The purpose of this circuit is to increase the current of a MAX1735 regulator to obtain an output that reaches 320 mA. The circuit is based on documentation from Maxim.
This traditional flasher configuration with two transistors drives 5 LEDs with a supply that must...
To operate with high input voltages using a 3-terminal voltage regulator such as the LM340-15, we...
This is the circuit of the commercial Japanese megaphone of the 60s model DM-218. The circuit uses...