Learn how to submit your Arduino-based project. It may even get featured on the Arduino social channels!

This project uses the Arduino Nano 33 IoT, the Arduino IoT Cloud, E1.31 (streaming DMX) and Alexa to control 12 volt WS2811 LEDs.

Learn how to control your MKR RGB Shield using Arduino IoT Cloud and Amazon Alexa.

Learn how to use Arduino IoT Cloud and Amazon Alexa to interact with your sensors.

Double helix boat, controlled by Arduino IoT Cloud with siren, patrol LED and laser cannon.

Easy way to control Adobe Photoshop using Arduino HID Functionality - Make it easier for you to edit images in photoshop!

Get the temperature, humidity and barometric pressure with a very simple circuit and using the free MQTT service io. adafruit. com

My first project running on a lithium ion battery is here: an IOT device that not only detects if there is water but sends data to the cloud

This device allows me to detect if the spool ran out of filament or if the print head is clogged !!

Using 2 micro controllers, 2 boards communicating with a personal protocol, it really is Over engineered but useful nonetheless

Learn how to use Arduino IoT Cloud and Amazon Alexa to switch the channel, adjust the volume and turn on or off any TV.

Use the Arduino IOT Cloud to set a temperature goal and switch a red and green LED on /off to represent

An IoT controlled LEGO Tram that can move forward and backwards, and also has individually controllable LED channels.

This weekend you can make your next cocktail party an even bigger success by building this DIY Cocktail Mixer using Arduino.

Control the number of customers in a store using a phone app to ensure social distancing.

Set your alarm via Arduino's IoT Cloud and start your day right on time.

IoT device to remotely monitor pressure (0-150 psi) using cellular data. Get notifications for pressures above/below high/low set-points.

Step aside, an amazing six-wheel off-road robot coming through! Check out this Arduino-based wireless surveillance DIY RC robot.

Using the Arduino Cloud API to obtain IoT data for your MIT App Inventor apps.

Sigfox is a French company founded in 2009 that builds wireless networks to connect low-energy objects.

Group all the information collected by a MKR WiFi 1010 + MKR ENV Shield in a single, web-based dashboard.

Tito is a Bi-ped, dancing DIY robot, derivative from Zowi and Bob. Basically has been adapted to a standard Arduino UNO board.

Reducing the current drain is a must especially for the LoRa Version of the MKR Series. But there are some pitfalls which must be avoided.

If you want use two Arduino, you can use a simple I/O port to communicate. The point of question is the Ground.