Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino : ID 2746 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Shields : Bluetooth Shield (Master/Slave) for Arduino Philippines ...
Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino : ID 2746 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino : Electronics
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/i/127021/products/2018-08-10T17%3A19%3A52.594Z-IMG_0521%20-%20Copy.JPG?1606306133 "4 relay bluetooth shield for Arduino from Sumukh's DIY electronics on Tindie")