#diyelectronics

Flip-Dot Display Turns Fluid: A maker swapped silent LEDs for a room-filling flip-dot panel that physically clacks out real fluid physics, steered by a joystick and a hidden IMU.

Solder smoke looks harmless curling up off the tip of your iron, but breathe it in every session for a few months and it stops feeling harmless. One maker

A fat-bike brake with no cable at all: ESP32 nodes talking over ESP-NOW drive car door lock actuators, unlocking ABS and an adjustable bite point.

155 Open-Source 6-DoF Stylus: Aalto University's open-source Lighthouse Stylus tracks position and tilt to under 1 mm for about $155 in parts, against $5,000+ for commercial mocap.

Raspberry Pi Book Making: The Book of Making 2027 collects a year of magazine builds: origami paper circuits, a PVC-pipe underwater rover, and a first-PCB walkthrough to try.

Retro Handheld Inside NES: A dead NES-style controller hides a full ESP32-S2 emulator that plays 8-bit classics and Doom for about $17. Here is the weekend build.

DOGS2 Palm-Sized ESP32 Bench: Sergei's DOGS2 stuffs a programmable power supply, logic probe, frequency counter, and signal generator into one palm-sized ESP32 box. Build it this weekend.

Palm-Sized POV TV Raspberry: 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 in an afternoon.

Brass Raspberry Pi 5: Maker Huy Vector bent brass tubes into a frame for a Raspberry Pi 5 handheld with a 4-inch HDMI screen and an I2C keyboard. Here is how to build one.

Ben Makes Everything built a palm-sized battery bench power supply with 0.8V to 22V output, USB-C PD charging, and an ATtiny3216 running the show.

Imagine walking into your living room and finding a fully working laser tag set that nobody bought — you printed it. That is exactly what one maker pulled

In this guide, we will walk you through controlling a 28BYJ-48 stepper motor using an Arduino and a...