Mains Voltage Indicator with a LED
This is a mains 230V AC voltage indicator and is a LIVE CIRCUIT, so take care. The Resistor has to be a fusible ceramic wire wound and the capacitor 630V AC or higher capacity....
Category: Power-Electronics
CFL Lamps and Simple Inverter
Kindly help me make one issue devoted to—— CFL Ballast Circuits—-viz. circuits to drive a 5/7/9 / 11W….upto 18 watts CFL from a 6 volts / 12v DC battery, or Solar Panel,(or 220 volts...
Isolated dual power supply from 5V
This is a unregulated supply for low power circuits. You may be able to regulate the outputs with zeners or small regulators like 78L05. The transformer can be hand wound in a mini ferrite...
Understanding Transistor Power Dissipation
I like your page about current source circuit basic design. However, I still have Little confuse of the power dissipation calculation. The max power dissipation of my circuit is 20.5V x 0.5A = 10.25W,...
