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Summary of Contents for Irxon BT579
- Page 1 USER GUIDE RS232 Multi-way Bluetooth Adapter Model: BT579 1, TX/RX Activity LED(Green) 2, Bluetooth Link LED(Blue) 3, Power/Charging LED(Red) 4, AT Command Button 5, DB9 Male/Female Switch 6, DB9 Port(Male) 7, Battery Power Switch 8, Type-C Power Port © IRXON Electronics Co.,Ltd...
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Page 2: Package Contents
1. Introduction Thank you for purchasing IRXON BT579 Serial Bluetooth Adapter! This product is a Bluetooth multi-channel connection product, it usually connected to serial device through DB9 port, and then connected to one or more Bluetooth master or slave devices through Bluetooth, so as to build wireless connections between the serial device and the Bluetooth devices. -
Page 3: Specifications
• Dimension and Weight: 78x34x16mm, 30g 2.2 Factory settings The factory settings of BT579 are as follows. Some settings can be modified by the user by sending AT commands to the adapter. For details, please refer to section 4.4. • RS232 Serial protocol: 9600,8,N,1 (9600 baud, 8 data bits, no parity, and 1 stop bit) •... -
Page 4: Led Indicators
DB9 devices, the switch should be slid to mark "M" side. • If you want to connect BT579 to a male DB9 device, please use DB9 gender changer in the package. In this case, the switch should be slid to mark "F" side. -
Page 5: Hardware Preparation
USB-RS232 serial cable to add a COM port to your computer. 4.2 Software preparation Many serial program can be used to communicate with BT579 adapter, we take "BT578 Tester" program as an example for demonstration. Please download the program from URL: http://www.irxon.com/download/BT578-Tester.rar, you'll get a exe file when extract... - Page 6 4.4 AT commands AT commands should be uppercase English letters, "+" is English character. At the end of AT command, a Return(Hex:0D) and a Line Feed(Hex:0A) must be added, if you use "BT578 Tester" program, just check "New Line". When the blue LED is on(one or more channel has Bluetooth link), you need to press and hold the AT command button to send AT command.
- Page 7 Changing format: AT+SENDIDn, the code n is channel ID, the value range is 0-7, 0 is the BLE channel, and the others are SPP channels. When BT579 is connected to Bluetooth devices on multiple channels, you can specify BT579 to send data to a certain channel by sending this command.
- Page 8 AT+DISC to disconnect the Bluetooth connection on all channels. 5. Applications BT579 has 8 Bluetooth connection channels and can connect to 8 Bluetooth devices at the same time. It can act as a slave, waiting for the search, pairing and connection of the Bluetooth master such as a mobile phone or computer, and it can also act as a master to search and connect to Bluetooth slaves such as IRXON BT570/BT578/BT579.
- Page 9 5.4 Connect IRXON BT570/BT578/BT579 via SPP BT579 can act as a Bluetooth master to search for and connect to Bluetooth slave devices. To connect to slave, you need to send two AT commands: "AT+INQ" and "AT+CONA" , please refer to section 4.4 for details.
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