news & releases
Circuit.Rocks Sponsors SparkFest 2026: GDG PUP Hackathon on July 9
Circuit.Rocks is an official hardware sponsor of SparkFest 2026 - the Google Developer Group PUP hackathon on July 9 at PUP Main Campus, Bulwagang…
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.
microcontrollers
Olimex PICO-EVB Turns a Raspberry Pi Pico Into a Mini-PLC
Olimex PICO-EVB turns a Raspberry Pi Pico into a real PLC: four 15A relays, optoisolated inputs, and Home Assistant support for about $17.
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.
raspberry pi
Run YOLO Vision Models on Raspberry Pi 5 Using Intel OpenVINO
Deploy Ultralytics YOLO on a Raspberry Pi 4 or 5 with Intel OpenVINO for real edge computer vision, no cloud GPU or workstation needed.
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.
arduino
Meet Pinch: A 32-Bit Arduino Board Smaller Than a Fingernail
The Moddo Pinch is a 32-bit Arduino-compatible dev board just 10.5 x 10.9 mm, packing a SAM D11, 15 GPIO pins, and an RGB…
news & releases
NVIDIA Jetson T3000 and T2000: Smaller, Faster Edge AI
NVIDIA's Blackwell-powered Jetson T3000 and T2000 pack up to 865 teraflops of edge AI into modules half the size and power of the T5000.
raspberry pi
Add LoRa Long-Range Radio to Your Raspberry Pi Pico This Weekend
Send sensor data up to 15km from a Raspberry Pi Pico with a plug-in LoRa module and a LiPo battery. A cheap weekend build…