Adafruit Bluefruit LE SPI Friend - Bluetooth® Low Energy
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Bluetooth Low Energy module breakout with an SPI (AT-command) interface for adding BLE connectivity to microcontrollers without a free UART.
Bluetooth Low Energy module breakout with an SPI (AT-command) interface for adding BLE connectivity to microcontrollers without a free UART.
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, …
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