Nexus Byte2Fly, an innovative, butterfly-shaped modular learning kit designed to make electronics and IoT education more accessible and engaging. The kit is divided into three clear parts, ByteSense, the input wing that holds input devices, including push buttons and sensors. ByteAct serves as the output wing that manages actuators and displays. The central body supports flexible microcontroller options, including Arduino Uno, ESP32, and Raspberry Pi Pico.