Logical pinout · physical placement not verified

STATEHeader pin labelled STATE
Bluetooth module state/status output, visible on the official Waveshare product image header label.
Type · SignalVoltage · 3.3V / 5V board power is marked on the official image; signal level follows the module interface.
RXDHeader pin labelled RXD
UART receive input for the Bluetooth slave module, visible on the official Waveshare product image header label.
Type · UARTVoltage · 3.3V / 5V board power is marked on the official image; UART level follows the module interface.
TXDHeader pin labelled TXD
UART transmit output for the Bluetooth slave module, visible on the official Waveshare product image header label.
Type · UARTVoltage · 3.3V / 5V board power is marked on the official image; UART level follows the module interface.
GNDHeader pin labelled GND
Ground reference for the module and host UART connection.
Type · GroundVoltage · 0V
VCCHeader pin labelled VCC
Power input for the Bluetooth slave UART board. The official product image marks 3.3V / 5V operation next to the header.
Type · PowerVoltage · 3.3V / 5V

Pin	Position	Type	Function	Voltage
STATE	Header pin labelled STATE	Signal	Bluetooth module state/status output, visible on the official Waveshare product image header label.	3.3V / 5V board power is marked on the official image; signal level follows the module interface.
RXD	Header pin labelled RXD	UART	UART receive input for the Bluetooth slave module, visible on the official Waveshare product image header label.	3.3V / 5V board power is marked on the official image; UART level follows the module interface.
TXD	Header pin labelled TXD	UART	UART transmit output for the Bluetooth slave module, visible on the official Waveshare product image header label.	3.3V / 5V board power is marked on the official image; UART level follows the module interface.
GND	Header pin labelled GND	Ground	Ground reference for the module and host UART connection.	0V
VCC	Header pin labelled VCC	Power	Power input for the Bluetooth slave UART board. The official product image marks 3.3V / 5V operation next to the header.	3.3V / 5V

Logical pinout · physical placement not verified

Pin details

5 connections

STATE
Bluetooth module state/status output, visible on the official Waveshare product image header label.
SignalVoltage · 3.3V / 5V board power is marked on the official image; signal level follows the module interface.
Header pin labelled STATE
RXD
UART receive input for the Bluetooth slave module, visible on the official Waveshare product image header label.
UARTVoltage · 3.3V / 5V board power is marked on the official image; UART level follows the module interface.
Header pin labelled RXD
TXD
UART transmit output for the Bluetooth slave module, visible on the official Waveshare product image header label.
UARTVoltage · 3.3V / 5V board power is marked on the official image; UART level follows the module interface.
Header pin labelled TXD
GND
Ground reference for the module and host UART connection.
GroundVoltage · 0V
Header pin labelled GND
VCC
Power input for the Bluetooth slave UART board. The official product image marks 3.3V / 5V operation next to the header.
PowerVoltage · 3.3V / 5V
Header pin labelled VCC

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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