Controls power in AC load through a TRIAC, performing AC phase cutting with help of a zero-cross detection circuit in a dimmer module. The module used was a RobotDyn AC Dimmer module paired with an ...

So in this tutorial, we will learn about an AC lamp dimmer using Arduino and TRIAC. Here a TRIAC is used to switch the AC lamp, as this is a Power electronic fast switching device which is the best ...

"Demonstrated proficiency in circuit design and microcontroller programming by developing an AC light dimmer system using Arduino UNO and TRIAC, enabling precise adjustment of lighting brightness for ...

All we have to do is to change the Triac off-time in both cycles, so the “dim” variable defines the transferred power to the load. As a starting point, I set the dimmer to the middle. That means for a ...

The circuit diagram of the receiver is shown in Fig. 2. It has an Arduino Uno (Board2), 433MHz RF receiver module (RX1), MOC3020 optocoupler (IC1), BT139 (TRIAC1), LM393 op-amp (IC2), 230V AC, ...

Power up this module by connecting the Vcc pin and ground pin to the 5V and ground of the Arduino. Connect the SIG or OUT pin of this module to the pin8 of the Arduino. Connect the 2N2222 transistor ...

Schematic of the Arduino Lights Dimmer Circuit You must have 4 identical circuits for each lamp that are connected to pins 3, 5, 6 and 9 on the Arduino UNO Board. Also be aware that this project is ...