We have received a review sample of an energy metering device from SeeedStudio called the XIAO 2-Channel Wi-Fi AC Energy ...

If you want to measure AC or DC current with an oscilloscope, a current clamp is a great way to do it. The clamp surrounds the wire, so you don’t need to break the connection to take your ...

But with a little sweat-equity you can fix it with this Arduino thermostat ... a unit with a low-current power switch, allowing him to use a small relay to control the AC. The control algorithm ...