07-14-2017, 12:51 PM
look at this picture
lk3_firmware_1_39b1.bin.tar.gz (Rozmiar: 284.11 KB / Pobrań: 542)
Pin 1(UART_TX) on IDC10-1 should be 3,3V, this pin must be connected to uart_rx pin from simm900
upgrate Lk3 to this software
lk3_uart.png (Rozmiar: 76.34 KB / Pobrań: 4,950)
In LK3 menu "uart devices" you have to choose GSM SIM800L
lk3_firmware_1_39b1.bin.tar.gz (Rozmiar: 284.11 KB / Pobrań: 542)
Pin 1(UART_TX) on IDC10-1 should be 3,3V, this pin must be connected to uart_rx pin from simm900
upgrate Lk3 to this software
lk3_uart.png (Rozmiar: 76.34 KB / Pobrań: 4,950)
In LK3 menu "uart devices" you have to choose GSM SIM800L
pozdrawiam
tomek
tomek