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.
Connecting the n/o switch from the +V rail to the input pins of the 1st 4093, [pins 1 & 2]
would be equivalent to having the beam 'unbroken', the relay would energise.
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