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.
The shunt type regulators are connected in parallel with the load, deflecting the current to...
Using the LM317 (or LM350), this circuit is based on precision regulatory components such as those...
This solar cell powered circuit generates a standard 100 kHz signal. The circuit is from a 1960...