March 2020
Parts for the water alarm
March 14, 2020
Last time we sorted out the front end of circuit, so now lets pick the last of our parts. To start, lets pick our battery. For this project, we're going to use a 9V battery. We are choosing 9V because it's easily connected with a snap on terminal and doesn't need a holder (you can […]
Water Alarm Design
March 6, 2020
In our last post we outlined what we wanted the water alarm to do, so now its time to plan our design. Lets dive right in. Above you can see a simple block diagram of what we are building, and the most important part is the transistor. Its job is to turn on in the […]