This document describes a radiation detector project using an Arduino Uno. The project detects radiations and frequencies in the surrounding environment using components like a radiation sensor, buzzer, LED, jumper wires, breadboard, and 220 ohm resistor. The Arduino Uno acts as the CPU to control the functions. When radioactive radiation is detected, the sensor is ionized which triggers the buzzer to beep and LED to glow, indicating the presence of radiation. The purpose of the project is to check for radiation from devices, network towers, and other radiation sources around us.