Using a MAX644 this circuit was found in the April 1989 issue of Radio Electronics magazine. The circuit is for a 5 V voltage and 50 mA current output.
This is the traditional unregulated power supply configuration with full wave rectification. For currents...
Home automation systems are becoming smarter and more connected with the launch of every new...
This simple circuit has its trigger point set in the trimpot. The transistor can be any general...