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== Introduction ==
== Introduction ==
[[ValBal|ValBal]] is an actively altitude-controlled, low-cost, high-endurance, autonomous high altitude balloon system. It requires a complex set of avionics hardware to enable it to complete its mission. In general, at a bare minimum, any ValBal avionics system must have the following set of features to ensure a successful flight.
[[ValBal|ValBal]] is an actively altitude-controlled, low-cost, high-endurance, autonomous latex high altitude balloon system. It requires a complex set of avionics hardware to enable it to complete its mission. In general, at a bare minimum, any ValBal avionics system must have the following set of features to ensure a successful flight.
* Half-duplex or full-duplex wireless communication
* Half-duplex or full-duplex wireless communication
* Motor control
* Dual bidirectional high power motor control
* High altitude GPS location acquisition capability
* High altitude GPS location acquisition capability
* Power regulation and subsystem protection
* Power regulation and subsystem protection
* Powerful microprocessor with autonomous flight code
* Powerful microprocessor with autonomous flight code
* Current & voltage sensing of all system parameters
* Current & voltage sensing of all system parameters
*
* Weigh no more than approximately 1 kilogram
* Have a form factor of less than 3 x 3 x 6 inches
The 8.1 generation of ValBal avionics goes above and beyond these minimum requirements.
== Physical Specifications ==
== Physical Specifications ==