ESP 32 Carrier Board with Built-in Motor Driver & Battery Management for 30 Pin ESP32 Boards and NodeMCU

• Compatibility: 30-pin port for ESP32 and NodeMCU modules
• Microcontrollers supported: ESP32 (Dual-core MCU with Wi-Fi & Bluetooth connectivity)/ NodeMCU/ ESP32 Devkit V1
• Motor Driver: L298N Dual H-Bridge driver IC
• Sensor Ports Included: IR Sensors, Ultrasonic Sensor (HC-SR04), Flame Sensor, ADXL335 Accelerometer, TCS230 Color Sensor
• Power Management: CN3303 Li-ion charger IC with over-voltage and over-discharge protection
• Power Input: Detachable 3-cell 18650 Li-ion battery pack (~11.1V nominal, 12.6V max)
• Voltage Regulators: Onboard 5V and 3.3V regulators for peripherals and logic
• I/O Control: 6-pin DIP switch for selective sensor activation
• Connectivity: Dedicated pin headers for all supported sensors and modules

• Ideal for building autonomous robotics with obstacle avoidance and line-following capabilities.
• The board is an excellent resource for educational kits and hands-on learning in embedded systems and IoT.
•  Use it to prototype safety systems for fire detection and rescue robots, and advanced projects requiring remote monitoring and control via Wi-Fi and Bluetooth.

• The board is designed to work with a 3-cell 18650 Li-ion battery pack.
• The CN3303 IC handles the charging and discharging, ensuring balanced charging and protection.
• The 6-pin DIP switch allows you to toggle individual sensors like the Flame, Ultrasonic, and IR sensors.
• Connect your compatible ESP32 module to the carrier board and use the recommended pin mapping for easy integration with your code.

For a complete design overview and pin mapping, please refer to the provided design document. For detailed technical specifications of the core components, consult the official datasheets for the ESP32, L298N, and CN3303 ICs.