HC-05 Bluelink 5V TTL
Description: HC-05 Bluelink is a compact Bluetooth Module ( 5V Serial TTL) from rhydoLABZ. The module comes with built...
Am using this in my project. I found the key (jumper) really interesting. Opening this enters AT command mode & can short it enter normal communication mode. I referred their wiki page to get this info. I liked that tutorial. Good product.
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