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| T O P I C R E V I E W |
| gpspassion |
Posted - 12 janv. 2005 : 02:30:16
The Holux website (http://www.holux.com) has just been updated to show the GR-236, their first GPS based on the new SiRFstar III chipset
BEFORE, AFTER...and AFTER!
  
http://www.holux.com.tw/Temp%20web/GR-236.htm
"The Holux Small Size Bluetooth GPS Receiver with SiRF Star III high sensitivity chipset built-in, provides a easy-to-use trip guiding tools. You are able to enjoy a brand new experience in driving with BluetoothTM technology of GPS Receiver, you could have the GPS connection without a cable, it’s more convenient and flexible. Enjoy the GPS’s life!
The GR-236 is high performance BluetoothTM GPS
Receiver which featured with:
1. Dual function (Bluetooth GPS + G-mouse)
2.Compatible with BluetoothTM Serial Port Profile
(SPP) completely
3.Built-in rechargeable Lithium-ion battery without
external power supply
======================================================================
Feature:
1. Application: Vehicle tracking & Location base services, PDA/Notebook, Car and Marine Navigation.
2. The most compact-sized bluetooth GPS receive.
3. Built-in SiRF Star III chipset with superior sensitivity.
4. 20 parallel satellite-tracking channels for fast acquisition and reacquisition.
5. Dual function (Bluetooth+GPS+G-mouse) enables to connect to other system without
Bluetooth device.
6. Compatible with Bluetooth Serial Port Profile (SPP) completely.
7. Built-rechargeable Lithium-ion battery.
8. Built-in rechargeable battery for memory for fast Time To First Fix (TTFF).
9. FLASH based program memory. New software revisions upgradeable through serial interface."
So that's the third SSIII GPS to be announced, who's next ? ;-)
___________________________________________
Discounts and Assistance/Réductions et Assistance (Club GpsPasSion)
Best "GPS" PocketPC/Choisir un PDA ou un Kit "GPS" / Où commencer? |
| 15 L A T E S T R E P L I E S (Newest First) |
| jetsun |
Posted - 07 sept. 2009 : 05:59:38
I spend abort $3 to bought a USB to TTL cable(PL-2303HX chip),it can works with GR-236.
http://item.taobao.com/auction/item_detail.jhtml?item_id=e448177be00235ad482535ad9819e472&x_id=0db1 |
| jetsun |
Posted - 04 sept. 2009 : 05:52:33
quote:
Originally posted by sal.fresco
Hi Guys!
Sorry to dig an old subject here!
Has anyone successfully build a _serial_ cable for the Holux GPSlim 236??
I'm in need of such device, but I can't find it anywhere.
The purpose of it is to feed GPS NMEA data into a radio for use in Search and Rescue operations.
Thanks in advance!
Sal
Yesterday, I successfully connected 236 to YAESU 8R radio.
Only two lines are needed, 236's GND to 8R's GND, 236's TX to 8R's RX.
Both 8R and 236 use TTL for TX/RX.
 |
| CarecaIII |
Posted - 26 déc. 2008 : 22:03:31
Hi.
My gpslim236 buyed 2 years ago don’t work anymore because the Bluetooth don’t works. Blue light stop blinking.
I’m Italian.
Can you help me?
Thanks
|
| cellphonejunkie021 |
Posted - 19 août 2008 : 18:35:32
The Holux 236, and other mini GPS devices that I've bought over the years (well two..) have fit fine in universal pouches. I bought one on eBay but it broke so I would recommend you buy something with a limited warranty. Here are some universal pouches that I've used for my HP Smart Phone and my GPS receiver:
http://www.anythingformycell.com/PCUNILRGHLP.html
 |
| saimhe |
Posted - 12 févr. 2008 : 00:17:17
Of course, and chances are higher if you back the old fw up :)
Already covered here: http://www.gpspassion.com/forumsen/topic.asp?TOPIC_ID=27925&whichpage=6. I flashed mine successfully with an RS232 cable. |
| opticalc |
Posted - 11 févr. 2008 : 22:26:53
My Holux 236 is almost 2 years old. Im sure it could stand for a firmware upgrade by now. I have the USB data cable on order, how can we flash the unit? |
| saimhe |
Posted - 08 févr. 2008 : 01:02:10
By design the "GR230-A3" is for old PDAs.
I always believed that the true "PS/2" as used in PCs for mouses/keyboards is a different story. Despite of what Wikipedia says,
"The mouse interface is somewhat different from RS-232 (which was generally used for mice on PCs without PS/2 ports) but nonetheless many mice were made that could operate on both with a simple wiring adapter." (http://en.wikipedia.org/wiki/PS/2_connector),
I can't imagine how one converts the interface to a synchronous one by "simple wiring". Secondly, mice are by nature unidirectional, so might be the mouse port, too; in that case you would lose the ability to configure the receiver. And there is yet another problem: how would you access that port from software? /dev/psaux? :) On Windows, I have yet to see a driver that presents the PS/2 port as a virtual comm port.
