Academia.eduAcademia.edu

Figure 1 – uploaded by IJTRET-International Journal of Trendy Research in Engineering and Technology

See full PDFdownloadDownload figure
4.Front end which includes html page or mobile device having MQTT lens application which includes switch controller for fan and light. In this system, ultrasonic sensor,light dependent resistor and temperature sensor is interfaced with Arduino mega board(ATmega Atmel 328PU). This Arduino mega board is connected to MQTT server via ethernet cable. This will provide connectivity to the server to transmit the data on to the internet. This data then monitored arbitrarily using mobile device or by using MQTT lens application.

Figure 1 4.Front end which includes html page or mobile device having MQTT lens application which includes switch controller for fan and light. In this system, ultrasonic sensor,light dependent resistor and temperature sensor is interfaced with Arduino mega board(ATmega Atmel 328PU). This Arduino mega board is connected to MQTT server via ethernet cable. This will provide connectivity to the server to transmit the data on to the internet. This data then monitored arbitrarily using mobile device or by using MQTT lens application.

Related Figures (3)

The LM35-series devices are precision integrated-circuit temperature sensors, with an output voltage linearly proportional to the Centigrade temperature. The LM35 device has an advantage over linear temperature sensors calibrated in Kelvin, as the user is not required to subtract a large constant voltage from the output to obtain convenient Centigrade scaling. The features of the LM35 make it suitable for many general temperature sensing applications.
The LM35-series devices are precision integrated-circuit temperature sensors, with an output voltage linearly proportional to the Centigrade temperature. The LM35 device has an advantage over linear temperature sensors calibrated in Kelvin, as the user is not required to subtract a large constant voltage from the output to obtain convenient Centigrade scaling. The features of the LM35 make it suitable for many general temperature sensing applications.
The ATmega Atmel 328PU is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle ATmega Atmel 328PU achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. Power saving is the major important factor. It is easy to do coding for the arduino board as various libraries are available to use in the code. Test distance =(high level time x velocity o sound(340M/S)/ 2)
The ATmega Atmel 328PU is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle ATmega Atmel 328PU achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. Power saving is the major important factor. It is easy to do coding for the arduino board as various libraries are available to use in the code. Test distance =(high level time x velocity o sound(340M/S)/ 2)
Ultrasonic sensors module includes ultrasonic transmitters, receiver and control circuit. It provides 2cm- 400cm non contact measurement function. Ranging accuracy may reach 3mm. The basic working principle of Ultrasonic sensor is as ollows:
Ultrasonic sensors module includes ultrasonic transmitters, receiver and control circuit. It provides 2cm- 400cm non contact measurement function. Ranging accuracy may reach 3mm. The basic working principle of Ultrasonic sensor is as ollows:
Related topics:
Ultrasonic Sensors
580 California St., Suite 400
San Francisco, CA, 94104
© 2025 Academia. All rights reserved