- Note the default version is the data ONLY version
- the module information - ec20-dat
legecy wiki page
- https://www.electrodragon.com/w/Modem#WIN_10
Board Map
- short JP6 two-pins to enter auto boot mode
Quick Start:
- Connect USB Debug cable
- Short connect “Auto boot” and “boot” pin 2-3 seconds to auto boot up the board. (A tweezer can work fine)
- LED started to blink.
- Start to install driver, which needed on WIN10, avaialble in our git.
- Find USB AT commands port, can control it now, auto baudrate can use any you like.
Logic level selector
- 5V or 3.3V
- also can float it, it works fine
USB Debug
- plugin to have three serial port
LED Indicators
- Status
- Network_status
- Net_mode
Antenna Connector
- RF
- GPS
- Ant_Div
Pin headers
- Top
- Bottom
boot log
test with AT+CPIN?
RDY
+CFUN: 1
+CPIN: READY
+QUSIM: 1
+QIND: SMS DONE
AT+CPIN?
+CPIN: READY
OK
Demo
Code
- https://github.com/Edragon/quectel_4g