With just an Arduino UNO R4 and a few lines of code, you can make that happen—no expensive GSM module required. To make Arduino send a text message to your phone without using a GSM module, you don’t ...

This tabletop clock is built using 3D-printed parts and powered by an Arduino Uno, three 12V stepper motors and a DS3231 ... Each version introduced key improvements in design, 3D printed components ...