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
LocalDot: Give an Echo Dot a Local Home Assistant Brain
AAElectronics' LocalDot swaps an Echo Dot's mainboard for an ESP32-P4 and ESP32-S3 that talk only to Home Assistant. Here's how it works and how…
diy projects
200 A Boost Converter: Six-Phase 12 V to 48 V DIY Build
Nick Electronics built a six-phase 200 A boost converter that turns 12 V into 48 V, using aluminum-core PCBs, copper bus bars, and an…
esp32 & esp8266
ESP32-S3 vs Raspberry Pi 5: How Much Edge AI Is Enough?
A $20 ESP32-S3 camera board vs a $200 Raspberry Pi 5 AI kit on a robot mower. See which edge AI hardware your student…
raspberry pi
Pinetek IOL Core4: Add IO-Link Sensors to a Raspberry Pi HAT
A Raspberry Pi HAT with four IO-Link ports turns factory-grade sensors into a weekend project. Here is what the IOL Core4 kit includes and…
diy projects
Walnut-Shell IR Remote Built on a XIAO ESP32-C3 and Wi-Fi
A real walnut now hides a Wi-Fi infrared remote on a XIAO ESP32-C3, with four IR LEDs, a MOSFET driver and a 6-day battery.…
diy projects
DIY Brain-Computer Interface: 8-Channel EEG on an ESP32
An ESP32, an ADS1299 ADC, and a custom 4-layer PCB make an 8-channel EEG headset under $350. Here is how to scale it down…
arduino
Robodog V2.0: Arduino UNO Q Gives a DOGZILLA S2 an AI Brain
Robodog V2.0 adds an Arduino UNO Q to a DOGZILLA S2 quadruped, giving it onboard computer vision, a web control page, and an animated…
arduino
JBR-001: A Weekend Desk Robot With Vision on Arduino UNO Q
JBR-001 pairs an Arduino UNO Q with three servos, a camera, and a distance sensor to build a desk robot that recognizes objects and…
esp32 & esp8266
KryonOS Turns Your ESP32 Into a Tiny JavaScript Desktop
Tired of reflashing your ESP32 for every idea? KryonOS runs JavaScript apps on a desktop-style OS with a file manager, app store, and 3D…
diy projects
ESP32 AI Voice Assistant With Animated OLED Eyes (Whisper + GPT)
An ESP32 records your voice, asks Whisper and GPT for an answer, and talks back while an OLED shows blinking eyes. Here's how the…
diy projects
CircuitPython POV Bike Wheel: Floating Images on 6 LED Strips
Six DotStar strips, a Feather RP2040, and a magnet sensor make a bike wheel draw images in mid-air. See how the timing trick works…
diy projects
AIR PRO: Pip-Boy Air Quality Monitor on Qualia S3 + SEN66
A wooden Pip-Boy box reads CO2, PM, VOC and NOx every 2 seconds and shows one word for air quality. See how the Qualia…