Рет қаралды 104,943
4017 रोटर में लगे ic को समझना इसे कैसे लगाए
led jhalar banane ke bare me jane
• Led , jhaler , decorat...
led power supply// transformerless power supply
• Transformerless power ...
pf capacitor detail explain
• Capacitor knowedge
inverter banana // inverter ke sare doubts
• Inverter