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TTGO LORA case with BL-5C battery, 2inch screen folded dipole or Jpole and GPS — zdjęcie 1
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TTGO LORA case with BL-5C battery, 2inch screen folded dipole or Jpole and GPS

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A group of case parts that started with adding a BL-5c battery to the TTGO LORA board used for weather ballon tracking.

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Źródło
Printables
Kategoria
Electronics
Licencja
Creative Commons — Public Domain

This started out as a case to house a TTGO LORA board, additions include a place for a folded dipole, a 2inch screen, a jpole as an alternate to the folded dipole and a GPS module and antenna. 

It does get a bit tight with the wiring between the parts with the full complement in place. 

You can use just the case with or without the battery (there may be better one out there for that as the antenna connector is a little buried in the case due to the space required for the battery) or case including the battery or either of those with the 2 inch display and/or the folded dipole (this will not sit nicely on a shelf) or the j-pole (this will). 

The GPS module fits in the j-pole part so if you want the GPS but no j-pole just don't fit the j-pole antenna and/or cut off the bit of that part that sticks up above the rest of the case. 

There is a seperate file for just the j-pole without the GPS. I found wrapping the bottom of the j-pole in alfoil (beside changing the tuning helped shield the j-pole from the effects of nearby hands that otherwise change the tuning significantly. 

Use plastic screws and nuts in the middle of the j-pole to keep things nice. 

The dipole is made from 1/4inch aluminium tube while the j-pole is made from 4mm brass tubing. Both are tuned for chasing weather balloon sondes on 400-403MHz.

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