NodeMCU V3 ESP8266 Pinout
Great microcontroller, bought it at az-delivery.de (no ref link). The onboard LED pin is 2 (GPIO 4).
We need a bigger boat – Raspberry Pi Zero, Zero 2 and Raspberry 4 pinouts
As all the Raspberry Pis have the same pinout – here is a overview valid for all of them. Thank you pinout.xyz for your great service! The HDMI and USB ports are on the left, the SD card slot on top and the pins on the right.
Say hello to my little friend – D1 mini pinout
Thank you AZ-Delivery for this pinout! And thanks for best prices for this. They have got some really good offers here: https://amzn.eu/d/2ZqjALZ (no affiliate link) The onboard LED is at GPIO 2. Checkout Random Nerds Tutorials for which GPIOs to use.
A tiny multitalent: Raspberry Pico Pinout
The pinout of Pi Pico and Pico W are the same. Just the onboard LED has changed. See below.