esp32 & esp8266
Proton AI Core Vision+: ESP32-S3 Board With Camera, Mic and IMU
Protonverse Labs packs a 5 MP camera, MEMS mic and 6-axis IMU onto one ESP32-S3 board. Here is what it offers and how to…
diy projects
Open GPS: A DIY ESP32-S3 Golf Shot Tracker With a Rotary Dial
Open GPS tracks golf shot distances with an ESP32-S3, a NEO-M9N GPS and a rotary dial. See how it works and how to prototype…
diy projects
Chili Pepper: An ESP32-S3 Board Built for DIY Musical Instruments
Chili Pepper packs an ESP32-S3, 24 touch inputs, a PCM5102 DAC and USB MIDI on one open source board. Here is how to prototype…
esp32 & esp8266
Scentronic: ESP32 and Gas Sensors Send Smells Over the Internet
Ohio State's Scentronic uses six gas sensors, machine learning and an ESP32 to detect a smell and recreate it remotely. Here is how to…
diy projects
Build a Motion-Triggered Haunted Box with an ESP32 This Weekend
A PIR sensor, a servo and a red LED stick turn an ESP32 into a jump-scare box. Here is the parts list and the…
diy projects
ESP32-C5 Becomes a 5.8 GHz FPV Receiver with 7 Resistors
C5VRX-5 turns a XIAO ESP32-C5 and seven resistors into a 5.8 GHz analog FPV receiver. See how it works and the resistor DAC trick…
esp32 & esp8266
ESP-Mosaico: Espressif’s $59 Board Where AI Writes the Firmware
Espressif's ESP-Mosaico pairs an ESP32-S31 with a 480x480 AMOLED so AI agents can write, flash, and test firmware on real hardware for US$59.
diy projects
Weekend Build: Give Your Plant a Tamagotchi Face with ESP32
CMU's OATs put an ESP32-S3 and E Ink face on plants and fridges. See the parts, the sub-$20 cost, and how to build a…
diy projects
Motorola T900 Pager Mod: Meshtastic Messaging on ESP32-S3
A Motorola T900 pager gets a Heltec V4 brain and LoRa mesh messaging while keeping its keyboard and LCD. See how the retro hack…
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…
esp32 & esp8266
M5Stack ToughC5: Rugged ESP32-C5 Board for Outdoor IoT
M5Stack's ToughC5 puts an ESP32-C5, Wi-Fi 6, Zigbee and a sunlight-readable touchscreen in a rugged case for $49.90. Here is what outdoor IoT builders…
diy projects
ESP32 AI Calculator V2 Reads Your Handwritten Equations
This open source ESP32 calculator has a camera and two displays, so it can read a handwritten equation and solve it with cloud or…