Uploaded April 2019 | Updated September 2026, 3 weeks ago

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In our previous video we had taught how to interface mlx90614 Non contact temperature Sensor module to Arduino nano and display the temperature reading on a 16x2 lcd display (youtu.be/B7Aohi5FecA)

We will continue from our previous video and we will add HCSR04 Ultrasonic Sensor to our previous project

The MLX90614 is an infrared thermometer for non-contact temperature measurements. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are integrated in the same TO-39 can. Integrated into the MLX90614 are a low noise amplifier, 17-bit ADC and powerful DSP unit thus achieving high accuracy and resolution of the thermometer.

Code and connection diagram is available on github:
github.com/stechiez/Arduino/tree/master/RemoteObject

Required Components :
HCSR04 - Ultrasonic Module: dnatechindia.com/Ultrasonic-sensor-with-PWM-output.html
MLX90614 - Non contact IR Temp sensor Module: https://www.dnatechindia.com/melexis-...
16x2 LCD: https://www.dnatechindia.com/Alphanum...
Arduino Nano: https://www.dnatechindia.com/Arduino-...
GL12 Breadboard: https://www.dnatechindia.com/BreadBoa...
Few single strand Wires


Video Library:
Arduino For Beginners | Getting started with Arduino
youtu.be/k1g4uVNTA8o

Arduino interface with 16x2 LCD
youtu.be/-GFgdmMg_SM