Category Archives: led hacks

Reviving a DOA Smart Bulb With Custom Firmware for Its ESP8266

There are some incredibly cheap WiFi smart bulbs on the market these days, but as is often the case, you tend to get what you pay for. When [Viktor] took delivery of his latest bargain basement bulb, the thing didn’t even work. So much for Quality Assurance. On the plus …read more

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Posted in ESP8266, firmware, led hacks, lighting, Microcontrollers, Smart Bulb, smart home | Leave a comment

Travel Globe Spins You Around Memory Lane

We all have our own preferences when it comes to travel souvenirs — that little something that brings back the memories and feelings of a past holiday every time we look at it, whether it’s the cliché fridge magnet, some local speciality, or just the collection of photos we took. …read more

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Posted in dymaxion, ESP8266, google maps, icosahedron, IMU, javascript, led hacks, MPU-6050, travel, world map | Leave a comment

Get The Party Started With A Mesh WiFi Light Show

Wildly blinking LEDs may not be the ideal lighting for the average office environment, but they’ll surely spice up any party. And since a party without music is just a meeting, having both synced up is a great way to set the mood. Sure, you could simply roll out your …read more

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Posted in 3D printed case, javascript, led hacks, light show, mesh network, microphone, music, oled, wemos d1 mini, ws2812b | Leave a comment

Fiber Optic Ceiling Pumps to the Beat

For years [Centas] dream was to take the stars to his home and build a fiber optic ceiling. Even though there are many fiber optic star ceiling kits commercially available, we are glad he decided to go full DIY on this project as the result is simply astonishing.

[Centas] chose …read more

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Posted in Arduino Hacks, ceiling, fiber optic, led hacks, starscape | Leave a comment

Office Status Light Turns “Do Not Disturb” To “Busy”

Open-plan offices with too many desks crammed into them are the scourge of many a tech start-up, and at [Danny Salzman]’s employer, distractions reached an all-time high. His boss instigated a free/busy indicator using coloured cards, but he felt he could do one better and came up with an IoT …read more

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Posted in led, led hacks, particle photon, status light | Leave a comment

Rolling Your Own LED Matrix Driver, With Copper Foil Tape to the Rescue

It all started when [Damien Walsh] got his hands on some surplus LED boards. Each panel contained 100 mini-PCBs hosting a single bright LED that were meant to be to be snapped apart as need. [Damien] had a much better idea: leave them in their 20×5 array and design a …read more

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Posted in 3d printed, copper tape, cree, diffuser, dot matrix LED, ESP32, IS32FL3738, led hacks, led matrix, surplus, wi-fi | Leave a comment

Dim Hallway Gets Lighting Upgrade

There’s nothing worse than a lightswitch that’s nowhere near where it should be, leaving you fumbling around in the dark. [supersquirrel72] had just this problem, and decided to put an Arduino to work instead.

Rather than using the original mains lighting that was poorly positioned and not enough to light …read more

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Posted in led, led hacks, lighting, rtc | Leave a comment

LED Matrix Takes You Down To Nixieland

It’s said that imitation is the sincerest form of flattery. Sure, there are some who might simply sugarcoat blatant plagiarism with fancy quotes, but there are still cases that come from well-intended, genuine admiration. The Nixie tube with its ember-like glow is a component that definitely gets a lot of …read more

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Posted in clock hacks, led hacks, nixie, nixie clock, RGB LED matrix | Leave a comment

Reverse Engineering Saves Trashed LED Panels

While out riding his bike, [Hammond Pearce] came across a dumpster overflowing with large LED panels. Despite the fact that the model numbers didn’t reveal anything helpful after some online searching, he decided to pedal off with as many as he could safely carry. The COVID-19 lockdown left him with …read more

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Posted in HUB75, led, led hacks, LED panel, LED sign, protocol, reverse engineering | Leave a comment

Break Time Is Calling On The Rainbow Connection

Like some of us, [Mister M] is prone to staying glued to his seat too long in this new era of working from home. And you know what they say about a body at desk — it tends to stay at desk until it absolutely must rise up to find …read more

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Posted in alarm, how-to, led hacks, lifehacks, neopixel ring, Raspberry Pi, Raspberry Pi 2, RGB LED | Leave a comment