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.
I have got numerous 555 circuits for blinking LED's but when I build it it only blinks once or just shines the whole time not blinking what I want it to to here is a simple circuit I used, it may be my wiring that is just wrong if so can anyone please help me with it.
Your wiring appears random. Perhaps you should have a look at **broken link removed** (the second 50% duty cycle oscillator circuit may be what you're after; it's hard to tell), someone referred me to this page in the past.
i think there is some error in the circuit. Use resistance between pins 8 to 7 and 7 to 6 and a caparitor between 6 to gnd. the pin 5 should be grounded through .01 uF. make short the pins 2 and 6. Try with these modifications.
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