In this circuit, which uses only diodes, we have both simultaneous functions. The diodes are general-purpose types and the resistors have typical values of 2k2.
The two previous circuits show the INA185 a current sensing amplifier in basic applications. This...
This metronome configuration with the 555, quite common was found in a 90s Hands On Electronics. The...
This bidirectional circuit was found in an American documentation from the 80's. The LEDs are...