esp32 & esp8266
Build a Buzzing Hazard-Alert Wearable With an ESP32 and Gas Sensor
NC State's solar-powered patch buzzes when it senses toxic gas. Here's how to build a simpler ESP32 hazard-alert wearable this weekend.
news & releases
A NIR Wearable Patch That Watches the Brain Clean Itself
Georgia Tech's sub-centimeter forehead patch uses near-infrared light and a 110 mAh battery to track the brain's nightly glymphatic cleanup at home.
diy projects
This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control
A maker built an open-source STM32L4 smartwatch with a six-axis IMU, BLE, and USB-C mass storage, then released every line of firmware to fork.
microcontrollers
M5Stack StopWatch Dev Kit Crams ESP32-S3 Into a Smart Pocket Watch
M5Stack's $45 StopWatch Dev Kit squeezes an ESP32-S3R8, AMOLED touchscreen, 6-axis IMU, RTC, mic and speaker into a pocketwatch-sized maker board.
3d printers
Mini Spider-Man Web Slinger: Custom PCB & 3D-Printed Wrist Build
Wrist-mounted Spider-Man web slinger built from a custom PCB and 3D-printed shell, with addressable RGB LEDs and a satisfying click on each shot.