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10 CY3270 PSoC® FirstTouch™ Guide, Document # 001-15945 Rev. **
Getting Started
2.4.2 Temperature Sensing Demonstration
The temperature sensing demonstration shows how to use a temperature sensor to control LED
color. Follow the CapSense Touch Sensing based guidelines in section 2.5 Exploring the FTMF
Expansion Card Demonstration Projects to simulate, build, and program the FTMF Expansion Board
with the temperature sensing demonstration. Touch the temperature sensor (see Figure 2-1) and
notice how the LED color changes. Removing your finger leads to the LED color slowly reverting
back to its initial state. The CY8C21434 PSoC that resides on the FTMF Expansion Card detects the
temperature and controls the LEDs output.
Figure 2-3. Temperature Sensing Demo Schematic