In a simplistic manner, the triac can be considered as a switch control. When it is in a blocked state, it behaves like an open switch. However, a command current […]
High Power Triac Dimmer Circuit for 1000 watt Loads
This mains AC triac light dimmer circuit can be used for controlling all high watt lamps from 100 watt to 1000 watt through an ordinary potentiometer adjustments. You can also […]
Zero Crossing 220V AC Light Dimmer Circuit using IC 555
The post explains a high efficiency and versatile IC 555 based light dimmer circuit which works by phase control through zero crossing, thus eliminating noise and other issues associated with […]
Switching Triacs Safely using Zero Voltage (ZVS)
Zero-voltage switching (ZVS) for triacs is implemented by providing a controlled power to the load, through an ON/OFF switching of the line voltage, which is specifically at the zero crossing […]
How to Increase Power Rating of Zener Diodes
Generally there are situations wherein a higher power Zener diode is essential and one is not easily accessible. Listed here is a circuit which using a power transistor can easily […]
Light Dimmer Circuit
The circuit for any light dimmer is simply not complicated, as will probably be noticed through Fig. 1, nor are the parts all of that costly. The light dimmer circuit […]