A cell phone bilge alarm is a great safety feature to have on board, but how can you create one affordably? In this tutorial, you will learn how to make a DIY GSM cell phone bilge alarm. In this tutorial, you will learn how to make a DIY GSM cell phone bilge alarm. Don’t worry if you’re not up for the job there are a multitude of devices out there, and we’ve gone and listed them for you as well. Read More
