Re: Internal pressure sensor

2009-10-12 Thread Rask Ingemann Lambertsen
On Tue, Oct 06, 2009 at 07:05:00PM +0100, Stroller wrote: Honestly? To add the barometer appears a very easy task. It involves soldering two wires, right? Strictly speaking, you need only solder the 3.3 V wire, because the rest (GND, I2C data and I2C clock) are available at the debug

Re: Internal pressure sensor

2009-10-06 Thread Werner Almesberger
Stroller wrote: This barometer is self-contained and connected to the i2c bus, a _relatively_ simple addition. If there is demand for the barometer - although I'm inclined to agree with Rask that there wouldn't be - then it might it be justified to add it were Brazil ever to go into

Re: Internal pressure sensor

2009-10-06 Thread Stroller
On 6 Oct 2009, at 02:18, Werner Almesberger wrote: Stroller wrote: This barometer is self-contained and connected to the i2c bus, a _relatively_ simple addition. If there is demand for the barometer - although I'm inclined to agree with Rask that there wouldn't be - then it might it be

Re: Internal pressure sensor

2009-10-05 Thread Xavier Bestel
On Sun, 2009-10-04 at 15:02 +0200, Rask Ingemann Lambertsen wrote: On Wed, Sep 30, 2009 at 06:04:30PM -0400, tom wrote: actually i think they should already be built in...they are so cheap... Depends on what you mean when you say cheap. I see it listed at just under USD 10 for one sensor

Re: Internal pressure sensor

2009-10-04 Thread Rask Ingemann Lambertsen
On Wed, Sep 30, 2009 at 06:04:30PM -0400, tom wrote: actually i think they should already be built in...they are so cheap... Depends on what you mean when you say cheap. I see it listed at just under USD 10 for one sensor or the price of a 1.3 mpix camera module. It's also not as small as you

Re: Internal pressure sensor

2009-10-04 Thread Stroller
On 4 Oct 2009, at 14:02, Rask Ingemann Lambertsen wrote: On Wed, Sep 30, 2009 at 06:04:30PM -0400, tom wrote: actually i think they should already be built in...they are so cheap... Depends on what you mean when you say cheap. I see it listed at just under USD 10 for one sensor or the

Re: Internal pressure sensor

2009-10-04 Thread tom
well, my thought was just: marketshare. more features out of the box more customers more competition. and i dont think 10$ make adifference, not yet talking about largeqty-volumes. eg rfid: nokia announces it since years, but FR could be fo fast...im sorry, maybe im just to optimistic... regs

Re: Internal pressure sensor

2009-10-04 Thread Christoph Mair
Am Sonntag 04 Oktober 2009 17:14:43 schrieben Sie: eg rfid: nokia announces it since years, but FR could be fo fast...im sorry, maybe im just to optimistic... I was thinking about adding a rfid reader but could not find an antenna which is small enough. Probably there were other problems too..

Re: Internal pressure sensor

2009-10-04 Thread tom
well, there are always roadblocks, but there is always a waz around them. unfortunately im not a electric-engineer, otherwise i would jump onto that. but i can tell out of experience, the (current) future relies on that. gettin rif of those stupid hanheld scanners etc would be way easier 4

Re: Internal pressure sensor

2009-10-04 Thread Stroller
On 4 Oct 2009, at 16:14, tom wrote: On Wed, Sep 30, 2009 at 06:04:30PM -0400, tom wrote: actually i think they should already be built in...they are so cheap... Depends on what you mean when you say cheap. I see it listed at just under USD 10 for one sensor or the price of a 1.3

Re: Internal pressure sensor

2009-10-04 Thread Rask Ingemann Lambertsen
On Sun, Oct 04, 2009 at 03:55:44PM +0100, Stroller wrote: Depends on what you mean when you say cheap. I see it listed at just under USD 10 for one sensor or the price of a 1.3 mpix camera module. Is the 1.3 mpix camera module also $10 for a single unit? Yes. References

Re: Internal pressure sensor

2009-10-01 Thread Baruch Even
Jeff Sadowski wrote: On Wed, Sep 30, 2009 at 4:18 PM, Mikhail Umorin mike...@gmail.com wrote: On Wednesday 30 September 2009 16:18:51 Christoph Mair wrote: Hi, I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec is a small (5x5x1.5mm) chip which

Re: Internal pressure sensor

2009-10-01 Thread Stroller
On 30 Sep 2009, at 22:18, Christoph Mair wrote: ... I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec is a small (5x5x1.5mm) chip which includes a pressure and a temperature sensor. Power and I2C is enough to get it working. I glued it next

Re: Internal pressure sensor

2009-10-01 Thread Christoph Mair
Am Donnerstag 01 Oktober 2009 06:42:24 schrieben Sie: On Wed, Sep 30, 2009 at 4:18 PM, Mikhail Umorin mike...@gmail.com wrote: On Wednesday 30 September 2009 16:18:51 Christoph Mair wrote: Hi, I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec

Re: Internal pressure sensor

2009-10-01 Thread Christoph Mair
Am Donnerstag 01 Oktober 2009 16:57:18 schrieben Sie: On 30 Sep 2009, at 22:18, Christoph Mair wrote: ... I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec is a small (5x5x1.5mm) chip which includes a pressure and a temperature sensor. Power

Internal pressure sensor

2009-09-30 Thread Christoph Mair
Hi, I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec is a small (5x5x1.5mm) chip which includes a pressure and a temperature sensor. Power and I2C is enough to get it working. I glued it next to the BT antenna. The wiki page contains some pictures:

Re: Internal pressure sensor

2009-09-30 Thread Risto H. Kurppa
On Thu, Oct 1, 2009 at 12:18 AM, Christoph Mair m...@chonyota.net wrote: Hi, I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec is a small (5x5x1.5mm) chip which includes a pressure and a temperature sensor. Power and I2C is enough to get it working.

Re: Internal pressure sensor

2009-09-30 Thread tom
actually i think they should already be built in...they are so cheap... can someone suggest that to the FR-Manufactuer? regs On Wed, Sep 30, 2009 at 5:53 PM, Risto H. Kurppa ri...@kurppa.fi wrote: On Thu, Oct 1, 2009 at 12:18 AM, Christoph Mair m...@chonyota.net wrote: Hi, I

Re: Internal pressure sensor

2009-09-30 Thread Mikhail Umorin
On Wednesday 30 September 2009 16:18:51 Christoph Mair wrote: Hi, I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec is a small (5x5x1.5mm) chip which includes a pressure and a temperature sensor. Power and I2C is enough to get it working. I glued

Re: Internal pressure sensor

2009-09-30 Thread Jeff Sadowski
On Wed, Sep 30, 2009 at 4:18 PM, Mikhail Umorin mike...@gmail.com wrote: On Wednesday 30 September 2009 16:18:51 Christoph Mair wrote: Hi, I successfully added a pressure sensor to my Freerunner. The BMP085 chip from Bosch Sensortec is a small (5x5x1.5mm) chip which includes a pressure and a