The Blueseeed TH Shield V2 (HM01) integrates a Serial Bluetooth module. It can be easily used with Arduino/Seeedstudio for transparent wireless serial communication. Features Seeeduino/Arduino compatible Up to10m communication distance in house without obstacle UART interface (TTL) with programmable baud rate A full set of configuration commands On board PCB Antenna Based on HM-01 Bluetooth module https://elecena.pl/product/27044960/blueseeed-shield-v2-hm01 2024-10-15 https://elecena.pl/product/27044960/blueseeed-shield-v2-hm01 2024-12-11