Blog Posts | RBDIMMER

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LED Flickering with AC Dimmer: TRIAC or MOSFET — Causes and Fixes

Feb 26, 2026

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FAQ

Short answer: LED flickering with an AC dimmer has three distinct root causes. Types 1 and 2 are caused by TRIAC architectural incompatibility with LED lamps — the hardware fix is a MOSFET AC dimmer (...

ac-dimmer Arduino ESP32 flicker LED MOSFET TRIAC tutorial

How to Fix ESP32 AC Dimmer Flickering. Guide

Feb 10, 2026

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Tech Articles

If you are building an AC dimmer with a TRIAC, you have probably noticed flickering, unstable brightness, or random jumps in light intensity. Most DIY developers think the problem is caused by: low-qu...

ac-dimmer dimmerlink ESP32 tutorial

DimmerLink controller – a compact I2C/UART interface

Feb 8, 2026

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News

We're excited to announce DimmerLink – a compact I2C/UART interface module that brings intelligent AC dimming to your projects without the headaches of timing-critical code. What is DimmerLink? Dimmer...

dimmerlink news

Professional-Grade Sensors for Complete Energy Management Solutions

Dec 6, 2025

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News

We're excited to announce a significant expansion of our product catalog. While AC dimmers remain at the heart of what we do, we recognize that modern DIY projects and smart home installations require...

news

Announcing: Universal AC Dimmer Library for ESP32. Initial Release

Apr 22, 2025

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News

We're excited to announce the initial release of rbdimmerESP32, an open-source library that makes AC dimming control simple and reliable for your ESP32 projects. Whether you're building smart home lig...

ac-dimmer news

AC Dimmer Based on Zero-Cross Detector and TRIAC: Operating Principles and Applications

Apr 10, 2025

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Tech Articles

Introduction Dimming is the process of regulating the power of an electrical device: controlling the power of different types of water or air heaters, light brightness, or the rotation speed of fans, ...

ac-dimmer theory

New Warehouse Opened in France – Faster Shipping Across Europe!

Apr 5, 2025

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News

We're excited to announce the opening of our new warehouse in France! This new location allows us to offer faster and more efficient shipping to our European customers. Delivery within France: 1–3 bus...

news

Dimmer with ESP32 – Blynk IoT Platform. Arduino code, settings, Web and mobile APP.

Mar 28, 2025

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Integration Guides

Blynk IoT is a full suite of software required to prototype, deploy, and remotely manage connected electronic devices at any scale: from personal IoT projects to millions of commercially connected pro...

ac-dimmer Arduino Blynk ESP32 tutorial

Dimmer with ESP32 – ESP RainMaker Cloud platform + Mobile APP.

Mar 28, 2025

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Integration Guides

ESP RainMaker® is a complete system for building AIoT products with a minimal amount of code, empowering your team to develop and deploy secure, customized AIoT solutions. It covers all Espressif chip...

ac-dimmer Arduino ESP32 RainMaker tutorial

Dimmer with ESP8266/ESP32 MQTT – Publish and Subscribe with Arduino IDE. Connecting to Home Assistant, Node-RED, Amazon AWS, and openHAB

Mar 28, 2025

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Integration Guides

This project shows how to use MQTT communication protocol with the ESP32 to publish messages and subscribe to topics from MQTT broker under servers like Home Assistant, Node RED, Amazon AWS, and openH...

ac-dimmer Arduino ESP32 home-assistant MQTT tutorial

Dimmer controller – ESP32/8266 web server with slider Arduino code.

Mar 28, 2025

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Integration Guides

In this Dimmer control with the web-server project, we will learn how to build with ESP8266 and ESP32 the slider web-server that will control the dimming voltage level of the dimmer connected to the E...

ac-dimmer Arduino ESP32 tutorial web-interface

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