This circuit with two HT2030s powers 6 LEDs in a decorative flashing system. The circuit is from Electronics Now magazine, December 1997. The LEDs are fed in sequence.
This circuit has a power stage with transistors that allows to obtain a current greater than that...
This circuit converts signals from the shortwave band to the 118 to 130 MHz VHF band used in...
We found this circuit in an old publication dealing with operational amplifiers. The circuit uses...