I don't know of any hats other than hotspots like the SHARI PiHat. Most RIMs/URIs use USB. Here are a few from CM108 Mods, Im rubbish at soldering - #2 by WA6ZFT
I don't know of any hats other than hotspots like the SHARI PiHat. Most RIMs/URIs use USB. Here are a few from CM108 Mods, Im rubbish at soldering - #2 by WA6ZFT