Boardoza MDBT50Q Bluetooth Module
The Boardoza MDBT50Q Bluetooth Module is a high-performance wireless communication module based on the Raytac MDBT50Q series. It features the Nordic Semiconductor nRF52833 SoC and supports Bluetooth 5.2. Its compact and power-efficient design makes it suitable for applications requiring reliable, long-range, and low-power wireless connectivity, including IoT devices, smart home products, wearable devices, and industrial sensors. The module provides a UART communication interface and flexible configuration options, including selectable RC oscillators and hardware flow control. The MDBT50Q offers reliable operation and easy integration for developers working on BLE-enabled projects.

Key Features
- Bluetooth 5.2 Support: Enables high-speed, low-energy communication with extended range.
- Nordic nRF52833 SoC: Built-in ARM® Cortex®-M4 CPU with FPU operating up to 64 MHz.
- Low Power Consumption: Optimized for long battery life in portable or IoT devices.
- Flexible UART Interface: Configurable enable/disable control and flow control options.
- Selectable Clock Source: Supports external or internal 32.768 kHz RC oscillator.
- 512 KB RAM: Large memory for advanced BLE applications.
Technical Specifications
- Manufacturer
- Raytac Corporation
- Model
- MDBT50Q
- Core Chip
- Nordic nRF52833 SoC (ARM® Cortex®-M4F)
- Input Voltage
- 3.3V
- Voltage Input Type
- Standard 6-pin header (2.54mm pitch)
- Communication Interface
- UART
- Bluetooth Version
- 5.2 (Low Energy)
- Flash Memory
- 512 KB
- RAM
- 128 KB
- Antenna
- Integrated PCB antenna
- Operating Frequency
- 2.4 GHz ISM band
- Operating Temperature
- -40°C ~ +85°C
- Extended Operating Temperature
- -40°C ~ +105°C
- Board Dimensions
- 40mm x 40mm
- Functions
- Bluetooth Low Energy Wireless Module
Board Pinout
( J1 ) Power & UART Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | 3V3 | Positive Power Supply |
| 2 | UART_TX | UART Transmitter |
| 3 | UART_RX | UART Receiver |
| 4 | UART_CTS | CTS, Clear to Send |
| 5 | UART_RTS | RTS, Request to Send |
| 6 | GND | Ground |
( J2 ) Control Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | ADC | 10-bit ADC input, updated every 200ms |
| 2 | UART_PD | Active-high with internal pull-up to disable UART hardware (default: disabled) |
| 3 | FLASH_DEFAULT | Active-low (0.48s ≤ Low ≤ 1s) triggers system reset to default configuration |
| 4 | RESET | Active-low system hardware reset |
| 5 | WAKEUP | Wake-up control output from deep sleep mode |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.



