Abstract: A system for putting a computer device into sleep mode, the system being configured to (a) activate a timer to count for a predetermined amount of time; (b) generate motion data with a radar module; (c) if motion data received from the radar module indicates that movement of a user of the computer device has been detected, then repeat steps (a) & (b); (d) if the timer has not expired, then repeat step (b); and (e) send a sleep mode instruction to the computer device.
Abstract: The present invention generally pertains to a sensor (101), more particularly the present invention pertains to sensors for saving energy, wherein the sensor (101) comprising at least one input (11) for receiving signal, at least one output (12) for transmitting signal, and at least a sensing module (14) for sequentially sensing at least one activity of a user and determining power supply to at least one appliance by tracking a sequential predetermined period of time and detecting at least one activity.