March 30, 2022 Cultsauce's Wooden Handheld Console Hides Your Soldering Horrors in a Plywood-Cork Sandwich Designed by a relatively unconfident solderer, this neat handheld hides signs of scorching and bad joints under its simple wooden housing. Read now
March 1, 2022 An Always-On ATtiny85 PCB Wristwatch This LED wristwatch runs on joules, not jewels. Read now
February 16, 2022 A Morse Code Message Pendant David Johnson-Davies' ATtiny10 pendant lights up with a secret Morse code message. Read now
February 1, 2022 Mohit Bhoite's KT-15 Circuit Sculpture Is Ready for a Kitchen Landing with Its 4-Bit Timer Another interesting circuit sculpture by Mohit Bhoite Read now
December 9, 2021 Light Up All 16 LEDs to Solve This PCB Puzzle David-Johnson Davies' fun little PCB puzzle consists of 16 LEDs, 16 buttons, and an ATtiny404 chip. Read now
September 6, 2021 A Simple Two-Digit LED Thermometer A friend of Hacker David Johnson-Davies’ now two year-old son recently had a birthday. While he can’t yet read words, he can… Read now
September 30, 2019 Undecided? Build a Decision Maker Build this compact and fun decision maker based on ATtiny85 microcontroller Read now