This is a poster-sized cheat sheet for Arduino programmers. It draws primarily from the [Arduino Language Reference](http://arduino.cc/en/Reference/HomePage ...

The Lark Weather Station measures wind speed, wind direction, temperature, humidity, and air pressure through a range of sensors and connects to popular development boards such as Arduino UNO, ESP32, ...

A typical Arduino microcontroller board is pretty small, about the size of a credit card. This makes it suitable for embedding into all sorts of electronic devices. But it's possible to go even ...