LM555 Voltage Doubler

January 12, 2020 delabs 0

This circuit shows the voltage doubler working with a 555. LM555 has good drive 200mA, both Vcc and Gnd. 555 has the advantage of having […]

Dual Polarity Power Supply

January 13, 2019 delabs 0

This supply gives both positive and negative outputs. Appropriate Fuses should be used to protect from fire hazard and overload of transformer. Voltage Regulators LM7812 […]