Connecting the QT Py to the internet

We’ve chosen to use the Adafruit QT Py ESP32-S2 board for a few reasons, such as its small form factor, the huge number of accessible pins, the ability to expand our circuits easily and quickly with STEMMA QT connections, but also because it is an internet-capable board. A STEMMA connection is a three- or four-pin JST PH connector that manufacturers have been putting on boards over the last few years to make connecting components quicker. The four-pin version is for I2C use.

We will create a way for our friends and families to send colorful feelings to us, or if we give the wearable to a loved one, for us to send colors to them. This will be done using an IoT service. To do this, we will have to follow a few steps to create and use an online service, https://io.adafruit.com/, to make a connection. There are other services available – however, this service has a lot of support and users, so it is a good place to start. Let’...