---
product_id: 510640485
title: "2 pcs PWM AC Programmable Light Dimmer 110V-220V AC Module Controller Board for Arduino, STM, ARM, AVR, Raspberry Compatible 50/60Hz with HeatSink 3.3V/5V Logic"
brand: "iot dynrobot"
price: "£37.85"
currency: GBP
in_stock: true
category: "Iot Dyn Robot"
url: https://www.desertcart.co.uk/products/510640485-2-pcs-pwm-ac-programmable-light-dimmer-110v-220v-ac
store_origin: GB
region: United Kingdom
---

# 240V/8A max power control 3.3V/5V logic compatible HeatSink for stable cooling 2 pcs PWM AC Programmable Light Dimmer 110V-220V AC Module Controller Board for Arduino, STM, ARM, AVR, Raspberry Compatible 50/60Hz with HeatSink 3.3V/5V Logic

**Brand:** iot dynrobot
**Price:** £37.85
**Availability:** ✅ In Stock

## Summary

> 💡 Power your smart projects with precision and style!

## Quick Answers

- **What is this?** 2 pcs PWM AC Programmable Light Dimmer 110V-220V AC Module Controller Board for Arduino, STM, ARM, AVR, Raspberry Compatible 50/60Hz with HeatSink 3.3V/5V Logic by iot dynrobot
- **How much does it cost?** £37.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/510640485-2-pcs-pwm-ac-programmable-light-dimmer-110v-220v-ac)

## Best For

- iot dynrobot enthusiasts

## Why This Product

- Trusted iot dynrobot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Power Handling:** Handles up to 240V/8A safely, perfect for lamps, pumps, and home automation projects.
- • **Smart Heat Management:** Integrated HeatSink ensures reliable performance without overheating during extended use.
- • **Seamless AC Phase Control:** Smoothly dim lights & control motors with precision phase-cutting tech.
- • **Developer-Friendly Integration:** Supports RBDdimmer.h library for effortless coding and multi-dimmer control from a single microcontroller.
- • **Universal Microcontroller Compatibility:** Plug & play with Arduino, Raspberry Pi, STM, ARM, AVR — no limits to your creativity.

## Overview

This 2-piece PWM AC Programmable Light Dimmer module offers advanced phase control for AC voltage up to 240V/8A, compatible with popular microcontrollers like Arduino and Raspberry Pi. Featuring 3.3V/5V logic tolerance and an integrated HeatSink, it ensures stable, efficient dimming and motor control for home automation, school, and professional projects. Supported by an easy-to-use RBDdimmer.h library, it enables smooth brightness transitions and multi-device management, making it a must-have for modern DIY electronics enthusiasts.

## Description

The AC Dimmer is designed to control the alternating current voltage, which can transfer current up to 240V/8А. In most cases, Dimmer is used to turning the power ON/OFF for lamps or heating elements, it can also be used in fans, pumps, air cleaners, e.t.c. Lately, Dimmer has become an often-used decision for smart home systems. For example, when you need to smoothly change the light brightness. The lamp is slowly turning ON or OFF, creating a comfortable atmosphere. Dimmer works most effectively with filament lamps. It’s less stable with low brightness dimmable LED lamps, but with moderate and high brightness it will perform a solid job. Note that luminescent lamps (gas discharge lamps) do not support dimming. A power of the dimmer is isolated from the control part, to exclude the possibility of high current disruption to a microcontroller. The logical level is tolerant to 5V and 3.3V, therefore it can be connected to the microcontroller with 5V and 3.3V level logic. In Arduino, a dimmer is controlled with RBDdimmer.h library, which uses external interrupts and process time interrupts. It simplifies the code writing and gives more processing time for the main code. This is why you can control multiple Dimmers from one microcontroller. You can download RBDDimmer.h library and a few examples in «Documents» or on GitHub. We are constantly updating our library, so we recommend checking for website updates or subscribe to our newsletter. Dimmer is connected to Arduino controllers via two digital pins. First (Zero) to control the passing of Phase Null of AC, which is used to initiate the interrupt signal. Second (DIM/PSM) to control (dim) current. Note that Zero requires connection to designated microcontroller pins (which are different depending on the model of Uno, Nano, Leonardo, Mega), since it tied to microcontroller interrupts.

