The movement of the LEDs in this circuit mimics the back-and-forth movement of a pendulum, making it suitable for clock projects. The circuit is from a Radio Electronics magazine from May 1978.
We have already presented this circuit elsewhere on our website. This version of an English...
With this circuit it is possible to obtain an intermediate voltage of 6 V from a 12 V battery with...
This 9 V battery eliminator was found in Radio Electronics magazine from June 1966. The transistor is of...