• 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.

IC chips 7447 - 74190

i need help w/ this seven segment display counting from 0-99. i dont know the logic behind the inputs and outputs on the circuit... i have 7 input segments and only 4 outputs :confused: please help me x∞

Latest threads

EE World Online Articles