: 8 Channels for Common Ground! each Channel can run on a Different Voltage all components are THT (Through-hole technololgy) for aesy self repair every Channel has his own Control - LED (Channel ON or OFF) LEDs can be switched OFF easy to Install Here some WIKI links: Flyback Diode - english: https://en.wikipedia.org/wiki/Flyback_diode Schutzdiode / Freilaufdiode - german: https://de.wikipedia.org/wiki/Schutzdiode THT Info: https://en.wikipedia.org/wiki/Through-hole_technology Well... enough Text... somePictures for you: 2 from the Channels are Active in this Picture: TOP View from the nacked PCB: REAR View - simple but usefull! 1st 3 PCBs of the 1st Order (inside the USA!) And now the Pricing... Oh no, not to expensive! Check the Partlist and you see, it is not to expensive! Partlist / BOM: FLYBACK PCB - Partlist.pdf I am not a professional Salesman... this is still a Hobby! Set: Complete PCB 4.00 USD = 1x PCB 5.50 USD = 1x ALL Parts (check the Partlist and compare when you think it is to expensive) 2.50 USD = 1x Soldered 2.00 USD = 1x 4 PCB Stand-Offs for easy mounting (incl. 4x M3 Screw, 4x Wood Screw) Total: 14.00 USD + Shipping with USPS (rates on request, starts with 4.00 USD) Or Order what ever you want from the Single Parts and create your very own Set! 4.00 USD = 1x PCB 5.50 USD = 1x ALL Parts 2.00 USD = 1x 4 PCB Stand-Offs for easy mounting (incl. 4x M3 Screw, 4x Wood Screw) Payment is ONLY with PayPal! PM me for Details. And when anybody needs any Kind of PCB, just contact me. We can Design one and I made the Rest for you! Cheers Sascha