DIY Arduino SMS Intruder Alarm Project
Nick2018-01-31T13:20:18+02:00In this tutorial, we build a very useful Arduino Intruder Alarm. The project is very easy to build and the cost of it is very low. All you need is an Arduino Uno, a GSM shield, a PIR sensor, and a DS3231 real-time clock. You can buy all these parts from the links below. The [...]