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Versatile ESP32-C3 Board with Wireless Connectivity
This project involves creating a compact ESP32-C3 PCB that includes the following features:
16MB NOR Flash: For ample storage space.
Switching Regulator: Operates with an input range of 1.8V-5.5V.
TP4056 Battery Charger: Supports 130mA charging with pass-through charging capability circuit.
0.96-inch OLED Display Pinout: For connecting a small display.
USB-C Connector: For power and data transfer.
JST Battery Connector: For easy battery integration.
2.4GHz Antenna: Provides Wi-Fi and Bluetooth connectivity.
MPU6050 IMU: An accelerometer and gyroscope module interfaced via I2C.
Pinout for Speaker and Vibration Motor: To add audio and haptic feedback capabilities.
The PCB is designed with a SIG (Signal), PWR (Power), GND (Ground), SIG (Signal) stack-up, ensuring minimal and low-speed routing on Layer 1 because of the lack of a close ground plane unlike L4 which has ground right under it allowing for less impedance on traces.
Project Purpose:
The goal of this project is to develop a small, versatile ESP32 board with wireless connectivity that can serve multiple purposes. It could function as a pedometer, smart watch, dashboard displaying statistics from HTTP requests, or a device for collecting acceleration and gyroscope data via Bluetooth.
Motivation:
I embarked on this project because I am fascinated by the idea of a multi-functional board that offers flexibility for various applications. Initially, my focus is to display widgets and retrieve sensor data. However, the potential uses of this board extend far beyond these initial applications, offering endless possibilities for future projects.
Functionality:
The board operates by leveraging the ESP32-C3’s capabilities for wireless communication and data processing. The built-in 2.4GHz antenna facilitates Wi-Fi and Bluetooth connectivity, enabling seamless data transmission. The TP4056 battery charger ensures the device remains powered while the MPU6050 IMU provides precise motion sensing data. The OLED display can show real-time data or other relevant information, making it a handy interface for users.
Versatile ESP32-C3 Board with Wireless Connectivity
*PCBWay community is a shared platform and we are not responsible for any design issues.
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Engineer Jun 04,2024
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