This dual flasher for high brightness LEDs was found in an American documentation from the 90's. The circuit can be powered by lower voltages with the reduction of R1 and R4.
This circuit was found in a 1986 publication. However, it can still be easily assembled, as the...
) This circuit produces a single pulse on the trigger. We found it in documentation from the 70s....
This is the transmitter for the previous circuit. We found it in a 90s Electronics Now. The...