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 90s Electronics Now. The circuit can use a TIC106 for the SCR....
This circuit uses a common-cathode 7-segment display powered from a decoder and a 0-9 counter. The...
This circuit uses two sensors that are placed at the intersection of a miniature railroad, causing the LED...