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…
microcontrollers
ChronoWatch X2040: An RP2040 Smartwatch That Just Tells Time
An RP2040 and a Waveshare round touchscreen become a distraction-free smartwatch, coded in C on the Pico SDK with custom touch handling and swappable…
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.
diy projects
Building a Handheld Commodore 64 on a Raspberry Pi 3 and Pico
Retro Dad packed a full Commodore 64 into a Raspberry Pi 3 handheld, with real joystick ports, a Pico signal bridge, and no soldering…
esp32 & esp8266
M5Stack PowerHub: An ESP32 Dev Kit That Smartly Manages Power
M5Stack's PowerHub pairs an ESP32 with an STM32 coprocessor and INA226 sensors to measure and switch power per channel, all from a Sony NP-F550…
diy projects
Build a Spinning Mechanical TV with a Raspberry Pi Pico
A Raspberry Pi Pico, an A4988 stepper driver, and five LEDs turn a spinning pin-holed disk into a real 20-row video display. Here is…
news & releases
AI Projects with Raspberry Pi: Run Local Models on a Pi 5
A new Raspberry Pi Press book walks you through running computer vision, local LLMs, and gesture recognition on a Pi 4, 5, Pico, and…
diy projects
Build a Handheld Commodore 64 With a Raspberry Pi 3 and Pico
A Raspberry Pi 3 and a Pi Pico turn a printed case, an Xbox Chatpad, and a VICE emulator into a pocketable, solder-free Commodore…
diy projects
Powered by Raspberry Pi: Smart Vivariums to Drone Shows
From reptile vivariums to Olympic drone shows and a 33-pound RP2350 kit, here's what the newest Powered by Raspberry Pi hardware can teach makers.
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…