How to Build A Lightweight GPS Datalogger for Model Rocket Applications
http://www.parallax.com/tabid/748/Default.aspx
Fuente: Parallax
I have been dreaming of building a flight computer that will not only control the flight sequence, but also log data aboard a model rocket. But I do need to walk before I can run, so I started with a simple GPS data logger (GPSDL) that is just a “piece” of my future flight computer idea. This GPSDL will sit in a payload bay or nosecone of a rocket during flight.
My finished GPSDL weighs 62 grams with the power supply and has a 1.5”L x 3”W x 1”D footprint. The weight of the data logger can be further reduced by ¼ to ½ oz. by using a simpler GPS antennae than the one I used. Cost can run from $100 to $200 depending on how careful a shopper you are. My cost was $200 for the parts used in this article. The design is simple consisting of three major parts: a 5.5g accelerometer switch, a BS2p microcontoller and a GPS receiver.
Fuente: Parallax
I have been dreaming of building a flight computer that will not only control the flight sequence, but also log data aboard a model rocket. But I do need to walk before I can run, so I started with a simple GPS data logger (GPSDL) that is just a “piece” of my future flight computer idea. This GPSDL will sit in a payload bay or nosecone of a rocket during flight.
My finished GPSDL weighs 62 grams with the power supply and has a 1.5”L x 3”W x 1”D footprint. The weight of the data logger can be further reduced by ¼ to ½ oz. by using a simpler GPS antennae than the one I used. Cost can run from $100 to $200 depending on how careful a shopper you are. My cost was $200 for the parts used in this article. The design is simple consisting of three major parts: a 5.5g accelerometer switch, a BS2p microcontoller and a GPS receiver.
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