Blog Posts | RBDIMMER

22 Articles

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ESPHome YAML for AC TRIAC Dimmer: Standard and DimmerLink

Feb 26, 2026

0 17

FAQ

TL;DR: Two ESPHome integration methods exist. The standard ac_dimmer platform works out-of-the-box but has ISR/WiFi conflicts on ESP32. The DimmerLink external component uses a hardware controller for...

ESP32 ac-dimmer dimmerlink esphome tutorial

Which AC Dimmer Module to Choose: Complete Buyer's Guide

Feb 26, 2026

0 26

FAQ

TL;DR: Three questions determine your choice: (1) load type — resistive (heater, incandescent) or inductive (motor); (2) load power in watts → calculate amps → pick a rating with a ×1.3 safety margin;...

Arduino ESP32 TRIAC ac-dimmer buyer-guide dimmerlink tutorial

LED Lamps with AC Dimmer: TRIAC or MOSFET — Compatibility Guide

Feb 26, 2026

0 34

FAQ

Short answer: There are two types of AC dimmers: TRIAC (leading edge — for incandescent bulbs, halogen, heaters) and MOSFET AC dimmer (trailing edge — purpose-built for LED lamps). If an LED lamp flic...

Arduino LED MOSFET TRIAC ac-dimmer trailing-edge tutorial

Trailing Edge vs Leading Edge: Which Dimmer Method to Choose

Feb 26, 2026

0 39

FAQ

Short answer: Leading edge is the standard TRIAC dimmer — it opens the load in the second half of each AC half-cycle (best for incandescent bulbs and heaters). Trailing edge is a MOSFET dimmer — it op...

Arduino LED MOSFET TRIAC ac-dimmer leading-edge trailing-edge tutorial

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

Feb 26, 2026

0 35

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

Feb 10, 2026

0 252

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...

ESP32 ac-dimmer dimmerlink tutorial

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

Mar 28, 2025

0 6474

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.

Mar 28, 2025

0 6745

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

Mar 28, 2025

0 3920

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.

Mar 28, 2025

0 6204

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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