This 1988 circuit makes a back-and-forth of LEDs whose speed is controlled by P1. All components used are common and the circuit can be powered by voltages from 6 to 9 V.
This circuit has the transistor chosen according to the maximum current desired at the output. Unlike...
This simple Wheatstone bridge uses only passive components. We can calibrate R1 in terms of...
Found in Motorola documentation from the 1980s, this circuit employs an integrated device from...