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
Build a Palm-Sized POV TV with a Raspberry Pi Pico
A Raspberry Pi Pico, a stepper motor, and a spinning disk of holes turn five LEDs into a pocket-sized color TV you can build…
iot & smart home
FalconS1 Pro Brings 26 TOPS of Local Edge AI to the Factory Floor
The FalconS1 Pro runs AI models right on the factory floor with 26 TOPS of local inference, no cloud round-trip, and open schematics you…
diy projects
Doom Runs on a Scratch-Built RISC-V CPU on an FPGA
An MIT student team designed a five-stage RISC-V CPU from logic gates, dropped it on an FPGA, and pushed Doom from 0.7 FPS to…
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.