Handheld E-Paper Environmental Monitor and Badge
A pocket-sized handheld environmental monitor that pairs a 400x300 e-paper display with a CO2 sensor and rotary-encoder menus in a 3D-printed shell.
9 parts~$67.27#hardware build#electronics#diy
Builds
Compact Alphanumeric Split-Flap Character Module
A mostly 3D-printed split-flap character module with 38 flaps, a continuous-rotation servo, reflective code-wheel homing, and an addressable bus for chaining units.
7 parts~$15.98#hardware build#electronics#diy
Portable Retro Terminal with a Moving Camera and Rear Status Display
A portable computer pairs a seven-inch screen with physical controls, a servo-mounted camera, and a rear light matrix in a printed enclosure.
14 parts~$354.60#hardware build#electronics#diy
Screenless Dual-Camera Book Reader with Spoken Playback
Two fixed cameras capture an open book while tactile controls, page lighting, and spoken feedback make scanning and playback accessible without a screen.
23 parts~$340.60#hardware build#electronics#diy
Wi-Fi Voice Assistant with a Round Display and Phone-Based Controls
A compact voice assistant combines a microphone, speaker, animated round display, and a phone-accessible editor for conversational settings.
12 parts~$34.51#hardware build#electronics#diy
Four-Wheel Garden Rover with a Mower Deck and Watering Turret
A four-wheel garden rover combines a height-adjustable mower, hose-fed watering turret, wheel encoders, and inertial sensing on a flexible chassis.
34 parts~$885.44#hardware build#electronics#diy
Resin-Cast Wi-Fi Desk Clock with Environmental Sensing and LED Filaments
A clear resin desk clock combines temperature and humidity readings, five animated light filaments, and a proximity response with a phone-accessible page.
16 parts~$55.62#hardware build#electronics#diy
Experimental Variable-Pitch Quadcopter with Belt-Driven Rotors
An experimental quadcopter uses four belt-driven rotors and independent pitch servos to change thrust without relying only on motor-speed changes.
12 parts#hardware build#electronics#diy
CoreXY Pen Plotter with an Automatic Five-Tool Changer
A compact five-tool pen plotter with an automatic toolchanger, kinematic tool coupling, RFID-stored tool offsets, and self-calibrating XYZ alignment.
44 parts~$758.28#hardware build#electronics#diy
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