Fig. 1: Author’s prototype Fig. 2: Block diagram of motion sensor alarm Circuit and working. The circuit diagram of the motion sensor alarm is shown in Fig. 3. It consists of a PIR motion sensor (MS1) ...

ELEGOO Mega R3 or Arduino Mega 2560 REV3 Passive Buzzer LCD1602 Module 4x4 Matrix Array Membrane Switch Keypad Ultra Sonic Sensor Female-to-Male Dupont Wires Breadboard Breadboard Jumper Wires USB ...

The circuit is infact a dark activated switch measures the ambient light level and will enable the system only when ambient light level is below a threshold value. Here an LDR (Light Dependent ...

Ultra Sonic Sensor; Female-to-Male Dupont Wires; Breadboard; Breadboard Jumper Wires; USB Wire (To connect arduino board to PC) Motion sensored alarm system using an ELEGOO Mega board and arduino IDE.

This motion detector alarm can detect a moving person from a distance of 1 meter. It uses a dual IR Transmitter-Receiver module HOA1405. When the sensor detects the reflected IR rays, alarm will sound ...

RCWL-0516 Doppler RADAR Motion Sensor. The RCWL-0516 Doppler RADAR Motion Sensor module has been designed as an alternative to the common PIR motion sensors that are widely used by hobbyists and in ...

Not only will the motion-sensing alarm If you’re looking for something to do this weekend, consider this PIR (passive infrared) Sensor Alarm project. Skip to Main Content ...

The PIR motion sensor light wiring diagram is shown below. The basic idea is to amplify the output signal from the PIR sensor to control the relay, which, in turn, switches the bulb on or off. The ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...