esp32 & esp8266
Build a Subscription-Free ESP32 Smart Thermostat for Your Home
An ESP32, a temp sensor, an OLED and a relay board replace a subscription thermostat. Parts list, wiring notes and a split-type aircon twist…
esp32 & esp8266
M5Stack Core Matrix: ESP32 Board With a 16×16 LED Grid
M5Stack's Core Matrix packs a 16x16 LED grid, ESP32-C61, IMU and Wi-Fi 6 into one board. See the specs and three classroom-ready project ideas.
raspberry pi
Build a Solar-Powered Raspberry Pi Zero W Weather Station
Jack Young's mobile weather station runs on a Pi Zero W and a solar panel. See the IP65 enclosure lessons and how to build…
esp32 & esp8266
Sesame: The 264-Gram ESP32 Quadruped Robot That Also Flies
Dorian Todd gave his $60 Sesame walker drone motors and cut it to 264 g. See how SG90 servos, leg stops and a split…
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…