Search found 4 matches

by jim_king_2000
Sun Jun 16, 2019 5:57 pm
Forum: Arduino & Seeeduino
Topic: Example "MC20_GPRSHTTP" does not work on Wio Tracker
Replies: 2
Views: 790

Re: Example "MC20_GPRSHTTP" does not work on Wio Tracker

When I run the other example "MC20_SMSSend", the registration of network fails (the code is: gpsTracker.waitForNetworkRegister()). There is one interesting thing: when I installed the 4G sim card of China Telecom, the "NET" led on the board blinks. It does not blink with CMCC sim card.
by jim_king_2000
Sat Jun 15, 2019 10:46 am
Forum: Arduino & Seeeduino
Topic: Example "MC20_GPRSHTTP" does not work on Wio Tracker
Replies: 2
Views: 790

Example "MC20_GPRSHTTP" does not work on Wio Tracker

I connected my Wio Tracker board to Arduino IDE and it worked fine. And I put my 4G nano sim card into the sim socket in the board. Then I opened the example "MC20_GPRSHTTP" and downloaded the firmware into the board. The result was always failure(see below). 10:31:47.839 -> 10:31:47.839 -> Power On...
by jim_king_2000
Fri Jun 14, 2019 6:03 pm
Forum: Arduino & Seeeduino
Topic: Help! Wio Tracker board can't be programmed.
Replies: 2
Views: 710

Re: Help! Wio Tracker board can't be programmed.

Thank you, Bill. It seems works. It recovers finally.
by jim_king_2000
Fri Jun 14, 2019 5:30 pm
Forum: Arduino & Seeeduino
Topic: Help! Wio Tracker board can't be programmed.
Replies: 2
Views: 710

Help! Wio Tracker board can't be programmed.

I got my "Wio Tracker" board connect to Arduino IDE and worked fine. Until I burned a sample named "GSM_full_function_mode". Then I saw "MCU Stanby..." in the serial monitor and the board can't be burned anymore (The error message is "No device found on COM10. An error occurred while uploading the s...