I love the lazer tag augmented reality (LTAR) tagger.  When playing unhosted grab and go game types, your choices are between the LTAR and the LTX taggers for 25 health gametypes.  The LTAR handles much nicer in my opinion, but without an iphone the LTAR lacks any indicator of health / shields remaining during gameplay. To solve this, I wrote some software to put on my existing ammo counter circuit.  The software allows my circuit to sync with the LTAR during gameplay, or at least anticipate an accurate count of health and shields remaining.  This post will serve as a guide of assembling the ammo counter circuit, modifying the LTAR, and…