Useless robots (or useless machines) are devices that, when switched on, exist only to turn themselves back off. They are fun and fairly simple builds that are easy to personify, and really invite ...

Keep in mind that for both the transmitter and receiver the connections with the Arduino are the same. You can also make connections with the help of the image given below. Connect the data pin of the ...

In this project, we have developed a Fire Alarm Detection system centered around a Flame Detector interfaced with a central control unit. The primary aim is to rapidly identify the presence of flames ...

🛠 Hardware Components Component Quantity NodeMCU ESP8266 1 IR Flame Sensor (Analog) 1 Active Buzzer 1 Breadboard 1 Jumper Wires Several 🔌 Circuit Diagram NodeMCU Pinout: Configuration Create a ...

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars… ...