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# Important: https://kno.wled.ge replaced this wiki as the primary source of documentation!
**This wiki is now read-only, please instead consider making a pull request at kno.WLED.ge to improve the WLED documentation. This is easy and only requires your GitHub account and using the pen in the top right corner of the page you'd like to edit. Thank you!** This wiki will be gradually dismantled.
**This wiki is now deprecated and read-only, please instead consider making a pull request at kno.WLED.ge to improve the WLED documentation. This is easy and only requires your GitHub account and using the pen in the top right corner of the page you'd like to edit. Thank you!** This wiki will be gradually dismantled.
## Welcome to the WLED wiki!
Unless noted otherwise, all information applies to the latest release (v0.12.0).
### Quick start guide:
**1.** Connect a WS2812B-compatible RGB(W) led strip to `GPIO2`. On most ESP8266 based development boards this pin is labeled `D4` (Note: On a NodeMCU ESP8266 Board a 4.7kOhm pullup to 3.3V might be needed, since the pin may not be pulled down to GND by the LED strip during the bootphase of the board), on ESP32 based boards use `D2` or `G2` or `2`. _If this wire cannot be kept short, use a [level shifter/translator](https://github.com/Aircoookie/WLED/wiki/Compatible-hardware#levelshifters)._ Optionally connect a normally open pushbutton to `GPIO0` (NodeMCU/Wemos pin `D3`<!-- What pin for ESP32? -->) and ground.
**Note:** Board pin naming varies depending on the manufacturer. Please use the board pinout from the _specific_ board you purchased and use the GPIO PINS to reference this guide. Make sure to connect ESP and LED-strip grounds together.
![](https://i.ibb.co/WFc797W/connections.jpg)
For _analog_ use, the IRLZ44N is a good MOSFET to use. Partial, example circuit...
![](https://i.ibb.co/nRDgrkj/image.png)
**2.** Flash the software to your ESP module! There are two options for this step:
[I just want to use WLED! (install release binary)](https://github.com/Aircoookie/WLED/wiki/Install-WLED-binary)
[I want to modify WLED (compile from source code)](https://github.com/Aircoookie/WLED/wiki/Compiling-WLED)
If everything worked the first thirty LEDs will light up in bright orange to stimulate courage, friendliness and success!
**3.** Use a WiFi device to connect to the access point `WLED-AP` using the default password `wled1234`.
You can also just scan this QR code:
![](https://i.ibb.co/h2YswXK/WLED-QR-Connect-WB.png)
Go to the IP `4.3.2.1` in your browser. You should also be able to use the embedded DNS server and connect to `wled.me` if in access point mode.
**4.** Click on the cog icon to edit settings like connecting the module to your home WiFi.
**5.** Check your router device list for the IP of the WLED device inside your local network. For easier discovery, use the WLED app! Have fun with the software!
### Default GPIO Usage:
Device | GPIO | Notes
|---|---|---|
LED Data | 2 |
LED Clock | 0 | When used
Button | 0 | Not used when using Clock line
IR Remote| 4 |
Relay | 12 |
### Software update procedure:
Method 1: Reflash the new update like a new install (see above).
Method 2: The software has an integrated OTA software update capability.
First you have to enable it by typing in the correct OTA passphrase (default: "wledota") in the settings menu.
Remove the tick in the checkbox "OTA locked". Then save settings and reboot the ESP.
Then you can select "Manual OTA update" in Security settings and upload a [release binary](https://github.com/Aircoookie/WLED/releases).
After you are done, it is recommended to lock the OTA function again.
To do so, tick the checkbox again (you can change the passphrase by typing in a new one now). Reboot.
If you try to access the update page now, you should see the message "OTA lock active".
Method 3: ArduinoOTA is also supported.
Please see https://kno.wled.ge/basics/getting-started/ for this information.