Search found 34 matches

by jianzhang.su
Tue Feb 23, 2016 11:00 am
Forum: RePhone
Topic: (TECH) Battery drains very quickly in Mass Storage Mode.
Replies: 2
Views: 1228

Re: (TECH) Battery drains very quickly in Mass Storage Mode.

Do you have a multimeter? Can you measure the voltage of the battery? just measure the pin 3 and pin 6 of gsm+ble board
by jianzhang.su
Tue Feb 16, 2016 10:17 am
Forum: RePhone
Topic: GSM Signal strength
Replies: 5
Views: 2210

Re: GSM Signal strength

alexandru.m.ghe wrote:Ok and how can i use it in Arduino ?
May be you can refer to the existing lib like this: ..\Arduino_IDE_for_RePhone\hardware\arduino\mtk\libraries\LCheckSIM
by jianzhang.su
Tue Feb 16, 2016 10:06 am
Forum: RePhone
Topic: GSM & GPS Antenna Replacement Question
Replies: 4
Views: 2612

Re: GSM & GPS Antenna Replacement Question

So, the GPS should be surrounded by metal?? If it just surrounded by plastic, i think it's just ok. if you insist on replacing the GPS antenna, you can just have a try and have a look the effect :D May be you can try something like this? http://www.seeedstudio.com/depot/Embedded-Antenna-UFL-for-GPS-...
by jianzhang.su
Mon Feb 15, 2016 6:14 pm
Forum: RePhone
Topic: GSM & GPS Antenna Replacement Question
Replies: 4
Views: 2612

Re: GSM & GPS Antenna Replacement Question

Hi, philipp.fruh
The antenna connector on board is MHF III, you can search for some GSM antenna on ebay which connector is matched.
About the GPS antenna, I don't recommend to disolder the chip-antenna, cause it is not designed for external antenna. Maybe you can try a antenna amplifier :D
by jianzhang.su
Sun Feb 14, 2016 6:10 pm
Forum: RePhone
Topic: (TECH)Battery Usage when the RePhone is turned off
Replies: 10
Views: 9127

Re: (TECH)Battery Usage when the RePhone is turned off

:!: The idle consumption is too high, but if you have a heat gun you can try to remove the D1 Zener diode, the idle consumption can drop to 0.3mA(3.8V) when in "OFF" mode. The Zener diode can protect the power circuit of MT2502, but the current consumption of the Zener diode is too high. Is that zen...
by jianzhang.su
Sun Feb 14, 2016 5:49 pm
Forum: RePhone
Topic: Screen stays black, checked cables etc...
Replies: 3
Views: 1782

Re: Screen stays black, checked cables etc...

Have you checked the vxp flies in the mass storge? Or have you tried to copy the lastest vxp to the mass storge?
https://github.com/WayenWeng/RePhone_Create_Kit_VXP/
by jianzhang.su
Sun Feb 14, 2016 5:08 pm
Forum: RePhone
Topic: Has there been any review of the Rephone Kit Create?
Replies: 9
Views: 6778

Re: Has there been any review of the Rephone Kit Create?

Hi, boone.daniel
You have met some problems when you used the extension board? Could you please tell us what problem have you met?
by jianzhang.su
Sun Feb 14, 2016 4:51 pm
Forum: RePhone
Topic: Testing Sensorboards
Replies: 5
Views: 2063

Re: Testing Sensorboards

After that I connected the basic shield and when I go to sensors, I don't anything in the sensors tab. anyone an idea how to check/fix this? Hi, boone.daniel You want to use the rephone kit to your own sensors? The sensor Tab on the dashboard of rephone is for the Xadow Basic Sensor. Do you have tr...
by jianzhang.su
Sun Feb 14, 2016 3:56 pm
Forum: RePhone
Topic: [Question]How to use GRPS on RePhone
Replies: 4
Views: 1687

Re: [Question]How to use GRPS on RePhone

There is an example of http in Arduino IDE and Eclipse
Arduino: ..\Arduino_IDE_for_RePhone\hardware\arduino\mtk\libraries\Network_https
Eclipse : ..\eclipse\LINKIT_ASSIST_SDK\examples\API\Network_HTTP