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Serial TTL Bluetooth module

Ask a question SKU:WER-U-0815 Sold:10 Weight:0.012Kg
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As we know TX and RX are LVTTL, meaning 3.3V signals.  But this module can directly connect to  5V TTL signals (take Arduino for example) without any problems, and you don’t need to worry any damages, it will never happen, it is therefore highly recommended to use transistors to interface with a 5V TTL signal.

 
Package list:

1 x  Serial TTL Bluetooth module

Serial TTL Bluetooth module
Serial TTL Bluetooth module
Serial TTL Bluetooth module
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