diy projects
Build a Spinning Mechanical TV with a Raspberry Pi Pico
A Raspberry Pi Pico, an A4988 stepper driver, and five LEDs turn a spinning pin-holed disk into a real 20-row video display. Here is…
diy projects
Build a Palm-Sized POV TV with a Raspberry Pi Pico
A Raspberry Pi Pico, a stepper motor, and a spinning disk of holes turn five LEDs into a pocket-sized color TV you can build…
diy projects
A $200 DIY Pick-and-Place Machine That Handles 0201 Parts
Industrial pick-and-place machines cost a fortune. One maker built a four-axis version for $200 that still nails 0201 parts. Here's how it works.
arduino
DIY Camera Slider from a Dead 3D Printer and an Arduino UNO R3
Maker TheHyperFix turned a retired 3D printer into a motorized three-axis camera slider - powered by an Arduino UNO R3 and a CNC shield.…
arduino
Arduino UNO R4 WiFi Slot Machine That Pays Cats in Treats
Pull the lever, line up three reels, and a treat drops out. CircuitCindy's Arduino UNO R4 WiFi slot machine turns kitty dinner into a…