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…
microcontrollers
STM32 Gets One Platform: What ST’s Cortex-M Shift Means
ST is unifying STM32 around Arm Cortex-M, with new STM32A parts and a 280 MHz STM32G5. Here is a weekend plan to test what…
esp32 & esp8266
Olimex UEXT-CH390 Adds Wired Ethernet to Pico and ESP32
A 4.95 EUR open source UEXT module gives Pico, Pico 2 and Wi-Fi-only ESP32 boards a wired 100 Mbit Ethernet link. Here is what…
esp32 & esp8266
ESP32-CAM Turns a Cheap Blood Pressure Monitor Smart
Tomasz Burzy gave a secondhand blood pressure monitor Wi-Fi by pointing an ESP32-CAM at its seven-segment display. No OCR, no reverse engineering.
diy projects
Recovery Kit 3: A Dual-Battery Raspberry Pi Cyberdeck
Jay Doscher's Recovery Kit 3 packs a Raspberry Pi 4, a 13.3-inch AMOLED screen, and two 99Wh batteries into a rugged case. No soldering…
arduino
Fetch: An Arduino UNO Q Robot That Plays Ball With You
Fetch pairs an Arduino UNO Q with a custom vision model to chase a ball, scoop it up, and hand it back to you.…
diy projects
Sonicare Toothbrush NFC Chip Hacked With an ESP32-S3 and PN532
A Sonicare brush head hides a battery-free NFC chip. See how an ESP32-S3 and PN532 read its wear data and turn it into a…
diy projects
SAWbot: One-Motor Amphibious Robot Swims and Crawls on Land
SAWbot swims with a single motor and a traveling-wave membrane, hits 34 cm/s, then drives onto land on treads. Here is how a student…
diy projects
Analog Redial: ESP32-C6 Brings Rotary Phones Back to Life
An ESP32-C6, an audio codec, and a SLIC chip let old rotary phones call each other, run an answering machine, and even ring for…
esp32 & esp8266
ESP-FLUTTER: A 70 g ESP32-C3 Butterfly Robot That Flies
A 70 g ornithopter with two servos, 50 wing LEDs, and a XIAO ESP32C3 brain flaps its way into the air. See how it…
diy projects
Digital Candle: ESP32-S3 and a 3,545-Parameter AI Flame
A tiny neural network on an ESP32-S3 paints a never-repeating flame across 144 amber LEDs. See how it works and how to try a…
esp32 & esp8266
DIY Lockpicking Robot Uses ESP32-C3, Load Cells and Claude AI
An ESP32-C3, two load cells, and an AI model team up to feel and open pin tumbler locks. Here is the sense-decide-act loop worth…
diy projects
Jet Studio: Godot-Style Game Editor for ESP32 and STM32 Boards
Jet Studio turns Godot into a game editor for the Arduino Nano ESP32 and STM32F746, hitting 62 FPS on an ILI9341 SPI display. Here…