Zelco

28/08/2026

Meet the ultimate WLED controller for your next build 👑

The GLEDOPTO GL-C-619WL Elite packs everything you need to power serious multi-zone addressable LED setups—straight out of the box.

🔌 6 Independent Outputs – Control multiple zones and strips from one unit

🌐 RJ45 Ethernet & Wi-Fi – Rock-solid wired stability or wireless freedom

⚡ 5V–48V DC Support – Works with WS2812B, WS2811, SK6812, WS2815, and more

🧠 ESP32 & Pre-installed WLED 16 – Ready for 100+ effects and seamless Home Assistant setup

Level up your lighting setup today 👇
https://zelco.co.uk/products/gledopto-gl-c-619wl-elite-wled-controller-6-output-ethernet-wi-fi

GLEDOPTO GL-C-619WL WLED controller with 6 independent LED outputs, Ethernet and 2.4GHz Wi-Fi. Supports 5–48V addressable LED installations.

02/08/2026

Ever installed a brand new addressable LED strip, only to find the far end is dim or your crisp whites are turning pink? 💡

That’s not a faulty strip or a bad controller—it’s voltage drop.

Power injection is the secret to getting perfectly bright, colour-accurate LEDs from start to finish. We’ve just published our complete WLED Power Injection Guide (2026) to walk you through exactly how to fix it.

Here is what you will learn:
🔌 When to inject (cheat sheets for 5V, 12V, and 24V strips)
📍 Where to inject (end, middle, or every X LEDs)
⚡ What wire to use (and why proper fusing is critical for safety)
🚫 Common mistakes (and how to avoid them)

Stop guessing with your LED setups and get them running at 100% brightness safely.

📖 Read the full guide here: https://zelco.co.uk/blogs/wled-user-guide/wled-power-injection-when-where-and-how

Far-end LEDs dim or wrong colour? That's voltage drop. This guide covers when and where to inject power, what wire to use, and how to wire it safely.

20/07/2026

Building a WLED project in 2026? 💡

While both the ESP32 and ESP8266 have their place, for most builds, the choice comes down to room for growth and performance.

The ESP32 comfortably handles larger LED setups and runs WLED 16’s advanced features smoothly. The ESP8266 still works well for smaller, simple projects—but it does have its limits.

We’ve broken down both chips head-to-head with practical numbers to help you pick the right controller for your setup.

09/07/2026

💡 The secret to a high-end kitchen isn’t the main lights—it’s the subtle glow under the cabinets. But if you’ve ever looked into under-cabinet lighting, you’ve probably seen expensive commercial kits with limited colors, clunky apps, and proprietary controllers.

There’s a better, more affordable way. 🙌

Our latest guide breaks down how to build a custom, DIY under-cabinet lighting system using WLED. By using addressable RGBW strips and a pre-flashed WLED controller, you get:
🍳 Crisp white light for focused food prep
🍷 Warm ambient tones for evening relaxation
🎉 Full dynamic color effects for parties or holidays
🏠 Complete local smart home integration

The best part? You can easily knock this project out in an afternoon without any coding or flashing.

Ready to transform your kitchen? Check out our complete step-by-step DIY installation guide below!👇
🔗 https://zelco.co.uk/blogs/wled-user-guide/wled-under-cabinet-kitchen-lighting-diy-installation-guide

Build WLED under-cabinet kitchen lighting in an afternoon. A complete DIY guide to controllers, SK6812 LED strips, aluminium profiles, and smart home setup.

05/07/2026

💡 Ever wondered how people get those amazing, fluid rainbow lighting waves behind their TVs, under their kitchen cabinets, or along their rooflines? The secret isn’t an expensive, locked-down smart home kit. It’s a free, game-changing software called WLED!

If you’ve heard the buzz about WLED but felt a bit overwhelmed by the technical jargon, we’ve got you covered. We just published the ultimate, jargon-free WLED Beginner’s Guide (2026) to show you exactly how easy it is to get started. 👉 Read the guide here: https://zelco.co.uk/blogs/wled-user-guide/a-beginner-s-guide-to-wled-the-secret-to-professional-smart-lighting

What you’ll learn in less than 5 minutes:
✅ What WLED actually does (Think of it like the ultimate amplifier for your lights)
✅ Why it beats store-bought brands on customisation and smart home integration
✅ The 3 simple things you need to start (No coding or soldering required if you use a pre-flashed controller!)
✅ A real-world UK example of how quick and easy it is to set up your first custom light show

Whether you want your lights to dance to your music, sync up with Home Assistant, or just create a cosy warm white glow for film night, WLED can do it all without any pesky subscriptions or cloud accounts.

