Elecbee ESP32-WROOM-32 WiFi Bluetooth 4.2 BLE Development Board with 18650 Battery Holder and Charging Circuit

ESP32-WROOM-32 WiFi Bluetooth BLE Development Board with 18650 Battery Holder and Charging Circuit

Elecbee ESP32-WROOM-32 development board is a wireless IoT development platform integrating 2.4GHz WiFi, Bluetooth 4.2 BR/EDR, and BLE connectivity. Designed for smart home systems, industrial automation, wireless sensor networks, remote monitoring equipment, and embedded IoT applications, the board features an onboard 18650 lithium battery holder and charging circuit for portable and battery-powered deployments.

Core Technical Specifications

• Module Platform: ESP32-WROOM-32
• Product Type: Wireless IoT Development Board
• WiFi Standard: IEEE 802.11 b/g/n
• Maximum WiFi Data Rate: Up to 150Mbps
• Operating Frequency: 2.4GHz to 2.5GHz
• Bluetooth Standard: Bluetooth 4.2 BR/EDR
• Bluetooth Low Energy: BLE Supported
• Audio Support: CVSD Audio Processing
• Input Voltage: DC 3.6V to 5V
• Battery Holder Type: 18650 Lithium Battery
• Battery Charging Function: Supported During Operation
• Board Material: PCB
• Weight: Approximately 36g

IoT and Embedded Development Applications

The ESP32-WROOM-32 development board is suitable for smart home controllers, wireless sensor nodes, environmental monitoring systems, industrial automation devices, remote monitoring equipment, cloud-connected IoT devices, data acquisition systems, and battery-powered embedded applications.

Wireless Connectivity Performance

The board combines IEEE 802.11 b/g/n WiFi with Bluetooth 4.2 BR/EDR and BLE communication. This integrated wireless architecture supports device networking, sensor communication, cloud connectivity, mobile control applications, and wireless data transmission.

Battery-Powered Deployment

The onboard 18650 battery holder and charging circuit support portable operation and mobile deployment scenarios. The module can charge the battery while operating, making it suitable for wireless monitoring devices, portable gateways, environmental data loggers, and battery-powered IoT systems.

Compatibility Information

Compatible with Arduino IDE, ESP-IDF, PlatformIO, MQTT communication systems, smart home platforms, wireless sensor networks, IoT gateways, cloud-connected devices, and custom embedded development projects based on ESP32.