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.
what kind of counter??
The 7490 is a decade counter itslef. You may use it for counting, with no other IC. as soon as you only need a 0 to 9 counting, or 0 to 99 using two of them in cascade. Also you may configure it for counting up to 3, or 4, or whatever using its set/reset inputs...
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