Rendered Ammo Counter
Harp Robots

Ammo Counter

Release to market a universal gun mounted bullet counter capable of keeping track of the number of rounds fired and/or the number of rounds left in a clip. By using the recoil from firing a bullet the bullet counter will even work with a paint-ball gun. Proposed Features  - Adjustable count down with quick reset  - [...]

HARP Robot

    For my senior design project we were tasked with designing and building a prototype model of a robot with a single motor capable of controlling multiple joints. Check out the full project report at Behance! This is a sensor test showing the feedback from our angle sensor to our control software Working prototype [...]

Recent Work

Rendered Ammo Counter
Harp Robots

From the Blog

Jul
03
Posted by Joshua Jach on July 3rd, 2012 at 9:57 pm

One of my Kickstarter backers, Glitch, has already completed some testing with the Mini I2C OLED. He has also posted detailed instructions for interfacing with the Mini I2C OLED using a Bus Pirate. Sabernetics I2C OLED Display Testing and Demo. The Sabernetics OLED module was definitely worth the $24.95 and just goes to show that [...]

Dec
08
Posted by Joshua Jach on December 8th, 2011 at 12:38 am

As promised here are a few pictures of the physical ammo counter. After about ten minutes of late night testing I was able to determine that the battery charger, voltage regulators, and power switch were all functional.  I was even able to connect to the on-board processor via computer.  So far things are looking good.  I still [...]

Dec
06
Posted by Joshua Jach on December 6th, 2011 at 12:25 pm

After a long 3 weeks I received an e-mail stating that my ammo counter prototypes have been shipped 512815268894 today.  I hope to finish up the coding  this weekend and take it out to the shooting range for some testing.

Nov
20
Posted by Joshua Jach on November 20th, 2011 at 7:57 am

Testing an OLED display I recently ordered from Hong Kong. The top portion is displaying the column ID in binary, and the bottom half is just scrolling a bar.

Nov
16
Posted by Joshua Jach on November 16th, 2011 at 8:26 pm

Thanks for visiting.  Please leave me questions or comments.