I recently tested a RangeTech Shot Timer from ConcealedCarry.com. If you do not use a shot timer for training, this product is your ticket to a higher level of training. The RangeTech Shot Timer can ...
[Josh] has written up two posts that those of you who use AVRs might find handy. The first post documents a C library that implements a jitter-free one-shot timer. The second post explains how it ...