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.
You should remove your email address from your post. The spambots will find it and pound you relentlessly. Can you post a schematic? How can we respond when we have no earthly clue what you are talking about.
74LS90 is a counter
74LS145 is a binary to decimal decoder with open collector outputs
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