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“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 …

“A 3d raycast engine for Arduino Just experimenting with an Arduino Nano I bought some time ago. This chip is very limited in process and memory: 16Mhz, only 32kb for program memory and 2kb of RAM, of which 1kb is …

“Recently, I came across RDA5807 module which is an FM Radio Tuner in a very tiny package. It is very cheap and uses I2C protocol for communication which means that only two wires will be required to talk to the …

“Print, assemble and program your own Simon Says game. How much of the randomly generated colour pattern can you memorise and repeat back? Not sure, then why not make one and find out. (My current best is level 14). With …

“Freeform electronic circuit sculpture Wristwatch made with freeform wire construction technique. Since circuit sculpture contest was announced I immediately knew I wanted to participate. Mostly because I have never made freeform circuit and was inspired by other people’s work …

“Add a user interface to a D1 mini Add a user interface to a D1 mini DETAILS Often you need some kind of a user interface for your project — a display, a menu, maybe some icons, some numbers or some …

“Previously I have shared a few types of weather stations which operated differently. If you haven’t read those articles I recommend you check it out here: Simple Weather Station Using ESP8266. Room Weather Station Using Arduino & BME280. In this …

“We will be interfacing the high powered E32 1 Watt LoRa module from eByte with an ESP32, the same method is used for an Arduino or ESP8266. This project of mine is interfacing the E32 LoRa module from eByte which …

“Introduction Did you ever get tired of cleaning the whiteboard? Have you ever wondered how much your life would improve if a robot could do this for you? You now have the chance to make this a reality with Wipy …

“The SSD1306 OLED display is a small (0.96”), inexpensive, widely available, I2C, monochrome graphical display with 128x64 pixels, which is easily interfaced (only 4 wires) to microprocessor development boards such as a Raspberry Pi, Arduino or Adafruit Itsybitsy M4 …