The PeakTech P1073 is a €25 smart multimeter with functions like True RMS voltage, current, resistance, capacitance, ...

If you want smart light switches in your house ... It carries an SPDT relay for switching AC power, and a DC power supply to run the ESP32 itself. The controller board holds the microcontroller ...

Higher-end, so-called "smart switches" do a lot more than connect network segments. Vendors are producing switches that add a layer of security in a data center, are fault-tolerant and can ...