👇 Have questions about picking the right power supply or LED strip? Drop them in the comments below or dive into our full guide!

If you have ever seen a gaming setup with fluid rainbow waves or a house outlined in perfectly synchronized holiday lights, you were likely looking at WLED. While it might look like a complex professional installation, WLED is actually an accessible, community-driven platform that anyone can set up....

28/06/2026

🎬 Tired of overpriced TV backlight kits that lock you into a single app?

You don't need a Philips Ambilight TV to get that immersive glow behind your screen. With a compact WLED controller, a length of addressable LED strip, and about half an hour, you can build a fully sound-reactive backlight for any TV — OLED, QLED, LCD, or projector.

Here's what makes a WLED setup different: ✅ 100+ built-in effects — not 5 or 10 presets ✅ Volume AND frequency-reactive sound modes (the bass-activated ones are amazing for films) ✅ Full Home Assistant integration — auto-discovers on your network ✅ Locally controlled — no cloud account, no subscription, no app that might stop working ✅ Unlimited custom presets saved on the device

We've put together a complete step-by-step guide covering everything: which controller to choose, how to mount and wire the strip, configuring sound reactivity in WLED, and automating it all with Home Assistant or your TV's USB port.

👉 Read the full guide: zelco.co.uk/blogs/wled-user-guide/wled-tv-backlight-guide-2026

Already built a WLED backlight? Drop a photo in the comments — we'd love to see your setup. 👇

Build a WLED TV backlight with sound-reactive lighting in under an hour. Step-by-step guide covering controller choice, LED strips, wiring, and WLED setup.

22/06/2026

There's something special about sitting outside on a summer evening with the perfect lighting. ✨

The good news? You don't need expensive cloud-based systems to create it.

WLED gives you complete control over your lights, from warm white ambience to colourful effects for holidays and special occasions.

We've put together a practical guide to help you get started:

🔗 https://zelco.co.uk/blogs/wled-user-guide/outdoor-lighting-wled-diy-guide-2026

Have you already added outdoor lighting to your home? We'd love to see your setup! 📸

Learn how to install permanent outdoor lighting using WLED. A complete DIY guide covering controllers, LEDs, power setup, and smart home integration for UK homes.

23/12/2025

🍕 Cold Pizza, Hot Soldering Iron, and Perfect Sync. 🚀
The lab is a total disaster zone today, and honestly? We wouldn’t have it any other way. 🛠️

There’s nothing quite like that moment when the audio hits, the code compiles, and the lights react exactly the way you imagined. It’s the ultimate maker high.

Who needs a clean desk when you’ve got 4 channels of synchronized light and sound? Back to the chaos! ⚡💡

23/12/2025

🚀 One Controller. Four Strips. Endless Possibilities.

eady to take your WLED setup to a professional level? Meet the Gledopto GL-C-017WL-D—the ultimate 4-channel WLED controller built for creators who don’t want to be limited.

Why settle for one light strip when you can power an entire room from a single device? 🏠✨

🔥 Why the GL-C-017WL-D is a Beast:
4 Independent Outputs: Control up to four separate addressable LED strips simultaneously. Perfect for running multiple shelves, desk zones, or room perimeters.

Serious Power: Handles up to 15A total output with a built-in replaceable fuse for maximum safety. 🛡️

Pro-Grade Signal: Integrated Level Shifter IC ensures your data signal stays rock-solid, even over longer distances (no more flickering!).

Audio-Reactive Magic: A built-in high-sensitivity I2S Digital Microphone means your lights don't just change—they dance to the beat. 🎤🎶

Energy Efficient: Includes an onboard relay that physically cuts power to the LEDs when they're turned off, saving you money and extending the life of your strips.

🛠️ Tech Specs for the Pros:
Voltage: Wide support for DC 5V, 12V, and 24V setups.

Firmware: Pre-flashed with WLED (ESP32-based) for instant app control.

DIY Ready: Features a Type-C UART port for easy flashing and an IO33 DIY port for adding physical buttons or sensors.

Quick-Connect Terminals: No screwdrivers needed—just plug and play!

Whether you’re lighting up a gaming cave, a home theater, or a commercial display, the GL-C-017WL-D is the brain your project deserves.

Time to go big or go home! 🌈