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
Portable Commodore 64: A Raspberry Pi Retro Handheld
A YouTuber packed a full Commodore 64 into a pocketable Raspberry Pi handheld, complete with a real keyboard, joystick ports, and a Pi Pico…
diy projects
Raspberry Pi 3 Powers This Pocket-Sized Commodore 64 Handheld
A YouTuber squeezed a full Commodore 64 into a Raspberry Pi 3 handheld, using a Pi Pico to bridge 9-pin joysticks and VICE to…
microcontrollers
Nordic nRF54L15 Discovery: Two Open-Hardware Boards, One PCB
Icy Electronics' nRF54L15 Discovery packs a Cortex-M33, a RISC-V coprocessor, and a snap-off CMSIS-DAP debugger onto one open-hardware PCB for $27.19.
iot & smart home
A Raspberry Pi and YOLOv8 Read This Gas Meter Automatically
Cian Gallagher trained a YOLOv8 Nano model on a Raspberry Pi 4 to read his gas meter automatically and log it to Home Assistant.…
diy projects
A Raspberry Pi Zero Clock That Sets Itself and Never Drifts
A Raspberry Pi Zero and a red 7-segment display make a desk clock that syncs over NTP and never needs setting. Here's how the…
diy projects
Build a Portable Commodore 64 Handheld With a Raspberry Pi 3
Retro Dad packed a full Commodore 64 into a handheld using a Raspberry Pi 3, a Pico joystick translator, and zero soldering. Here is…
arduino
Arduino UNO Q Smart Doorbell Keeps Your Video Off the Cloud
An open-source Arduino UNO Q doorbell runs person-detection AI on-device and pushes snapshots over Telegram, no cloud servers required.
arduino
Build a No-Solder RetroArch Handheld with the Arduino UNO Q
Zalmotek's Arduino UNO Q handheld runs RetroArch using only off-the-shelf modules, so you can build a portable emulator this weekend with almost no soldering.
microcontrollers
CircuitPython 10.3.0 Alpha 4 Brings Audio Effects to RP2040
CircuitPython 10.3.0-alpha.4 adds new audio effects to RP2040 and RP2350 boards, three settings.toml keys, and an SPI baudrate change worth knowing.
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.