I think we should hack this baby for a laser altimeter.


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Comment by Jesus on January 18, 2013 at 5:11am

Finally, anybody hacked this rangefinder??? I thik that the "easiest" way its with the lcd and a logic analyzer.

Comment by raghavendran on January 24, 2013 at 1:13pm

is it possible to interface this with arduino uno or mega???

Comment by Randy on January 24, 2013 at 7:20pm

No, I don't think anybody has managed to do that yet. 

Comment by will emite on September 19, 2013 at 7:22am

I was able to hack the protocol on an opti logic 400LH.

It spits out serial data on one of the internal pins...

more details here:


Comment by Forest Mapper on August 27, 2016 at 1:29pm

The Hobbyking laser ranger is not fast enough work while in motion, nor are the other golf and hunting type laser range finder. The Bosch is fast enough however and it has a nice TTL level serial connection you can interface with your computer. The best and most economical laser is the Laser Technology S200. It goes out to a mile, works while in motion and returns ranges at an adjustable 1-64hz. It is lightweight and small in size. Cost is $1100 for the module only. I can install this system into a Pixhawk or APM as a collision avoidance system with arduino running some custom code and interfacing with the APM mavlink. The project is fairly straightforward. The method of operation is the module is always pointing at the next waypoint...and anything seen inside the automated flight path will prompt a flight path and/or altitude adjustment until the obstacle is no longer in the flight path. 


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