IR Sensor Pinout. The IR sensor has a 3-pin connector that interfaces it to the outside world. The connections are as follows: VCC is the power supply pin for the IR sensor which we connect to the 5V ...

In the below image, you can see the actual hardware setup developed by using our Arduino sensor circuit diagram as a reference. ... This line defines “SENSOR_1_PIN” as pin 2 and “SENSOR_2_PIN” as pin ...

Arduino based Fire Alarm – Circuit and Working. Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...

Fig. 2: Circuit diagram of a wireless sensor node. As shown in circuit diagram of a sensor node in Fig. 2, there are only five major components in the transmitter circuit: 1. Sensor DHT11 that has ...

Besides the Arduino Nano, I used an ultrasonic sensor and an infrared sensor module. Description: The infrared sensor module detects the movement, which will wake up the Nano from sleeping and the ...

This repo is about receiving data from an IR sensor and display robotics eyes on an OLED 128x64 display using ESP32. ... There are many benefits for using ESP32 than Arduino Nano.It is much faster, ...