CB-LC-2000 --- Connection Board for LC-2000(PA)-P2P
One the CB-LC-2000 , here have two buttons and 3 Leds , the function as below:
1, DTR Button: press this button to pull DTR pin low, in SLAVE side you should see DTR LED is OFF. When you connected SLAVE to a UNO R3 , you can reset the UNO by press this button.
2, CFG button: this button is connected to FUN pin , when you want sent configuration command from PC to Module , you can press and hold this button , and then sent command from the PC. Long press this button , the module will entry pairing mode.
3, DTR LED: indication DTR pin’s status , when you press DTR button on MASTER side , the SLAVE side LED will be OFF.
4, BUSY LED: indication BUSY status, this LED light means module is busy.
5, POWER LED: when module powered the LED will be light.
If you only use LC-2000(PA)-P2P for normal UART communication , it no matter who is master and who is slave.
If user use it with Arduino and want to upload sketch by remote , the PC side must use Master and Arduino side must use Slave.
LC-2000-P2P: 0dBm, Low power , 20 to 30m distance( Click to View )
LC-2000PA-P2P: 20dBm , 200 to 300m distance( Click to View )