## Features

- AC Light Dimmer Module Controller Board ARDUINO RASPBERRY Compatible 50/60Hz 3.3V/5V logic 220V/110V
- SAMPLE: please see images. Can control AC/DC motor, electric pump, tools
- Compatible with any ARDUINO, RASPBERRY boards. Arduino, STM, ARM, AVR, Raspberry
- AC Phase Control Circuit (Dimming Circuit) / Home Automation, School Projects, Work Related Projects
- The zero crossing is directly derived from the rectified mains AC lines.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07KDNMTSF |
| Aspect Ratio | 16:9 |
| Available Memory Slots | 1 |
| Best Sellers Rank | 113,369 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 11,784 in Components & Replacement Parts |
| Box Contents | HeatSink |
| Brand Name | IOT DynRobot |
| CPU Model Number | 1ChDimmerHeat2pcs |
| Cache Memory Installed Size | 1 MB |
| Compatible Devices | ARDUINO, STM, ARM, AVR, Raspberry |
| Cooling Method | Heat Sink |
| Display Type | LED |
| Graphics Card Interface | Integrated |
| Graphics Description | Dedicated |
| Graphics Ram Type | DDR4 SDRAM |
| Hardware Interface | USB |
| Human Interface Types | Buttons |
| Item Dimensions | 6.3 x 3 x 3 centimetres |
| Item Weight | 0.05 Kilograms |
| Manufacturer | ElectronicNuts |
| Maximum Display Resolution | 1920x1080 |
| Model Name | ChDimmerHeat2pcs |
| Model Number | 1ChDimmerHeat2pcs |
| Native Resolution | 1920 x 1080 |
| Network Connectivity Technology | USB |
| Operating Systems | DOS |
| Personal Computer Design Type | Barebone |
| Power Plug Type | Type B - 3 pin (North American) |
| Processor Brand | via |
| Processor Count | 1 |
| Processor Series | A Series |
| Processor Speed | 1 Hz |
| Product Features | AC Phase Control Circuit (Dimming Circuit) / Home Automation, School Projects, Work Related Projects |
| RAM Memory Technology | DDR4 |
| RAM Type | DDR4 SDRAM |
| Resolution | 1920 x 1080 |
| Specific Uses For Product | Home Automation, School Projects, Work-Related Controlling AC/DC Motors, Electric Pumps, and Tools |
| Style Name | Minimalist |
| Video Output | HDMI |
| Video Output Interface | HDMI |
| Video Processor | arm |

## Product Details

- **Brand:** IOT DynRobot
- **CPU model:** A Series
- **CPU speed:** 1 Hz
- **Cache size:** 1 MB
- **Graphics card description:** Dedicated
- **Included components:** HeatSink
- **Model name:** ChDimmerHeat2pcs
- **Operating system:** DOS
- **Personal computer design type:** Barebone
- **Specific uses for product:** Home Automation, School Projects, Work-Related Controlling AC/DC Motors, Electric Pumps, and Tools

## Images

![2 pcs PWM AC Programmable Light Dimmer 110V-220V AC Module Controller Board for Arduino, STM, ARM, AVR, Raspberry Compatible 50/60Hz with HeatSink 3.3V/5V Logic - Image 1](https://m.media-amazon.com/images/I/61ULhL-chsL.jpg)

## Questions & Answers

**Q: What is the maximum watts at 120volts it can support for hours. Plan to use to control swamp cooler fan speed.**
A: 120 volts * 8 amperes maximum continuous current equals 960 watts. The TRIAC can run at a peak load of 16 amperes , 1,920 watts, but this cannot be sustained for long. If you need higher wattage you’ll either have to run a higher voltage or run the two modules in parallel.

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-20*