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 ...

Once upon a time, brushed DC motors were used in almost every electrical or electronic device and even in complex smart machines. But, now they are fading away ...