At $20, this adds a lot of value to a smart home, especially one where Alexa devices are prominent. Beyond smart home control, you can have your remote perform other Alexa routines around lifestyle, ...

This circuit allows a 240V mains appliance to be controlled remotely via low-voltage cabling and a pushbutton switch. The mains appliance (in this case, a light bulb) is switched with a suitably-rated ...

Today we are going to explain about a simple circuit which is used to switch on/off any electrical device remotely through a relay using the normal TV/VCR/VCP/VCD remote control unit. First of all, ...