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Kevin Thomas
2026-03-19 15:01:07 -04:00
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WEEK09/WEEK09-02.md
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## Week 9
Operators in Embedded Systems: Debugging and Hacking Operators w/ DHT11 Temperature & Humidity Sensor Single-Wire Protocol Basics
### Exercise 2: Invert the Temperature Reading
### Non-Credit Practice Exercise 2: Invert the Temperature Reading
#### Objective
Using GDB to locate the IEEE-754 scaling constant `0.1f` at file offset `0x42C`, patch it to `-0.1f` using a hex editor, and verify on hardware that the serial output now displays negative temperature values.