Hi all! After many unsuccessful attempts to get the KMZ51 sensor I finally found one vendor in Germany who carries the sensor :-) The vendor even accepts...
Hi Mark! I just wondered if you have any experience yet about local disturbances of your HMC-mag. ? i.e. Computer, TV-set, switching on/off of other devices or...
Hi, Hannes i don't get any inteference from tv, monitor, computer or walking by. Only when i move my keyboard causes it to vary slightly due to the speaker ...
Hi Hannes, It was 30/10/2003 that this magnetic disturbance was detected. On the graph at the bottom, the vertical lines are 1 hour segments, 24 in total so...
... Dear Hannes, I have seen data sets from quiet days that were representative of the on-line graphs that you quoted. From the text which accompanied the...
Joseph DiVerdi
diverdi@...
Nov 16, 2003 9:47 pm
127
Hello All I am trying to find a USA source for the KMZ51 sensor. I went to the Phillips site and tried to order online. I was directed to a page with two US...
Try Newark Electronics... richg_1998 <richg_1998@...> wrote:Hello All I am trying to find a USA source for the KMZ51 sensor. I went to the Phillips site...
NoO, they do not have it. I had tried www.findchips.com and Newark is one supplier that is checked. Richard ... __________________________________ Do you...
... Hi Joseph! Thank you very much for the answer! :-) As I thought, the graph only shows an idealized field. I think I see the year 1939 of publication in the...
... Dear Hannes, I found the figure in the Encyclopedia Britanica (sp?), 1960 edition. There's a good write up on geomagnetism and although it's pretty old (as...
Joseph DiVerdi
diverdi@...
Nov 17, 2003 8:17 pm
133
Sorry, Richard Good luck!, Jorge Richard Gagnon <richg_1998@...> wrote: NoO, they do not have it. I had tried www.findchips.com and Newark is one ...
I contacted the closest sales representative (Houston TX.) and asked if I could get two units for evaluation. The sales representative obligingly provided me...
Hi all! Just a quick note before I leave for work... Yesterday evening I quickly connected the mag to the ADC and added some logging code the the ADC reader...
Hi all! Today I was taking samples from my mag over 12 hours :-) Here is the graph: http://magnetometer.captain.at/img/21nov-1021-2220.gif There is a lot of...
... Hi Mark! Cool! Thanks a lot! :-) I'm a bit curious about the thermistor... Shouldn't either the 100k pot or the 10k resistor go to Vcc ? And how is the...
Hi Hannes & all, The variable resistor on the second op-amp is only adjusting sensitivity as you know. What i would do is stick in a permanent resistor value...
Hi to the group, With the recent solar activity, I thought building a magnetometer would be a fun project. I found the simple tortion design using CDS cells...
Hi Mark! Thank you for your thoughts and ideas! :-) ... I think Philips designed the circuit so, that the 140k resistor matches with the KTY82 in order to...
Hi June! Welcome again :-) Your design of the tortion mag. is very cool! Congratulations! The SkyPipe is definately THE tool for putting it live on the web! I...
HI Hannes & all, Hannes i paid about £22.00 for the HMC1022 from Farnell Electronics. You know the circuit you are using from phillips ?, is it for a...
Hi Mark! ... The circuit from the PDF is for a compass application, but I also altered it a bit. (added capacitors and increased gain in the second stage) ... ...
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