This paper presents a detailed Verilog HDL implementation of an I2C protocol in particular designed to interface with the ADT7420 temperature sensor on the Nexys A7 board, offering temperature readings in both Celsius and Fahrenheit scales. By addressing intricate configuration challenges, we meticulously outline our FPGA-based solution, prioritizing efficiency and reliability in data transmission. Through comprehensive experimentation, we substantiate the accuracy and versatility of our design, showcasing its potential across diverse domains such as IoT, industrial automation, and environmental monitoring. This contribution significantly propels advancements in embedded systems development, offering a robust framework for temperature sensing applications. Index Terms: I2C Protocol, ADT7420 Temperature Sensor, Nexys A7 Board, Celsius and Fahrenheit Readings, FPGA Implementation, Verilog HDL, Embedded Systems.