company life
300 Hours of Growth: Celebrating our Colegio de Muntinlupa Interns’ OJT Completion
The goal of Circuitrocks Philippines has never changed, which is to inspire every maker or builder. It can be in terms of supplying components…
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…
esp32 & esp8266
Hide an ESP32-C3 IR Blaster Inside a Walnut for Smart Home Control
A maker hid an ESP32-C3 inside a walnut shell to beam IR commands at gear that never got a Wi-Fi upgrade. Here is how…
news & releases
DirectHop: A 1-Gram Robot That Jumps With a DC Motor
A gram-scale robot swaps its spring for a coreless DC motor, letting researchers dial the jump height with current instead of a fixed release.
iot & smart home
IronEar’s ESP32-S3 Sensor Hears 500 Sounds, Skips the Camera
An open-source ESP32-S3 sensor node classifies 500+ household sounds on-device and reports to Home Assistant over MQTT or a private LoRa mesh.
diy projects
Flip-Dot Display Turns Fluid Physics Into Sound on a Pi Pico 2 W
A maker swapped silent LEDs for a room-filling flip-dot panel that physically clacks out real fluid physics, steered by a joystick and a hidden…
microcontrollers
AiboJam Revives Sony’s Discontinued AIBO on a $40 Fruit Jam Board
Sony's discontinued AIBO comes back as a CircuitPython recreation on a $40 RP2350 board, complete with 49 motion clips and native 3D rendering.
arduino
XGO Duck: Build an Open-Source Robot Duck with Arduino UNO Q
Luwu Dynamics built XGO Duck, an open-source, 15-servo robot duck on Arduino UNO Q with a custom IMU-equipped PCB, ready to build before Microduck…
diy projects
Raspberry Pi Pico Revives a Discontinued Heathkit Packet Radio Modem
A maker resurrected a discontinued 1980s Heathkit packet radio modem by making a $4 Raspberry Pi Pico run the exact original firmware itself.
diy projects
30 ATtiny412 Chips Recreate a 1928 Bicycle-Chain Number Sieve
Maker KB Sriram rebuilt a 1928 mechanical number sieve using 30 ATtiny412 chips and an RP2040, and the century-old math still checks out perfectly.
diy projects
Three Kids Built a Raspberry Pi 3 Underwater Camera for £130
Three kids sealed a Raspberry Pi 3 and a DS18B20 sensor in a £130 acrylic tube to log river temperature and video on their…
arduino
Arduino UNO Q Robot Talks, Dances, and Reads Your Hand Gestures
A maker built Nuvi, a talking, dancing Shiba Inu desk robot powered by an Arduino UNO Q that splits AI processing from real-time servo…
microcontrollers
CircuitPython 11.0.0-alpha.1 Adds RP2350 Sleep Alarms
CircuitPython 11.0.0-alpha.1 adds RP2350 deep-sleep alarms, wake-on-pin support, and faster USB. Here's what changed and how to flash it this weekend.
esp32 & esp8266
Off-Grid LoRa Message Board Pairs ESP32-S3 with E-Ink Display
A battery-powered desk display that receives text messages over a LoRa mesh network with no WiFi needed, plus a built-in CO2 and humidity sensor.