We found this circuit in documentation from the 90s. The circuit uses components that are still common today, turning off a load after the programmed time. The time is given by the capacitor.
This circuit was found in an Elektor from the 90s. The circuit is critical, requiring a very...
This circuit using an operational amplifier was found in old American documentation. It can be...
The relationship of values between R1 and R2 determines the reference voltage for this circuit that...