Fortune-M

[bernte_one]

thanks for this info

[kt315]

....

[kt315]

where we can get pcb and pre-programmed Controller within europe? or presoldered pcb

i see ozzy-sv alias sells it https://reibert.info/threads/plata-m.../#post-6556203
if you are not able to open the link i can do screenshots.

[kt315]

http://alltech.at.ua/forum/3-10-1

sad to say there is much of pages in the forum - 159 - to search. bars did not give this info in part list.

[Hannu]

Is there good substitute for tlv2372?

[Toros]

where we can get pcb and pre-programmed Controller within europe? or presoldered pcb

Here is all info: http://alltech.at.ua/forum/3

[bernte_one]

where we can get pcb and pre-programmed Controller within europe? or presoldered pcb

[scrungy_doolittle]

The best tip in a long while, thanks. I was looking for "energy bank" battery packs before, but they are rubbish since they employ very noisy switching regulator. These contain only batteries, and no noisy regulator.

http://www.ebay.com/itm/8-4V-10000mAh-Rechargeable-Li-ion-Battery-Pack-for-Bicycle-Light-Headlamp/321456695522?_trksid=p2054897.c100204.m3164&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140407115239%26meid%3Ddca8d3839f2b4c7682d4616c51fa9f92%26pid%3D100204%26rk%3D30%26rkt%3D30%26sd%3D141474802528

[Davor]

Search for "8.4V Rechargeable Battery Pack+ AC Charger For Bike Light" to find a nice power source for this project.

The best tip in a long while, thanks. I was looking for "energy bank" battery packs before, but they are rubbish since they employ very noisy switching regulator. These contain only batteries, and no noisy regulator.

[Daren]

FortuneM: with proper custom build DD 10.5 inch coil results are much better. 1C US copper detection: 8" - solid; 9" OK; 10" -weak; small gold wedding band: 12"; VID works well on even weak signals. For comparison: TGSL with 10x9 web tesoro coil has similar range, maybe a 1" shorter. All bench tests only.

BTW:
Search for "8.4V Rechargeable Battery Pack+ AC Charger For Bike Light" to find a nice power source for this project.

[kt315]

[kt315]

[kt315]

tests

[kt315]

asked the seller about the price - 7USD for bare board (his pics in post #5) and 4-5USD for shipping. he sends overseas.

[Daren]

I built this project. It is well documented in russian (use google translatete). Firmware has some nice features to tune coils, TX coil is driven by DAC, firmware allows you to change freq and watch current in the coil. You can spot coil resonant frequency easily. I tested with Tesoro uMax coil which is not a good fit for FortuneM. The results were OK but not spectacular. I will need to build a proper coil for it to really test it well. Russian tests are on youtube. You will need PicKit2/3 to flash firmware. With the right coil it should be very nice discriminating MD. This project is being actively developed right now.
There is some tricky soldering required to build it.