PC and LM35 Temperature Sensor based Wireless Temperature Monitoring System with AVR ATmega16 Microcontroller and 7 Segment Display using Series 2 Zig Bee

PC and LM35 Temperature Sensor based Wireless Temperature Monitoring System with ATmega16 and 7 Segment Display using Series 2 Zig Bee

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In this project, we will learn PC and LM35 Temperature Sensor based Wireless Temperature Monitoring System with AVR ATmega16 Microcontroller and 7 Segment Display using Series 2 Zig Bee. Here, we will display and monitor the temperature of the surrounding or any other material to which the LM35 temperature sensor is connected for its temperature measurement in degree centigrade wirelessly from a PC/Laptop using Zig Bee and 4 multiplexed Common Anode 7-Segment Displays.

Since the output of LM35 temperature sensor is analog in nature and ATmega16 microcontroller cannot process the analog signal directly. So, first it will convert the analog output of LM35 temperature sensor to digital values using its analog to digital converter and then it will process the digital value to convert the digital value in degree centigrade value. After converting the analog signal to digital, the ATmega16 microcontroller will send the digital value of LM35 Temperature Sensor to the Zig Bee through USART communication protocol. This Zig Bee transmits the digital value of LM35 temperature sensor wirelessly to another Zig Bee connected with the PC/Laptop. At the PC/Laptop end, Zig Bee receives the digital value of LM35 temperature sensor and transmits that to the PC/Laptop through a USB cable. In the PC, the RealTerm Software receives the digital value of LM35 temperature sensor and displays it for monitoring. Apart from PC/Laptop, ATmega16 microcontroller will display the LM35 Temperature Sensor value in 4 multiplexed Common Anode 7-Segment Displays. In this way, the temperature of the surrounding or temperature of the material to which the sensor is attached is monitored wirelessly from PC and 7-Segment Displays.

Now, lit a match stick or lighter near the LM35 temperature sensor or near the material to which sensor is attached and see the change in temperature in the PC/Laptop and 7-Segment Displays.

Softwares Required

Hardwares Required

Name	Quantity
AVR Trainer Board-100 with ATmega16	1pc
AVR USB Programmer	1pc
LM35 Temperature Sensor	1pc
Quad 7-Segment Display Board	1pc
XBee Series 2 (Configured Pair)	1pc
Zig Bee Base Board with USB Interface	2pc
12V, 1A DC SMPS Adaptor	1pc
USB AM-BM Cable	1pc
10 to 10 FRC Female to Female Connector	2pc
1 to 1 Connector-Female to Female	11pc