The character height of the displays that came with the dx.com modules was 10mm.
This was fine when testing but not large enough to be seen well out on the track.
Upsizing seemed like the sensible thing to do. Let's try doubling to 20mm (https://www.sparkfun.com/products/11405 -- common cathode with same pinouts).
After some soldering and extension so the displays fit:
Looks great - real advertisement potential there.
Let's try it on the hat. Uh-oh, now we are too big to run with and it flaps about.
Let's try and find a display that is just right:
I decided to go with these ones (http://www.digikey.com/product-detail/en/LDQ-N516RI/67-1450-ND/252641) as the unit is a one off and the slightly more orange-than-red colour fit in with the aesthetics more. I got a few of these cheaper ones just to have as spares too (http://www.digikey.com/product-detail/en/LTC-5723HR/160-1879-ND/3198988).
Just right....
This was fine when testing but not large enough to be seen well out on the track.
Upsizing seemed like the sensible thing to do. Let's try doubling to 20mm (https://www.sparkfun.com/products/11405 -- common cathode with same pinouts).
After some soldering and extension so the displays fit:
Looks great - real advertisement potential there.
Let's try it on the hat. Uh-oh, now we are too big to run with and it flaps about.
Let's try and find a display that is just right:
I decided to go with these ones (http://www.digikey.com/product-detail/en/LDQ-N516RI/67-1450-ND/252641) as the unit is a one off and the slightly more orange-than-red colour fit in with the aesthetics more. I got a few of these cheaper ones just to have as spares too (http://www.digikey.com/product-detail/en/LTC-5723HR/160-1879-ND/3198988).
Just right....
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