Overcurrent relays with inverse definite minimum time (IDMT) characteristics are widely used in power systems to protect ...

After getting an automatic fish feeder at a discount sale (see below) I started thinking about making a simple feeder relay module using available parts. The intention was to make a universal feeder ...

I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...