A compact ESP32-C3 keychain with animated OLED eyes that displays photos sent wirelessly from your phone, without needing a mobile app.
Arduino-based dice throwing and coin flipping simulator with 3D-printed enclosure
ESP32 + OLED in a 3D printed DIN case polling a Shelly EM on the LAN, no Home Assistant: watts, voltage, kWh history, siren, web UI.
The NU40 DK renders a Doom-style 3D world by itself at 24 FPS on a 128x64 OLED, playable with its 4 buttons.
Turn a 0.96-inch OLED into a real-time system monitor for your Jetson Orin Nano, displaying CPU temperature, usage, RAM, and IP address.
ESP32 and 1.3in OLED in a 3D printed 4-module DIN case: live watts from Home Assistant, kWh history, overload siren, web UI, OTA.
A Python script fetches stock prices and an NU40 DK shows price, % change and a mini chart on a 0.96" OLED, with LED alerts on drops.
Your webcam reads your expression in Chrome, and an NU40 DK draws a pixel cat, dog, or alien making the same face on a tiny OLED.
Play a song on your Mac and the NU40 DK's OLED shows the current lyric line and bouncing music bars, or a figure copying your dance.
Turn the NU40 DK's four buttons into Mac launch keys that open an app, a website, or your whole workspace with one press.
An NU40 DK on your desk broadcasts an iBeacon so your iPhone, the board's LEDs and your Mac welcome you as you walk into the office.
A 3D printable case for an Adafruit Monster Eye with an industrial flair!
Wire a 0.96" SSD1306 OLED to the NU40 DK with 4 jumper wires, scan the I2C bus, and print your first message on screen.
By using the boot button of the esp32 you cycle through the 4 preset cryptos. The esp32 checks the online price and updates the graf.
With the new retro-style tuning dial and improved waterfall dynamics, the user interface is now as impressive as the receiver's performanc
Build a handheld retro gaming console using Arduino R4 WiFi and a custom HAT board, no breadboard needed.
Learn how to make a simple device for monitoring the state of the ionosphere and the quality of shortwave signals using the CA3089 chip.
The three displays are with I2C communication protocol and are controlled by a single microcontroller
Hey guys, I built a wireless sensor node on the nRF54L15 Sense with Zephyr RTOS that streams audio FFT over BLE to WebUI+ IMU Data via LoRa.
Metal prices today are going to the moon. This project tracks the price of Gold, Silver, Palladium, Copper, Bitcoin and Ethereum
In this project, we interface an OLED display with an Arduino to display text and graphics.
Features manual calibration via a DPDT switch, offering simplicity and reliability. Utilizes a 3-steps-layers sandwich structure.
An AI-powered wearable companion that combines vision, environmental sensing and a smart OLED interface in one device.
Create a simple and beginner-friendly weather station using the Waveshare RP2350-LCD 📟 and DHT11 🌡️ sensor in Visuino.