US blinkers circuit

Thread Starter

Laban9393

Joined Dec 3, 2020
17
That was fast response, thanx, been troubleshooting quite a bit. The circuit now works, but only when the supply is at 11V or below. I need the circuit to operate at up to 15V, as it's going in my car. At 12V or above the output does not go high any more. Any ideas of what causes this?
 

eetech00

Joined Jun 8, 2013
3,847
That was fast response, thanx, been troubleshooting quite a bit. The circuit now works, but only when the supply is at 11V or below. I need the circuit to operate at up to 15V, as it's going in my car. At 12V or above the output does not go high any more. Any ideas of what causes this?
Which timer chip are you using (part number)?
set supply to 15v.
Measure the voltage at pin 2 and pin 3.
Report back.
 
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