Specifications

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Index
1. Overview.........................................................................................................................................
1.1. Product introduction............................................................................................................
1.2. Feature.................................................................................................................................
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Support Bluetooth 5.0 protocol, high-speed transmission..................................................
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Support information encryption to improve transmission security;...................................
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Support low power advertising mode.................................................................................
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Support to modify the 128-bit UUID..................................................................................
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Support local and on-air configuration to adapt to different needs....................................
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Support to configure 4 GPIO as input and output..............................................................
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Support access key to improve the reliability of connection..............................................
1.3. Notice...................................................................................................................................
1.4. Typical application frame....................................................................................................
2. Hardware specification...................................................................................................................
2.1. Package................................................................................................................................
Figure 2 Package diagram........................................................................................................
2.2. Pin assignment.....................................................................................................................
Figure 2 Pin Distribution............................................................................................................
2.3. Pin definition.......................................................................................................................
2.4. Layout considerations..........................................................................................................
3. AT Command..................................................................................................................................
3.1. Basic function......................................................................................................................
3.1.1. Baud rate...................................................................................................................
3.1.2. Transmit power.........................................................................................................
3.1.3. MAC address............................................................................................................
3.1.4. Transmission speed on Bluetooth.............................................................................
3.1.5. Work mode................................................................................................................
3.1.6. Sleep.........................................................................................................................
3.1.7. Factory default setting..............................................................................................
3.1.8. Software reset...........................................................................................................
3.1.9. Firmware version......................................................................................................
3.2. Slave command....................................................................................................................
3.2.1. Advertise name.........................................................................................................
3.2.2. Advertise interval......................................................................................................
3.2.3. Advertisement type...................................................................................................
3.2.4. Slave data service UUID...........................................................................................
3.2.5. Slave TX characteristic UUID..................................................................................
3.2.6. Slave RX characteristic UUID..................................................................................
3.2.7. Slave service configuration UUID............................................................................
3.2.8. Slave TX configuration Characteristic UUID..........................................................
3.2.9. Slave RX configuration Characteristic UUID..........................................................