Using the currently widely used Bluetooth BLE technology, the Bluetooth master device realizes serial communication with the serial device connected to the BT580 by monitoring and writing the Bluetooth characteristic values inside the BT580.
eBay
Using the currently widely used Bluetooth BLE technology, the Bluetooth master device realizes serial communication with the serial device connected to the BT580 by monitoring and writing the Bluetooth characteristic values inside the BT580.
eBay
What you see in the images is exactly what you will receive.
eBay
The product for the USB serial port + HC06 bluetooth main module combination, operation USB can be turn a serial port from a bluetooth module to send and receive data. with four module, bluetooth status indicator light BT respectively, and the USB serial port ready indicator light D3, receiving and transmitting light TX and RX.
eBay
BT485 can be set as a Bluetooth master or slave by an Android app, and be used in a pair with one slave and one master, or in a network with one slave and multiple. The default Bluetooth role is slave, and can be set as a Bluetooth master.
eBay
eBay
Type:AM-50U Bluetooth Virtual Serial Port Adapter. 1 Adapter.
eBay
Type:AM-50D Bluetooth Virtual Serial Port Adapter. Colour:Random Color(Color is random, no specification is accepted). 1 Adapter.
eBay