diy projects
ESP32 Mesh Replaces a $120k Bowling Scoring System for $1,600
An abandoned 8-lane bowling center needed an $80k scoring system. One builder replaced it with an ESP-NOW mesh of ESP32s for about $1,600 instead.
diy projects
PocketBeagle 2 Security Camera: Fully Offline, No Cloud
Build a home security camera that runs person detection on-device and never touches the cloud, powered by the PocketBeagle 2 and a custom PCB.
diy projects
Build a Fully Offline Privacy Security Camera on PocketBeagle 2
Clem Mayer built a fully offline security camera on the PocketBeagle 2 that runs person detection locally and keeps every frame off the cloud.
diy projects
Penn State’s Paint-On Electronic Tattoos Read ECG, EEG and EMG
Penn State's brush-on conductive ink turns bare skin into a washable electrode that records ECG, EEG and EMG, and even drove a robotic hand.
diy projects
Raspberry Pi Zero 2 W E Ink Typewriter: A Focused WriterDeck
A Raspberry Pi Zero 2 W and a Waveshare ePaper screen become a distraction-free typewriter, with a live word-count display and a screen that…
diy projects
Thread-Based Circuits Sew Health Monitoring Into Your Clothes
Tufts researchers built full analog circuits on a single gold-coated thread that senses breathing and blinking. Here is how to try sewable electronics yourself.
diy projects
PocketBeagle 2 Powers an Offline, Privacy-First Security Camera
Clem Mayer built a cloud-free security camera on the PocketBeagle 2 that detects people locally and keeps every frame of video at home.
diy projects
Build an Offline Privacy Security Camera on PocketBeagle 2
A weekend build: a PocketBeagle 2 security camera that runs person detection locally and keeps every frame off the cloud and under your control.
diy projects
Porting Apache NuttX to the Adafruit Fruit Jam to Run Doom
A forum maker ported Apache NuttX to the Adafruit Fruit Jam, adding USB input and a DVI framebuffer to run LVGL demos and even…
diy projects
Brass and a Raspberry Pi 5: A Handheld PC You Build Yourself
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.…
diy projects
Build a Rotating UV Flame Scanner With the UVTRON R2868
A solar-blind UVTRON R2868 phototube on a spinning platform spots flames through dense brush from 15 meters. Here's the parts list and wiring.
diy projects
Duality Canvas: Build a Wall-Sized ESP32 LED Display With WLED
Andy Huot's Duality Canvas tiles 16x16 addressable-LED PCB panels into a wall-sized display you can scale to any size, driven by an ESP32 and…