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…
news & releases
Circuit.Rocks Backs Create & Conquer 2026 as Keystone Sponsor: FEU Tech CpEO Hackathon
Circuit.Rocks joined Create & Conquer 2026, the FEU Tech CpEO hackathon, as a Keystone sponsor: monetary backing, a judging seat on Demo Day, and…
diy projects
Build a Modular x86 Cyberdeck on the LattePanda IOTA
A two-person startup built an open-source, dual-boot handheld PC on the Intel LattePanda IOTA, and the design files are heading to GitHub soon.
diy projects
ESP32 Bowling Scoring System Beats a $120K Proprietary Quote
An engineer replaced a $120,000 bowling scoring system with $1,600 of ESP32 boards, ESP-NOW mesh, and a Raspberry Pi. Here is how OpenLaneLink works.
esp32 & esp8266
An ESP32 and Eight ToF Sensors Give This Antique Lamp a Sixth Sense
A brass heirloom lamp gets eight ToF sensors, an ESP32, and a Raspberry Pi so it glows and sings when you walk near it.
diy projects
This Raspberry Pi Arcade Cabinet Exists Only for Chrome’s Dino Game
A maker turned Chrome's offline dino game into a real arcade cabinet powered by a Raspberry Pi 3, one 24mm button, FullPageOS, and a…
arduino
Arduino UNO Q Arcade Bundle Turns One Board Into a Retro Console
Arduino's UNO Q Arcade bundle turns one Linux-capable board into a RetroArch console, with snap-on Modulino controls and a 3D-printed shell.
diy projects
AirMeter: Stream an AN870 Multimeter’s LCD to Your Browser
A hacker tapped a cheap AN870 multimeter's LCD lines with an RP2040 and streamed live readings to any browser over 433 MHz. Here's how…
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.