Tutorials
Build something real.
Step-by-step guides from beginner flows to advanced programs. Each tutorial includes the complete flow JSON you can import into the editor.
Beginner10 min
Build your first flow: OLED menu with 3 options
Learn the basics. Start → Menu node → three options → LED blink, notification, and back. 10 minutes.
menuoledgpio
Beginner20 min
Turn BLUEHASH into a universal TV remote
Capture IR codes from your existing remote, save them to NVS, and replay them. Works with any TV, AC, projector.
irnvsremote
Intermediate30 min
WiFi temperature monitor with live OLED display
Connect a BME280 via I2C, read temperature and humidity, display on OLED, and POST data to an API endpoint every 30 seconds.
wifii2csensorhttp
Intermediate25 min
Capture and replay 433MHz RF codes
Record your garage door remote, doorbell, or power socket codes to SD card and replay them on demand.
rf433mhzsdcard
Intermediate35 min
BLE sensor that talks to your phone
Advertise as a BLE peripheral, read analog sensor data, and send notifications to a connected phone using BLE GATT.
blebluetoothsensor
Advanced60 min
Write a custom community program
Build a Snake game using only the HAL API. Handle the exit contract, save high scores to NVS, publish to the library.
programhalgamenvs
Advanced45 min
OV5640 camera: capture and serve images over WiFi
Initialize the camera module, capture JPEG frames, host a tiny HTTP server on the device, and view the stream in a browser.
camerawifihttpov5640
Intermediate20 min
Set up OTA firmware updates over WiFi
Configure the device to check for firmware updates from your server on boot. Deploy new flows without touching USB.
otawifiupdate