The block diagram of the motion sensor alarm is shown in Fig. 2. Fig. 1: Author’s prototype Fig. 2: Block diagram of motion sensor alarm Circuit and working. The circuit diagram of the motion sensor ...

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 ...

Here is an ultra simple Arduino Night Alarm project wired around a ... Vcc (5V), Ground (0V), and Output. The output is a digital LOW or HIGH, depending on whether the sensor has detected movement. In ...

Dog Barking Security Alarm Circuit Diagram. The schematic for the Dog Barking Alarm using Arduino is given below. The Amplifier IC is used to amplify the Output from Dog Barking Sound Module. The ...

Circuit Diagram and Explanation: The circuit Diagram for arduino motion detector project by interfacing Arduino with PIR module and blinking an LED/Buzzer is shown in the below image. We have powered ...

simple circuit with an Arduino and PIR motion sensor that can detect movement. An LED will light up when movement is detected. Introducing the PIR Motion Sensor The PIR motion sensor is ideal to ...

When the PIR sensor will detect an intruder, it will send a signal to Arduino and the Arduino will sound an alarm. This circuit is very simple and will be designed on a Veroboard. ... At first, the ...

The circuit of Arduino-based shadow alarm is shown in Fig. 1. It consists of an Arduino board, power supply, light-dependent resistor (LDR) sensor, buzzer, relay driver and a few other components.