Blog Posts | RBDIMMER

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

26 feb 2026

0 34

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 (...

Arduino ESP32 LED MOSFET TRIAC ac-dimmer flicker tutorial

How to Fix ESP32 AC Dimmer Flickering. Guide

10 feb 2026

0 251

Viaggi

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...

ESP32 ac-dimmer dimmerlink tutorial

Announcing: Universal AC Dimmer Library for ESP32. Initial Release

22 apr 2025

0 4912

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

10 apr 2025

3 7233

Viaggi

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

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

28 mar 2025

0 6464

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...

Arduino Blynk ESP32 ac-dimmer tutorial

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

28 mar 2025

0 6723

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...

Arduino ESP32 RainMaker ac-dimmer tutorial

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

28 mar 2025

0 3904

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...

Arduino ESP32 MQTT ac-dimmer home-assistant tutorial

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

28 mar 2025

0 6198

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...

Arduino ESP32 ac-dimmer tutorial web-interface

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