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 with 5 V power was suggested by Motorola's Linear Databook of 1990. The circuit has...
We found this circuit in a 1982 documentation. An intercom to be good must be sensitive and have...
This circuit is indicated to determine the flight time of an electric motor model airplane. The...