Bluetooth 2.0 Module V3 For Arduino
Bluetooth 2.0 module with dual-board design for electrostatic protection, two DC power inputs, built-in antenna, DIP switch for settings, and LED status indicators.
Pinout
- GNDOfficial table 2 row 1
GND
Type · ground - VCCOfficial table 2 row 2
3.5-8V DC (When there is VCC input, 3V3 port can be used as 3.3V power output)
Type · power - NCOfficial table 2 row 3
Empty Pin
Type · pin - RXDOfficial table 2 row 4
UART Input(TTL Level), connect to MCU TXD
Type · uart - TXDOfficial table 2 row 5
UART Output(TTL Level), connect to MCU RXD
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, 3V3, GND, RXD, TXD. Schematik maps them to your board in the app.
Bluetooth
72 other optionsBLE 5-era modules (nRF52840, MDBT50Q), XIAO MG24 boards with Matter-over-Thread, Bluefruit UART/SPI bridges, HM-11 serial modules, and BLE sniffers cover different jobs and different hosts.
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