TzInstruments testing homemade instruments to fly better!

Check this page for new releases and updates.
Updates
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TzI firmware 2.3.1 - Fix altitude digits
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TzI Beta firmware 2.2.0 - Thermal vario
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TzI and TzIGx firmware 2.1.1
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TzI and TzIGx firmware 2.0.0
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TzI Firmware Release v 1.0.2
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TzI New Settings Page Release v 1.0.1.1
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TzI Firmware Release v 1.0.1
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GPSDump Compatible Now!
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TzI first prototypes pictures
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TzI first Release v 1.0.0
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TzInstruments - GPS Vario