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  1. bronk

    Decompression software for Android

    I just switched phones to a HTC/Sprint EVO. There is one app I really miss form my iphone and it is ideco pro What alternatives are there for android phones? I would like buhlman calcs to match my Shearwater pursuit.
  2. bronk

    LED Ring light

    I just completed my LED ring light. 6 CRE XR-E leds. 2 strings of 3 LEDsm driven at 1 amp each. Current regulator is 2 7135 boards (3 chips each from Deal Extreme) It fits an Ikelite housing and macro port. First dive tomorrow night with it in Lake Michigan. Mark Bronkalla's Photos | Facebook
  3. bronk

    El cheapo lnearity and calibration question

    I recently built an El-cheapo II . Construction was simple, but I end up with a discrepancy of about 3-3.5% with a 50% mix vs the LDS which has a commercialy built Oxycheq o2 and He analyzer. Mine reads high compared to theirs. Mine is set for 20.9 in air, reads 99.5 to 100% with 02 from my...
  4. bronk

    DIY LED Canister Lamp

    I just built a new LED canister lamp. 3 CREE XRE-R2 LEDs with a polished aluminum reflector from DealExtreme. 12v 4.5 AH battery. The LEDs are run in series have a constant current source regulator set for 930 mA Photos (in my gallery) show a comparison of a UK Light Cannon on the left and my...
  5. bronk

    Zone II and Doubles

    I have a Zone II BCD which has served me well for many dives with a variety of taks ranging form al80 to HP130. Now is the time to start tech training. This means more air... One of the features I considered when originally buying the Zone II was ability to handle doubles. At that time it was...
  6. bronk

    Outer Banks Diving - Proteus

    Last week (7/15 , 7/18) I was diving on the Proteus with Outer Banks Diving . What a great couple of trips! First day, the seas was a special treat with calm (nearly dead flat ) seas and no current. Lots of sharks (>30) down on the wreck. Second day was a little lumpy but still not too rough...
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