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…
diy projects
Build a Private ESP32 Alarm Clock With Rouse Firmware
Rouse turns an ESP32-S3 touch board or Cheap Yellow Display into a bedside alarm clock with no account, no ads and no cloud. Here…
diy projects
Build a $40 ESP32-S3 E-Reader With an E-Paper Screen
An ESP32-S3, an e-paper panel and a five-way button make a WiFi e-reader for $35 to $60. Here is the wiring, the gotchas and…
diy projects
Burninator: A Panel-Meter Kitchen Timer Built on an AVR DB
Burninator swaps buttons and screens for a vintage panel meter, an AVR DB chip, and PWM. See how the needle timer works and how…
iot & smart home
iroh Mesh Networking Lands on the RP2350 Pico 2 and Presto
iroh's Rust mesh networking stack now runs on the RP2350. See how Pico 2 and Presto boards can link directly over Wi-Fi without a…
esp32 & esp8266
Waveshare ESP32-S31-Zero: Wi-Fi 6 RISC-V Board, 28×18 mm
Waveshare's ESP32-S31-Zero fits dual 320 MHz RISC-V cores, Wi-Fi 6, Zigbee and up to 32 MB PSRAM onto a 28x18 mm board that costs…
microcontrollers
Seeed XIAO STM32C5: First ST Chip in the Tiny XIAO Family
Seeed's XIAO STM32C5 packs a 144 MHz Cortex-M33, two CAN FD buses and a heated IMU on a thumb-sized board for under $11. Here…
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…