Motion sensor alarms are readily available in the market, but these are expensive. Here is a simple and inexpensive Arduino based motion sensor alarm with voice alert. It can be used for security ...

Arduino Sensor Interfacing (Flex sensor, IR Sensor, PIR ,BMP180, LM35, LM75 Refer below Tutorials for external sensor interfacing with Arduino - Visit for simillar projects at ...

The current revision of the schematic and PCB layout have changed since I etched my board. I had to update the schematic to fix a couple of bugs, and hand-patched my board. The schematic is correct, ...

This article is about making an intruder alarm using Arduino and PIR sensor ... where there is more danger of an intruder to get inside of the home. How to design a PIR Sensor based Intruder Alarm?

So in this tutorial, we are going to build a Dog Barking Security Alarm using Arduino Nano, PIR Motion Sensor, and Dog Barking Sound Module ... The module comes with a non-removable chip and ...

Automating household or office systems can be achieved using an Arduino Nano, a passive infrared (PIR) motion sensor, and a relay ... Assemble the circuit on a general-purpose PCB and connect the ...

The most common method is to use the PIR sensor ... Connect to the 5V pin of the Arduino. GND - Ground Connected to Ground pin of the Arduino. SCL – Module output (HIGH (3.3 V) motion detected/LOW (0 ...

Smart Bee Designs’ Bee Motion is an ESP32-S2 board with a PIR motion sensor ... Resources can be found on Github with a 3D printed case, JPG schematics and PCB layout, and a simple Arduino Sketch to ...