Connecting the IR remote - QvanK/WLED GitHub Wiki
Here you see the IR receiver connected to the bread board.
The pins on the IR receiver are (from left to right)
out (data) --> connected to pin GPIO15
gnd --> connected to GND
vcc --> connected to 3.3v VCC
Configuration
Open the WLED web interface in your browser, the IP address is shown on the display
Configure the IR port (Config -> LED Preferences, and scroll down) to use pin 15.
Next configure the Remote (Config -> Sync Interfaces) to use "21-key RGB"