Arduino simplifies things by only using just one coding language. Here's what you need to get started with developing software for the tiny device.

The sketch he’s using allows him to stream g-code to the popular prototyping platform, freeing him from needing a dedicated PC.

Click Sketch > Verify / Compile to make sure the code is properly in there. Save the file and then attach the Arduino to your computer with the USB cable. Click File > Upload.

Electron is the followup to Particle's Photon, a Wi-Fi based device with similar capabilities. Both Photon and Electron can use Arduino "sketch" code or code written in Particle's own development ...

This section of the code (and one line in the interrupt function) is admittedly not very Arduino-like, directly accessing hardware features in a non-portable manner.

To make that actually work, Robofun paired an Arduino board with some capacitive controllers for the base, and connected that to a Raspberry Pi that linked the keyboard to the TV.

The Code Kit is an Arduino system in a box. It comes with a small rechargeable battery that can power an Arduino-based CodeBit with three inputs and three outputs.

Hands on with Electron, the cellular mobile Arduino-like controller thing Hardware with services lowers learning curve of adding cloud and app connections to devices.