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“By soldering separate LEDs together and using Charlieplexing you can control the display with only four digital pins. Usually, when you need some numerical output, it takes you at least seven pins of your microcontroller (except you use a display …
“The ESPboy Walkie-Talkie module uses SA868 transceiver allows you to use your ESPboy as an Walkie-Talkie radio. You can buy this module ready-made or make it yourself. Parts: 1.1 SA868 module 1.2 LTK5128 amplifier board 1.3 MAX9814 …
“This is the Technological Tesseract—an electronic puzzle box. The goal of this puzzle is to connect three wires to the jacks in the correct configuration to make the LED matrix light up in a fun way. There are four …
“There are lots of Pan and Tilt projects published online and this one has been written to demonstrate the L0Cost robot project which aims to provide robot designs which can be built for $20. The L0Cost robot controller has a …
“This is the world’s smallest motion alarm that has WiFi capabilities, built using an ESP-01. When someone moves within the range of the sensor, it detects the motion and sends a web request to Webhooks. From there, IFTTT …
“Hi All, I helped my son to make the 8 LED POV for his school project. In doing so I was able to introduce him to SolderingTesting electronic componentsArduino codingThis is a beginner’s level project.. that one can start …
“I shall be demonstrating how to levitate a banana. Your first thought would be, “Why?”. How often do you see objects floating in thin air, and how often do you see a banana floating in thin air? Being able to …
“Some time ago, I hatched a plan to introduce my kids to a handful of classic computer games. This wasn’t a matter of misplaced nostalgia: I’m not overly sentimental and I’d rather play Horizon Zero Dawn than …
“Instruction for build homemade Arduboy with FX Prepare step 1. Prepare all part that must use in project and solder tools 2. 3D print the case”
“The Bastl Microgranny is a fun and quirky arduino-based granular sampler, ideal for electronic music-making. It’s been around in one form or another since around 2014, but you can readily buy the new Monolith design, and the older design …