Logical pinout · physical placement not verified

ENHeader pin labelled EN on official product image
Enable/control input for the Bluetooth master UART board, transcribed from the official Waveshare product image header label.
Type · ControlVoltage · Board product page describes UART Bluetooth master/host interface; electrical level follows the module interface.
STATEHeader pin labelled STATE on official product image
Bluetooth module state/status output, transcribed from the official Waveshare product image header label.
Type · SignalVoltage · Signal level follows the module interface.
RXDHeader pin labelled RXD on official product image
UART receive input for the Bluetooth master/host module, transcribed from the official Waveshare product image header label.
Type · UARTVoltage · UART level follows the module interface.
TXDHeader pin labelled TXD on official product image
UART transmit output for the Bluetooth master/host module, transcribed from the official Waveshare product image header label.
Type · UARTVoltage · UART level follows the module interface.
GNDHeader pin labelled GND on official product image
Ground reference for the module and host UART connection.
Type · GroundVoltage · 0V
VCCHeader pin labelled VCC on official product image
Power input for the Bluetooth master UART board, transcribed from the official Waveshare product image header label.
Type · PowerVoltage · Board supply input, exact voltage not asserted from text; use the vendor hardware documentation before applying power.

Pin	Position	Type	Function	Voltage
EN	Header pin labelled EN on official product image	Control	Enable/control input for the Bluetooth master UART board, transcribed from the official Waveshare product image header label.	Board product page describes UART Bluetooth master/host interface; electrical level follows the module interface.
STATE	Header pin labelled STATE on official product image	Signal	Bluetooth module state/status output, transcribed from the official Waveshare product image header label.	Signal level follows the module interface.
RXD	Header pin labelled RXD on official product image	UART	UART receive input for the Bluetooth master/host module, transcribed from the official Waveshare product image header label.	UART level follows the module interface.
TXD	Header pin labelled TXD on official product image	UART	UART transmit output for the Bluetooth master/host module, transcribed from the official Waveshare product image header label.	UART level follows the module interface.
GND	Header pin labelled GND on official product image	Ground	Ground reference for the module and host UART connection.	0V
VCC	Header pin labelled VCC on official product image	Power	Power input for the Bluetooth master UART board, transcribed from the official Waveshare product image header label.	Board supply input, exact voltage not asserted from text; use the vendor hardware documentation before applying power.

Logical pinout · physical placement not verified

Pin details

6 connections

EN
Enable/control input for the Bluetooth master UART board, transcribed from the official Waveshare product image header label.
ControlVoltage · Board product page describes UART Bluetooth master/host interface; electrical level follows the module interface.
Header pin labelled EN on official product image
STATE
Bluetooth module state/status output, transcribed from the official Waveshare product image header label.
SignalVoltage · Signal level follows the module interface.
Header pin labelled STATE on official product image
RXD
UART receive input for the Bluetooth master/host module, transcribed from the official Waveshare product image header label.
UARTVoltage · UART level follows the module interface.
Header pin labelled RXD on official product image
TXD
UART transmit output for the Bluetooth master/host module, transcribed from the official Waveshare product image header label.
UARTVoltage · UART level follows the module interface.
Header pin labelled TXD on official product image
GND
Ground reference for the module and host UART connection.
GroundVoltage · 0V
Header pin labelled GND on official product image
VCC
Power input for the Bluetooth master UART board, transcribed from the official Waveshare product image header label.
PowerVoltage · Board supply input, exact voltage not asserted from text; use the vendor hardware documentation before applying power.
Header pin labelled VCC on official product image

Start wiring

UART · SPI · 3.3 V · 5 V · Breakout

Seeed describes MDBT50Q-1M and MDBT50Q-P1M as Bluetooth 5.0 / BLE modules based on Nordic nRF52840, with GPIO, SPI, UART, I2C, I2S, PWM, …

Module pins: VCC, GND, STATE, RXD, TXD. Schematik maps them to your board in the app.

Bluetooth

70 other options

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