We have a collection of almost 500+ Arduino projects with Code, Circuit Diagram, and detailed explanations completely free for everyone to build and learn on their own. The IR sensor has a 3-pin ...

Here is the diagram of my Arduino infrared close proximity sensor. As you can see, the core part of my experimental setup is an Arduino UNO, but other compatible microcontrollers can also be employed.

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After completing the connections, open Arduino IDE and upload the decoding ... pin 13 will turn off. The circuit diagram for home automation is shown in Fig. 5. It is built around Arduino Pro Mini ...

Arduino is a very ... a 5V battery powers the circuit. The code, without libraries, reads sensor data, converts it to a percentage, and operates the pump based on predefined moisture thresholds. The ...

Here is a simple and inexpensive Arduino based motion sensor alarm with voice alert. It can be used for security purposes. Typically, for outdoor monitoring, motion sensor alarm consists of a PIR ...

Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with the Raspberry Pi RP2040 microcontroller that makes it programmable with the Arduino IDE ...

Monitor the Output: o Open the Serial Monitor in the Arduino IDE (set baud rate to 9600). o Observe messages indicating object presence. Check the LED: o The LED should turn on when an object is ...