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Get started in 5 minutes

After this page your ESP32 will be flashed, will connect to WiFi, and will appear in portal.idryer.org with status Online. Requirements: ESP32-C3 (DevKit, Super Mini, or compatible), USB cable, PlatformIO in VS Code.

1. Prepare secrets.h

Copy examples/secrets.h.example to include/secrets.h in your project and set your WiFi SSID and password (2.4 GHz only):

#define WIFI_SSID      "your-ssid"
#define WIFI_PASSWORD  "your-password"

Add include/secrets.h to .gitignore.

2. Configure platformio.ini

Create platformio.ini in the project root:

[env:blink-demo]
platform    = espressif32
framework   = arduino
board       = esp32-c3-devkitm-1

lib_deps =
    file://path/to/idryer-core
    bblanchon/ArduinoJson @ ^6.21.0
    knolleary/PubSubClient

build_flags =
    -DIDRYER_API_BASE='"https://portal.idryer.org/api"'
    -DMQTT_USE_TLS=1

Change board to match your board. Replace path/to/idryer-core with the actual path to the library.

Copy the contents of examples/01_blink_status/01_blink_status.ino into src/main.cpp of your project. The example requires no sensors or additional dependencies — only a minimal composition root.

4. Flash

pio run -e blink-demo -t upload

5. Open Serial Monitor

pio device monitor -b 115200

Expected log sequence:

[CLOUD] Init: serial=DEVICE_XXXXXXXXXXXX deviceId=
[CLOUD] Connecting to WiFi...
[CLOUD] WiFi connected, IP: 192.168.1.42, RSSI: -47 dBm
[CLOUD] Provisioning device...
[CLOUD] Provision OK: isNew=1 isClaimed=0
[CLOUD] Registering device for claim...
[CLOUD] PIN: 1234567 (expires in 600s)

After entering the PIN in the portal (step 6):

[CLOUD] Device claimed! deviceId=...
[CLOUD] Connecting to MQTT...
[CLOUD] MQTT connected!
[RT] Cloud Online

If the device stopped at the PIN: ... message — that is expected; proceed to step 6.

6. Claim the device in the portal

Open portal.idryer.org, go to Add device, and enter the PIN from Serial Monitor. After a successful claim the device will transition to Online and the built-in LED will blink every 500 ms.

Detailed claim flow: Onboarding.

What to do next