This document describes the design and implementation of a RF-based distribution transformer monitoring system. The system monitors key parameters like load current, voltage, and oil temperature. Sensors collect this data which is sent via RF to a central monitoring station. Parameters are analyzed to identify potential failures from overloading or overheating. The system aims to program a microcontroller to continuously monitor a transformer and cut power via a relay if unsafe conditions are detected, to protect the transformer and power distribution system. It was implemented using an ATmega16 microcontroller, sensors, RF module, LCD display, and relay to automatically monitor and shut off a transformer if parameters exceed safe levels.