Bluetooth Basics - learn.sparkfun.com
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![Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained | Major HiFi](https://majorhifi.com/wp-content/uploads/banner-monarch-big.jpg "Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained | Major HiFi")
Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained | Major HiFi
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