We found this circuit in a Radio Electronics magazine from November 1976. The clock frequency is divided by 10 and the maximum value depends on the integrated circuits used.
This circuit was taken from Maxim documentation from the 1990s. It can be implemented on the basis...
This circuit allows linear brightness control of an LED from an input voltage. The power supply must...
This circuit is from a Hands-On Electronics from 1987, but it can still be easily assembled, as...