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…
raspberry pi
Adafruit LT8912B Turns DSI Into HDMI for Pi 5 and ESP32-P4
A small converter turns the DSI signal from a Raspberry Pi 5 or ESP32-P4 into HDMI, up to 1080p60, configured over I2C. Here is…
esp32 & esp8266
ESP32 Demoboard Adds 5 Sensor Projects: NFC, Lightning, Gestures
Five new Arduino demos for an ESP32 demoboard cover gesture sensing, lightning detection, NFC, air pressure and a PIR alarm. Pick one for your…
esp32 & esp8266
Olimex UEXT-CH390 Adds Wired Ethernet to ESP32 and Pico
Olimex's EUR 4.95 UEXT-CH390 brings 100 Mbit wired Ethernet to RP2040 and ESP32 boards, with ESPHome support. Here is a weekend plan to try…
diy projects
BEAM Robot Pet: A Solar Walker With No Microcontroller
ALTco built a battery-free robot pet that roams toward light using 74HC240 chips and coupled oscillators, no code at all. See how it works…
diy projects
Weekend Build: ESP32 Game Boy Emulator on an ST7735 LCD
Engineeroids turned a spare ST7735 LCD and an ESP32 DevKit into a Game Boy emulator on perfboard. Here is the parts list and the…
esp32 & esp8266
ESP32-S3 Flight Controller With Pixhawk-Style Ports
The Engineer built a modular ESP32-S3 flight controller with an SPI IMU, split 3.3 V rails, and Pixhawk-style JST-GH ports for any DIY RC…
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…