✍ Features for HC-06:
CSR Bluetooth Chip Solution
Bluetooth v2.0+EDR Compliant
UART interface and with baud rate setup function
Built-in antenna.
Coverage up to 30ft.
Incredible small size with 3.3V input, and RoHS Compliant
Working current: While pairing 30mA, paired 8mA
Frequency: 2.4GHz ISM band
Baud rate is 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 user manually set up.
Default Baud Rate: 9600,8,1,n
Support for 8Mbit External Flash Onboard
Support for 802.11 Co-Existence Product Description
Storage Temperature: -40 to 85 degrees Celsius
Size : 28 mm x 15 mm x 2.35 mm

✍ Features for HC-05:
Bluetooth v2.0+EDR
2.4GHz ISM band frequency
Supported baud rate: 9600, 19200,38400(default), 57600, 115200, 230400, 460800.
Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
Typical ‐80dBm sensitivity.
Up to +4dBm RF transmit power.
Power supply: 3.6V to 6V DC
PIO control.
UART interface with programmable baud rate.
Built-in antenna.
Coverage up to 30ft.
Dimension: 38mm x 15mm x 2.35mm

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▼Connection for HC-06:
VCC: positive power supply.
GND: negative power supply.
RXD: received end,Bluetooth module received data from other equipment.
TXD: sending end,Bluetooth module sending data to other equipment.

▼Connection for HC-05:
VCC: positive power supply.
GND: negative power supply.
RXD: received end,Bluetooth module received data from other equipment.
TXD: sending end,Bluetooth module sending data to other equipment.
EN:used end,need to enter mode AT with voltage 3.3V.

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???? Anything can ws us @ +6018 2870 232 ✅