Unfortunately "PS2" often refers merely to the mini DIN-6 connector regardless of pinout, electrical interface and data format. |
| opticalc |
Posted - 07 févr. 2008 : 20:32:31
I have a Holux GPSlim 236 and am wondering about the possibility of using the PS2 mouse port to connect the GPS receiver to my laptop.
Heres a snippet from the manual:
II. In/Out Port. GPS signal (Out)/Command (In) with CMOS/TTL Level. Mini USB Type B Connector and Cable option :
(a) GR230-A1(RS232 data cable)
(b) GR230-A2 (USB data cable)
(c) GR230-A3 (Mini USB port to PS2 port ).
Would that GR230-A3 cable do this, and allow serial port access to the receiver from the laptop?
If not, where can I get the GR230-A1 RS-232 cable? |
| saimhe |
Posted - 25 déc. 2007 : 21:45:17
I use it occassionally with a HTC-branded TyTN (under WM6, too). Had no big problems so far. Sometimes I miss the auto-off feature mentioned at the beginning of this thread -- my GR236 has none and so far I discovered a dead battery numerous times.
OziExplorerCE likes to hang with a black screen if left unattended for longer.
SirfTech is good for configuration and logging. Usually I enable RMC and GGA sentences only; a full set (plus GSV, GSA, VTG each second) means that at least the last sentence is lost because of buffer overrun.
When I tried to use both programs via the internal GPS data splitter ("External GPS" under Settings), the amount of correctly received data was even less. That is to be expected: modern PDAs still have too little processing power. I'm too lazy to code my own logger and see who's at fault. |
| TyTN user |
Posted - 25 déc. 2007 : 00:00:41
In view of all the positive feedback above, I, too am leaning towards GR236. However, I have one question: Apparently there have been some compatibility issues with TyTN (ATT-8525) running WM6.0, including with several BT devices that used to work well under WM 5.0
Is anyone presently using the combo: TyTN (ATT-8525) running WM6.0 with the GR-236 GPS receiver? Any problems?
I'd like to hear about it before I buy!
TIA
John |
| saimhe |
Posted - 23 déc. 2007 : 02:49:20
quote:
HELP - How can I get the temperature reading to my Palm device via bluetooth?
This receiver has no temperature sensor. Or do you mean any Bluetooth device that does? |
| isogear |
Posted - 22 déc. 2007 : 18:27:51
Agree with all the positive notes
I have had 4 Holux gps 236 slim ( one was the Palm Navigator unit which they buy and repackage from Holux)
But, I dont deal with drift, or the fridge thing, or time or temp (yet), just navigating on USGS topo's in wilderness...always right on the money, and TomTom PDA driving and motorcycling all over US. no problems.
The altitude does drift min +/- 5' to sometimes as loarge as +/- 20', but in the mountains and driving, that good enough
NO problems, except one little inconvienence....when the unit gets cold/colder, like below 13 C., it takes longer and longer to sync up the colder it gets...sometimes in the snow I stuff it in my undies and it still might take 15 minuets. then OK
But I only use it with my Palm OS Treos (700Ps and 680s), not with a laptop or PC or useing the cable, but I've used the hell out of them on my motorcycle, wilderness trekking with Delormne , Car, even sneaked it to the exit door window on a 747 flight to Indonesia from US,...was right on with pilot info....could read the 570 to 650 mpd speed and the 36000 ' elvations...kinda cool but freaked some passsendgers I think.
Anyway, I recomend the units totally. price is now down to $55-$65 US
HELP - Where can I get an antennna?
HELP - How can I get the temperature reading to my Palm device via bluetooth?
happy trails
scott |
| saimhe |
Posted - 20 sept. 2007 : 11:10:57
At least for my unit with SN# 236-712xxxxx:
1. Yes, if the charger has a Type-B plug; Type-A might introduce some problems.
2. Yes, in general (there are some issues about what "USB" does mean).
3. I still hope to find time for that :( 3.6V are for powering some external device, perhaps a logger. But so far I didn't hear of any.
UPD: At last, the schematic: http://saimhe.avita.lt/hw/Holux-GR236-cable-RS232.png
Now I think that in the stock GR230-A1 cable, the converter circuit lives inside the RS-232 connector (plenty of space for a SMD board) and 3.6V is used to power it.
4. The picture looks strange (unless they managed to fit the converter chip in the connector) and no drivers are mentioned (unless Windows XP already have them).
