Free professional tools and guides for designing safe, correctly-specified WLED LED installations — from your first beginner build to a multi-zone architectural project.
Building a WLED-powered LED installation involves more than picking a strip and plugging it in. You need to choose the right controller, size a power supply correctly, calculate wire gauge and voltage drop, select a fuse rating, and configure the firmware — and getting any of these wrong can mean flickering, voltage drop, premature LED failure, or in the worst case, a fire hazard. WLED System Architect brings together a complete set of calculation tools, beginner-friendly explainers, and detailed reference material so you can plan your entire build with confidence before you spend a cent on hardware. Every card below links straight to the relevant tool or guide, with a dedicated walkthrough if you want the step-by-step version first.
Start here if you already know roughly what you want to build. These three calculators handle the technical maths — current draw, power supply sizing, fuse rating, wire gauge, voltage drop, and running cost — so you don't have to do it by hand or guess.
Calculate the exact power supply rating, fuse size, wire gauge, and power injection strategy for your specific LED strip type, length, and density. This is the core tool most builders start with.
Find out precisely how much electricity your WLED installation will cost to run per hour, day, month, and year, based on regional electricity rates and your actual effect brightness levels.
Model the resistance of your specific wire run, see the real voltage arriving at the far end of a long strip, and get a concrete power injection plan with exact spacing.
If you're new to WLED, or something has stopped working, these guides walk you through the process in plain language — from your very first install to diagnosing why your LEDs are flickering at 2am.
The complete walkthrough covering controller selection, power sizing, wiring practices, firmware flashing, Wi-Fi setup, and a pre-power-on safety checklist, in five structured steps.
Never touched a microcontroller before? This explains what WLED actually is, what four things you need to buy, how the hardware works, and the most common mistakes first-timers make.
Searchable symptom-based fixes for flickering, wrong colours, Wi-Fi dropouts, OTA update failures, Home Assistant integration issues, and controllers that won't connect.
The story of how a 2018 student side-project by Christian Schwinne grew into the most widely used open-source addressable LED firmware in the world.
Once you know what you're building, use this reference material to choose the right LED strip chipset, find compatible hardware, browse the full effects list, or look up any unfamiliar term.
Compare WS2812B, SK6812, APA102, WS2815, and other common chipsets side by side across voltage, data protocol, RGBW support, refresh rate, and WLED compatibility.
Browse every major WLED-compatible controller and ESP32 / ESP8266 development board, with output counts, pre-flashed availability, level shifter inclusion, and purchase links.
All 180+ built-in WLED lighting effects explained individually, including how Speed and Intensity sliders behave for each one and which support colour palettes.
Community-backed LED strip and controller recommendations for specific use cases — budget builds, outdoor installs, multi-zone projects, and camera-friendly high refresh rate setups.
A practical comparison of WLED against Govee, Philips Hue, LIFX, and Tasmota across cost, local control, cloud dependency, effect count, and smart home integration.
Plain-English definitions for every term you'll encounter while planning a build — addressable LEDs, AWG wire gauges, segments, palettes, voltage drop, and more.
Most LED installation problems trace back to a handful of root causes: an undersized power supply, a missing fuse, the wrong wire gauge for the current draw, or skipped power injection on a long run. WLED System Architect's calculators use real manufacturer current-draw specifications rather than rough approximations, and every recommendation includes a safety margin. Whether you're wiring a single one-metre accent strip or planning a multi-zone architectural installation with dozens of segments, start with the Power Calculator, cross-check long runs with the Voltage Drop Calculator, and use the Beginner's Guide or full Build Guide if any step is unfamiliar.