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Adafruit Feather 32u4 Bluefruit LE Created by lady ada Table of Contents Overview 7 Pinouts 12 Power Pins 13 Logic pins 13 Bluefruit LE Module + Indicator LEDs 14 Other Pins 15 Top Side 15 Bottom Side 15 Assembly 16 Header Options 16 Soldering in Plain Headers 19 Prepare the header strip: 19 Add the breakout board: 20 And Solder 20 Soldering on Female Header 22 Tape In Place 22 Flip & Tack Solder 23 And Solder 24 Power Management 25 Battery + USB Power 26 Power supplies 27 Measuring Battery 27 ENable pin 28 Alternative Power Options 28 Arduino IDE Setup 29 Using with Arduino IDE 32 Install Drivers (Windows 7 Only) 33 Blink 35 Manually bootloading 36 Ubuntu& Linux Issue Fix 37 Installing BLE Library 37 Install the Adafruit nRF51 BLE Library 37 Run first example 38 Uploading to the Feather Bluefruit LE 40 Uploading to a brand new board/Upload failures 41 Run the sketch 42 AT command testing 43 Configuration 45 Which board do you have 45 Bluefruit Micro or Feather 32u4 Bluefruit 45 Feather M0 Bluefruit LE 46 Bluefruit LE SPI Friend 46 Bluefruit LE UART Friend or Flora BLE 47 Configure the Pins Used 47 Adafruit Industries Page 2 of 193