Do you know of the famous WS1012 LEDs? The PL9823 is the cheapest LED that uses the same protocol of the WS1012. Let's blink LEDs!
Project tutorial by Giovanni Gentile
This tutorial shows how you can connect Arduino YUN to the Adafruit IO platform for sharing the DHT-11 sensor values.
If you want use two Arduino, you can use a simple I/O port to communicate. The point of question is the Ground.
by Giovanni Gentile
Automate your Christmas tree and get notified when motion is detected around the tree!
Project tutorial by Benny Estes
A wall of LED where you can spell out messages from the Upside-Down is the best way to impress your friends and to cheat the Demogorgon
Project tutorial by Luigi Francesco Cerfeda
This is a tutorial to show you how to connect to Blynk using an ESP8266 - 01 as an Arduino Uno wifi shield.
Project tutorial by Nolan Mathews
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