| This circuit allows you to drive a strip of WS2812 RGB LEDs (also called NeoPixels via Wi-Fi. Using the module ESP-01 module (featuring the...
| This circuit allows you to drive a strip of WS2812 RGB LEDs (also called NeoPixels via Wi-Fi. Using the module ESP-01 module (featuring the...
| Actually fidget spinners are totally out, but the one described here is DIY and it and can display user-programmed illuminated text strings...
| Many metalworking fans wish to upgrade their lathes or milling machines by retrofitting a “computer link” and so move on to the realms of CN...
| About two years have passed since the launch of the Elektor SDR Shield for creating a shortwave SDR using the Arduino [1]. Plentiful positiv...
| A couple of years ago I read an article about small radars. After that I also began noticing product news items from various companies about...
| The idea for this project came when browsing the Elektor Archives. In 301 Circuits, the second book in the popular Elektor ‘300’ series of b...
| This project lets you scroll text on a bank of eight 8 × 8 LED matrix displays. It uses a Wi-Fi module of type ESP-12F (based on the ESP8266...
| When you want to connect two or more I2C devices together there may, in some cases, be the requirement to change the voltage level of the si...
| In the animal world, the males of the species don't have it easy finding a partner – they sometimes have to prove in fierce (mock) fights wi...
| They say “Curiosity killed the cat”, as if it were some kind of undesirable character defect. But I see it more as a positive quality, essen...