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Hello,
How would you modify the below circuit to cause the LED to flash (based on the top left diagram) ? Thanks in advance...
Hello,
How would you modify the below circuit to cause the LED to flash (based on the top left diagram) ? Thanks in advance...
Well I am surprised that Eric, being an old hand at electronics, did not suggest this:Hello,
How would you modify the below circuit to cause the LED to flash (based on the top left diagram) ? Thanks in advance...
Well I am surprised that Eric, being an old hand at electronics, did not suggest this:
Digi-Key - HT40-ND (Littelfuse / Teccor(R) Brand Thyristors - HT40)
A DIAC relaxation oscillator. If you look at the data sheet you will see a phase control circuit. If you change the RC time constant and replace the TRIAC gate junction with your resistor and anti parallel LEDs and put a diode bridge in front, you will get a simple AC powered LED flasher.
hi.
Nice catch.!
These days I have my head so far up my 'datasheet' I overlook the obvious.
I'm surprised you didn't suggest using an AVR...![]()
He was saying LED... The DIAC actually works on the same principle- the voltage builds up on the capacitor until the breakdown voltage is reached and it turns on until the the current drops below the holding current.Does it have to be an LED?
Will and neon lamp do?
Connector a resistor, diode in series and a capacitor in parallel with a neon lamp and it will flash.