This project demonstrates how to use MQTT to control 4 AC bulbs using the MIT App Inventor platform and NodeMCU. MQTT is a lightweight messaging protocol that is ideal for IoT applications, and ...

How to connect an Arduino to a real serial port (RS232) For the challenge, I wanted to send data from my computer's real serial port (RS232 9-pin connector). For that, I created an adaptor circuit ...

App Inventor — a Google cast-out that is now maintained by MIT — is a graphical tool that unlocks the power of an Android handset to those with the most basic of programming understanding.

How does MIT App Inventor work? MIT App Inventor begins with a tutorial that allows students to be guided into the process of basic coding without the need for any other help. As long as the student ...