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Usb Ble Dongle

An RN4871 based usb dongle. The usb interface is implemented by a CP2102N USB-to-UART device.

Features

  • Bluetooth 5 Certified
  • Easy to use ASCII command interface
  • Module certified for use in USA, Canada, Brazil, Europe, Japan, Korea, Taiwan and China
  • Supports LE Secure Connections levels 1-3
  • Supports up to 151 byte payloads with Data Length Extensions
  • Scripting features to allow for operation without a host microcontroller
  • White list for determining connections
  • MLDP compatibility with RN4020
  • Remote configuration capability
  • RX Sensitivity: -90 dBm
  • TX Power: 0 dBm
  • RSSI Monitor

Schematic

UsbBleDongle

Connector Pins

Pin Number Pin Column C
1 P0_2 AD2,LED0: Provides indication whether the module is in On/Off mode.
2 P1_2 GPIO; default: Input; pulled high,AD10; I2C SCL pin
3 P1_3 GPIO; default: Input; pulled high,AD11; I2C SDA pin
4 P1_6 Configurable pin
5 P1_7 Configurable pin
6 P2_0 System configuration input; 1: Application mode 0: Test mode/Flash update/EEPROM configuration Default: Input; pulled high.
7 P2_7 UART_TX_IND output pin. Provides indication if RN4870 is transmitting to host MCU over UART. Pulled low before UART TX begins and pulled high after UART TX is over
8 +5 Volts Connected to the Usb Vbus
9 Ground COnnected to Usb Ground

Additional Documentation

RN4870/71 Data sheet

RN4870/71 Bluetooth Low Energy Module User's Guide

Wiki