Paper Title
A Custom Development Board Using ESP32-S3-WROOM-1 for Motion Sensing, Data Logging, and Power Management

Abstract
The increasing need for low-power, flexible, and affordable embedded systems in the applications of IoT, edge computing, and sensor-based automation requires designing custom development platforms. This work describes the design and development of a small feature-packed development board based on the ESP32-S3-WROOM-1 module. The board combines essential peripherals like the MPU6050 inertial measurement unit (IMU), an SPI-based SD card interface for onboard storage, an RGB LED module for visual outputs, and a heavy-duty Battery Management System (BMS) utilizing TP4056, DW01A, and FS8205A ICs. By pin mapping with caution, use of modular headers, and effective power regulation, the board offers a flexible platform for real-time usage such as data logging, motion sensing, and low-power wireless communication. This article also includes a comparative literature review of analogous development endeavors and addresses the implementation difficulties, performance trade-offs, and test methodologies for ensuring functionality and stability validation. Keywords - ESP32-S3, IoT, Edge Computing, Embedded Systems, Development Board, MPU6050, IMU, SD Card Interface, Battery Management System (BMS), TP4056, Data Logging, Motion Sensing, Low-Power Design.