The problem is that the receiver has no true USB port, only a connector; the signals correspond to a good ole' UART at TTL levels. PCs don't have that kind of interface. To convert to USB, one needs a dedicated chip (like FT232R) because USB is far more than electrical interface -- and, at PC's side, a driver. To convert to RS-232, one only needs a level converter (like MAX232); BTW, it's the one I chose. |
| alabala |
Posted - 20 sept. 2007 : 07:20:45
quote:
Originally posted by saimhe
I'm still interested in buying this thing. The more modern GR-240 would be a lot better, however it has no MMCX connector :(
quote:
Originally posted by sal.fresco
Has anyone successfully build a _serial_ cable for the Holux GPSlim 236??
I will also need a custom-built one, even if the box contains the RS-232 version.
So far it seems possible to do. Even a usual mini-USB Type-B cable could be used as source:
GR-236 socket: 1:Power 2:RXD 3:TXD 4:3.6Vout 5:GND
The mini-B plug: 1:5Vin 2:D- 3:D+ 4:n/c 5:GND
(The User Guide lists the pins backwards but that's no big deal as the device does still charge--instead of frying either itself or the host--with Type-B cables, thereby suggesting the correct "direction".)
Only Type-A cable is a bad idea because #5 and #4 are joined in the connector. Type-B cable has sometimes a resistor between them so in the worst case battery life would be affected, however resistors can be destroyed by applying enough voltage :)
Perhaps soldering to a bare Type-B connector, if one is available, would be cheaper than messing with a new cable.
quote:
Originally posted by vibe666
during the logging i did a factory reset and then switched to the SRF protocol and back again if it helps (i have no idea).
These "unknown character" messages contain:
SW3.2.2_3.1.00.12-SDK003P1.01a *78
$PSRFTXTVersion$GPGGA,235948.058,0000.0000,N,00000.0000,E,0,00,,0.0,M,0.0,M,,0000*4F
Seems almost valid NMEA to me. A terminal emulator would provide a better evidence, though only for text data (Hyperterminal and similar ones don't do hex dumps).
SiRFDemo, as always in its default "full-auto" mode, assumes too much -- and there aren't any timestamps which could give clue about stream continuity. By the way, your version is fairly old, try the current 3.83 (http://www.sirf.com/free_demo.html).
Hi everybody,
I am interested in getting one of those Bluetooth/USB GPS receivers. It would be either Holux GPSlim236 or Holux M1200. Anyway, my questions are regarding the USB data/charging cables:
1. Can the receiver be powered by USB cable (car charger) when using Bluetooth connection?
2. Can the receiver be powered by USB cable when sending data to a USB port through the same USB cable or it requires another power source (internal battery)?
3. Could you please draw a scheme of that customized USB cable, because I cannot understand why at GR-236 socket voltage is 3.6 V, and at mini-B plug is 5.0 V.
4. Can I use "http://store.canadagps.com/grusbdaca.html" data cable instead?
Thanks in advance. |
| pilotart |
Posted - 16 sept. 2007 : 18:30:56
From: [url=http://www.nokiausa.com/A4494180]NOKIA Features supported by your phone
[/url]
quote:
Bluetooth stacks
Microsoft Windows Vista x64:
* Microsoft Windows Bluetooth
Microsoft Windows Vista:
* Microsoft Windows Bluetooth
Microsoft Windows XP x64:
* Microsoft Windows Bluetooth
Microsoft Windows XP:
* Microsoft Windows Bluetooth (only in Service Pack 2)
* Toshiba Bluetooth stack for Windows XP/2000, driver version 4.0 and 5.0
* WIDCOMM BTW 1.4, 3.0, 4.0, 5.0
* IVT BlueSoleil Bluetooth stack for Windows XP/2000, driver version 1.6.1.4 and 2.x
Microsoft Windows 2000:
* Toshiba Bluetooth stack for Windows XP/2000, driver version 4.0 and 5.0
* WIDCOMM BTW 1.4, 3.0, 4.0, 5.0
* IVT BlueSoleil Bluetooth stack for Windows XP/2000, driver version 1.6.1.4 and 2.x
The list above seems to cover all available Bluetooth Stack/Drivers, my Dell D800 came with the WIDCOMM BTW
and you can read on previous page about the best (for my use) 'Bluetooth Serial Port Profile (SPP)' to use with Widcom to receive my Holux230.
_______________________________________________________________________________________________________________________________________________
In order to use "both" (Google Map & Nokia Map) you would need to install somthing like [url=http://franson.com/gpsgate/]GpsGate[/url]
I have been using an earlier version (GpsGate v1.10j) of Franson GpsGate for the past three years to accept my Holux230 Bluetooth data and run several seperate mapping programs.
Prior to GpsGate, if you wanted to drive two 'map's you would need two GPS's, in addition GpsGate provides
quote:
"...More stable GPS connection. In particular to Bluetooth GPS receivers..."
(from GpsGate website linked above)
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