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“Recently after automating many of my lights with motion sensors (guide coming soon!) I found myself wanting a way to automatically switch everything off at night. The question was how to properly determine when my partner and I had went …
“The ESP8266 is a handy little device which can be programmed and used easily, but we have to use the available GPIO pins wisely because there are not too many of them. In this short summary I will show you …
“A motion-activated raffle device that can draw numbers or names. Users can specify the range of numbers or the list of names through WiFi. n class, I use to raffle the names of students and the “lucky ones” get to …
“Do you wonder how to write text with LEDs? In this workshop well show you how to do this and use UV LEDs to write a text or images on a phosphorescent surface. The photonics principles used are light absorption …
“Using a D1 mini to download and show one-week weather forecast data on an LCD 20x4 display. Sometime ago I’ve come across MetaWeather, a weather data service requires no authentication or registration. I figured I’ll make a little …
“Build your own RGB Lamp providing 3 bright light cones in red, green and blue (or other colors) which turn on and off in a row. The speed of the light show can be manually controlled by a turning knob …
“Light pollution is one of many problems in world. For solve that problem, we need to know how much is night sky polluted with artificial light. Many students with teachers in world try to measure light pollution with expensive sensors …
“Tracey is a servo based panto-graph drawing machine. It consists of two main parts: Controller board Drawing mechanism assembly. Once calibrated correctly Tracey can produce nice fun drawings, slightly shaky but this is the nature of the parts used. There …
“In this post, I will be explaining ESP-12F module usage with minimal set of components. ESP-12F as a stand-alone module is of no use unless mounted on a base board like wemos-d1-mini.”
“Make your own Clock, Weather, News, and more! Easy to make LED Marquee Scroller using a Wemos D1 Mini and a LED Dot Matrix Panel. Full Arduino software and 3D printed case. Features Displays the following every 60 seconds: Accurate …