AC Phase Angle Control for Light Dimmers and Motor Speed Control using 555 Timer and PWM Signal

Home automation systems are increasingly gaining popularity day by day, and nowadays it's become easy to turn on & off certain appliances by using some simple control mechanism like a relay or a switch, we have previously built many Arduino based Home Automation Projects using relays. But there are many home appliances that require control of this AC power rather than just turning on or off.

[original story: Circuit Digest]

Circuit Digest 26 Oct 11:23