PANIC ALARM - ARDUINO // // by T.K.Hareendran // int rlyPin = 12; // Relay Output Pin int sensPin = 2; // Switch Input Pin int ledPin = 13; // LED output Pin int pzSpeaker = 10; //Piezo-speaker Output ...

When developing electronic projects, the power supply is one of the most important part of whole project and there is always need of multiple output ... Female Burg pins depending upon the ...

GNDis the ground pin of the Sound Sensor module and it should be connected to the ground pin of the Arduino. DOUTis the Digital output pin of the board ... approximately. The schematic diagram for the ...

The ExtraCore library comes from [Dustin Andrews], and allows anyone to control the input and output pins of two Arduinos with the same ease as a single Arduino. The hardware setup is fairly ...

Make the connections carefully as shown in the schematic in Fig ... are connected to Arduino digital pins D7, D6, D5, D4, D3, D2. The output of the temperature sensor LM35 is connected to Analogue pin ...

5V from an Arduino output pin) and measure how long it takes to reach 63.2% of that voltage. So we need a reference voltage of 5 * 0.632, namely 3.16V. The internal analogue comparator is used for ...

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

This project implements a timer on an Arduino Mini that toggles an output pin for controlling a load (e.g., lamp, relay) for 3 hours ON and 3 hours OFF in a loop. The circuit uses a transistor to ...