Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
there was a circuit diagram there on monday morning..... then the board was updated and it went away.... it's a cmos or TTL frequency counter, and i don't think the OP realized there was a ganged rotary function switch, and was just looking at the first layer of the switch that had the frequency and period contacts tied together.
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