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A THEC geothermal heating system is an underground heating solution for housing. It was primarily done in hotter climates and is really good at cooling but the heating is a major drawback to its current design. Due to this, the client wanted a solution that still had roots in using the THECs as the main air cooling system with the addition of a green heating system that won't consume a lot of power. The dynamic resistor heating system (DRHS) works by calculating the voltage needed to heat resistors to the desired temperature of the user. This is then sent to the TIP120 transistor which then adjusts the voltage running in the resistors and adjusts the overall heating. There are many backups and safes if something were to go wrong which can be seen in the uploaded code below. Also, a calculator was developed to see the number of resistors needed and that respective file is linked below under project files.
To View Design Day Presentation: Design Day Pitch - Google Slides

**SPECIAL NOTE ABOUT BOM**
This BOM was made specifically to outline all of the components used, a lot of the circuitry material was already in the possession of our members. Due to this if replication of this project is wanted. Please be more accountable for your spending and use of tools.