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.
hey anyone know how to make a simple circuit with can count up to 99..
so basically if you press a button the display adds one to the numbewr being displayed..
i also have to make the circuit on bread board first.
The MC14518B is a dual BCD up counter. You can cascade the counters to count 2 digits (study the data sheet, you can figure out how to do it). Follow this with two 7447 BCD to 7-segment decoders. Post back if you have more questions.
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