A tilt sensor is a sensor which opens and closes an electrical circuit when it is inclined beyond at certain angle. It can be used in tilt prevention devices, an alarm circuit and in many DIY projects ...

The author’s prototype is shown in Fig. 1. Fig. 1: Author’s prototype Circuit diagram of the optoreflective sensor is shown in Fig. 2. Output from the optoreflective sensor (IC1) is used to trigger ...

1 shows the pyroelectric/passive infrared (PIR) motion sensor used in the circuit. Fig. 1: PIR motion-sensor module Fig. 2: Circuit diagram of the infrared sensor based power saver Infrared sensor ...

and due to this output voltage LED connected to the Magnet sensor changes its state from low to high. In this project, we are using the Hall Effect sensors to detect the North Pole and the South Pole ...

Abstract: The paper presents the proposed wireless brain signal acquisition circuits for body sensor network. Considering the power-efficient communication in the ...