| There is often no feedback from receivers to indicate whether the command sent by the transmitter had been correctly received. In this artic...
| There is often no feedback from receivers to indicate whether the command sent by the transmitter had been correctly received. In this artic...
| The wide availability of low-cost switched mains sockets with radio remote control provides a simple way to control electrical equipment, li...
| Using a simple SMS message sent from your GSM phone, two mains powered loads may to be switched on and off independently, or programmed to d...