Soldering Practice: LED Heart Board
Iffy Books 404 S. 20th St., Philadelphia, United StatesCome out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you choose. This project is ideal for folks who have soldered at least once before. Beginners are welcome to join us, but it may take you […]