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Old May 27, 2011, 03:14 PM
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in order to have very cheap GPS chips - wouldnt it be possible to get a 5euro GPS mouse or simliar, and take the chip out, as we did with wmp and nunchuk?
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Old May 27, 2011, 03:36 PM
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Quote:
Originally Posted by alteskind View Post
in order to have very cheap GPS chips - wouldnt it be possible to get a 5euro GPS mouse or simliar, and take the chip out, as we did with wmp and nunchuk?
5???
Where did you see that? Have a link?

Sure, if we find something appropriate we could try to make it work...
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Old May 27, 2011, 04:18 PM
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He may ment something like that

http://cgi.ebay.de/GPS-Maus-Royaltek...item53e74b8b95
or that
http://cgi.ebay.de/HOLUX-GM-210-GPS-...item2a0fcf4d0c
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Old May 27, 2011, 07:30 PM
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i will be off the next days till monday evening, will be on tour.
Just to let you know, i can not be that responsive till tuesday.
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Old May 28, 2011, 03:37 AM
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Yah, I saw these meanwhile. But they won't be working for our purposes. Too old, too slow, too few channels and update rates.

Oleg recommends a minimum of 4Hz update rate and 40 channels...
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Old May 28, 2011, 05:01 AM
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I have a question, I want to add a GoPro Gimbal, but I'm not sure where the two servo connections need to go to. I have now connected them to "14" and "15" just below AUX1 and AUX2, is that correct? are the GND and VCC pins connected on 14 and 15? I have tried the latest MultiWii dev version, but I can't get it to work even after enabling it in the MultiWii GUI.
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Old May 28, 2011, 07:27 AM
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Originally Posted by kinderkram View Post
Yah, I saw these meanwhile. But they won't be working for our purposes. Too old, too slow, too few channels and update rates.

Oleg recommends a minimum of 4Hz update rate and 40 channels...
hm, then 22 euro included worldwide shipping is the cheapest i found.

(for germans: gerade so unter der zoll/umsatzsteuer grenze...ist also der endpreis )

http://www.dealextreme.com/p/tpe-usb...-laptops-47927

shipping usually takes a month

info chipset :
http://www.u-blox.com/en/gps-chips/s...ubx-g5010.html


might that one work?
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Old May 28, 2011, 11:26 AM
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Quote:
Originally Posted by rvbcrs View Post
I have a question, I want to add a GoPro Gimbal, but I'm not sure where the two servo connections need to go to. I have now connected them to "14" and "15" just below AUX1 and AUX2, is that correct? are the GND and VCC pins connected on 14 and 15? I have tried the latest MultiWii dev version, but I can't get it to work even after enabling it in the MultiWii GUI.
Pin 14 & 15 are the inputs for camera roll & pitch.

Try pins 45 & 46 instead.



Regards
B.
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Old May 28, 2011, 11:42 AM
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That looks more like it!
4Hz update rate, 50channels and UBlox chip meet the requirement.

I ordered several times from DE. It took 2 weeks once, usually 2-3 weeks.

Perhaps we can source the single chip somewhere else?
Quote:
Originally Posted by alteskind View Post
hm, then 22 euro included worldwide shipping is the cheapest i found.

(for germans: gerade so unter der zoll/umsatzsteuer grenze...ist also der endpreis )

http://www.dealextreme.com/p/tpe-usb...-laptops-47927

shipping usually takes a month

info chipset :
http://www.u-blox.com/en/gps-chips/s...ubx-g5010.html


might that one work?
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Old May 28, 2011, 02:39 PM
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Found the Ublox online shop. But prices are pretty high - starting at 75Euros.

http://shop-emea.u-blox.com/abashop?...e&hi=2.00&hl=1
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Old May 28, 2011, 04:26 PM
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yeah the specs are bad. saw the ublox prices too, a bit high.
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Old May 28, 2011, 07:40 PM
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There is FF IMUS available in the shop now. Limited qty, so get them while they last....

www.viacopter.eu
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Old May 29, 2011, 03:00 AM
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Quote:
Originally Posted by kinderkram View Post
Found the Ublox online shop. But prices are pretty high - starting at 75Euros.

http://shop-emea.u-blox.com/abashop?...e&hi=2.00&hl=1


can be easily modified to TTL. You save 10€


- > http://www.elv.de/output/controller....&detail2=23920 ED; noch einen -> http://www.conrad.biz/ce/de/product/373238


how about this?


- > http://www.dealextreme.com/p/em-411-...-chipset-80037 - > http://www.rcgroups.com/forums/showp...12&postcount=2


GPS Module mit Skytraq Venus 6 Chipsatz
- > http://www.perthold.de/BINARY/gps-st22.pdf
- > http://www.mikrocontroller.net/topic/151330 - > http://www.perthold.de
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Old May 29, 2011, 10:09 AM
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MediaTek MT3329

HI ,
is this OK ?
http://shop.trenz-electronic.de/cata...?cPath=105_139

based on MediaTek single chip architecture (MediaTek MT3329)
super low power consumption with SMPS (switching mode power supply) and power saving management
acquisition: 30 mA typical
tracking: 24 mA typical
small dimension: 16 x 16 x 6 mm
integrated ceramic GPS antenna
external antenna I/O support; SPDT (single pole, double throw) auto-switching; short-circuit protection
horizontal position accuracy: < 3m CEP (circular error probable 50%) without SA (selective availability)
ultra-high sensitivity: -165 d Bm (reference to GPS chip specification)
L1 frequency, C/A code, 66-channels satellite searching
fix update rate: up to 10Hz
DGPS (WAAS/EGNOS/MSAS/GAGAN)
RTCM support (option)
AGPS support for fast TTFF
multi-path detection and compensation; E-GSM-900 band rejection
magnetic variation support (configurable by customized firmware)
1-PPS support for timing applications
UART (TTL); integrated USB (Windows and Linux drivers)
protocols: NMEA 0183, PMTK, binary, PGTOP (1-sentence)
RoHS, REACH, E911 compliant

As an official GlobalTop distributor, we will be happy to quote a price for your volume order.

Bye
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Old May 29, 2011, 10:24 AM
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looking very good thanks for the info
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