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…
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
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…
arduino
Arduino UNO Q Gets a Touch Library for Adafruit’s 2.8in TFT Shield
Old Uno touchscreen shields break on new boards when SPI pins move. This library remaps them for the Arduino UNO Q and handles FT6206…
arduino
Arduino UNO Q Controller Bundle: Knobs and Buttons for Linux
Arduino's UNO Q SBC Controller Bundle adds Modulino knob, buttons, joystick and LEDs to a 4GB Linux board. See what's inside and how to…
microcontrollers
Olimex Level Shifters Fix 3.3V to 5V Breadboard Headaches
Olimex's two new open hardware level shifters translate 1.65 V to 5.5 V on I2C, SPI and UART. Here's where they fit on your…
esp32 & esp8266
Turn Escape Room Puzzles into Home Assistant Devices with ESP32
Two open source Arduino libraries turn escape room puzzles into Home Assistant devices over MQTT. Here's the parts list and the I2C wiring to…
sensors & modules
Sipeed SLogic32U3: A 1.4 GS/s Logic Analyzer for Student Budgets
Sipeed's SLogic32U3 hits 1.4 GS/s over USB 3.2 with 32 channels and a browser app. Here is what it adds and how to learn…
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…
raspberry pi
Raspberry Pi Bootloader Now Draws Splash Screens on SPI Panels
Cyberdecks and Pi handhelds boot to a black screen for seconds. A new firmware extension paints your SPI or I2C panel straight from the…
arduino
Never Buy the Same L298N Twice: An Arduino UNO Q Parts Tracker
A maker got tired of owning eight identical motor drivers, so he built an Arduino UNO Q inventory tracker that answers one question: do…