diy projects
Build a Digital Nose: an SGP30 Sensor That Sniffs Out Spoiled Milk
Your nose gives a yes-or-no answer. An SGP30 gas sensor gives you a number you can plot, and the whole freshness checker is a…
robotics
Ice Dart: The Drone That Spikes Itself Onto a Drifting Iceberg
Canadian roboticists built a quadcopter that lands on slippery icebergs, drives retractable spines into the ice, and hangs on at a 60-degree tilt.
news & releases
Adafruit GP8403 I2C DAC Pushes Analog Output All the Way to 10V
Most DACs cap out at 5V. The GP8403 breakout boosts to a real 0-10V analog output over I2C, which unblocks fan drivers, bias rails…
microcontrollers
Axiometa’s AX22 Shield Turns Seeed XIAO Into a Solderless Rig
Two AX22 ports, a XIAO header, and no jumper wires: Axiometa's $9.99 shield swaps breadboard spaghetti for connectors that survive a whole semester.
diy projects
This $155 Open-Source 6-DoF Stylus Replaces $5,000 Mocap Rigs
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.
microcontrollers
XCORE-VISION: Real-Time Embedded Vision, No Pi Needed
XMOS' XCORE-VISION runs YOLOv8 and MobileNetV2 on-device with an 8MP camera, landing between the ESP32-CAM and a Raspberry Pi for real-time vision.
esp32 & esp8266
MaTouch ESP32-S3 MaUWB: UWB Indoor Positioning On-Screen
Makerfabs' MaTouch ESP32-S3 MaUWB puts Ultra-Wideband ranging on a 3.95-inch touchscreen, promising a live indoor positioning demo in three minutes.
robotics
Aliensense NXS Sends mikroBUS Sensors Down One Robot Cable
Aliensense's NXS hub pushes power, video, and sensor data over a single cable up to 40m, linking mikroBUS Clicks and MIPI cameras to your…
microcontrollers
SensWear Puts an Open Source Wearable Stack on the nRF54L15
SensWear bundles an nRF54L15 board, swappable PPG, temperature and touch sensor modules, Zephyr firmware and open SDKs to fast-track wearable prototypes.
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.
esp32 & esp8266
Open RC Spotter: An ESP32 Data Logger for RC Car Racing
Open RC Spotter is an open-source ESP32 data logger that records GPS, IMU, throttle, and temperature from your RC car for pro-level lap analysis.