Project - Multifunctional Bluetooth Temperature Probe

• Multifunctional Bluetooth Temperature Probe

PROJECT DESCRIPTION

This is a small demo project I did with the MSP430 Launchpad using G2553. It consists of a main unit and a remote unit which connect to each other via Bluetooth and the remote unit periodically sends the temperature around it. The main unit also measures it's own temperature and displays it on the 16x2 LCD display. The main unit is also in charge of keeping time and displaying it on the LCD. To set the clock, a PC has to connect to the main unit through Bluetooth/USB and send the current time only once. From there, the Launchpad takes care of the rest and updates the time accordingly with the help of the 32,768 KHz watch crystal soldered to it. The main unit can also measure and display voltages of up to 9.12 V with the two probes coming out of the breadboard. 

PROJECT FEATURES:

• Measure and display local/remote temperature
• Measure and send remote temperature
• Do wireless communication over Bluetooth 9600 Baud 8N1 comm
• Measure up to 9.12 V and display on LCD
• Implements software UART

Temperature Probe in Action with narratives explaining how it works:

How it Works:

Here is a picture of the device in its prototype stage.

You can find the full project description here. You can also visit the project thread on the Texas Instruments E2E forums here.

Any questions? Let me know in the comments section.

-Anil