The core of an AC dimmer module is the TRIAC, a semiconductor device that controls the power flow to the load (light bulb) by adjusting the phase angle of the AC signal. Here's a simplified breakdown of the process: Zero Crossing Detection: The module detects the zero-crossing point. This article delves into the details of the AC dimmer module, its features, and how to use it to control AC lights with Arduino. We'll also provide step-by-step instructions and example codes to make your project a success. Why use it? Imagine in your bedroom too bright. Change a light bulb to low watts. AC dimmers are mainly of two types: one is manual, and the second is. “MOC3021 light dimmer” In this Tutorial, you will learn how to make an Arduino-based 110/220vac Bulb dimming Control system using MOC3021, BTA16 Triac, and a zero-crossing detector circuit based on the EL817 optocoupler. The Zero crossing. al”), I2C and PWM.
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