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FAA Regulations for Amateur Rocketry (Part 101)
http://www.ecfr.gov/cgi-bin/text-
idx?c=ecfr&rgn=div5&view=text&node=14:2.0.1.3.15&idno=14
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Before You Start...
• Go to our web site at
www.Eggtimerrocketry.com
and download the latest Assembly/Users
Guide..
• Read them thoroughly before starting... it will save you some grief later, we promise!
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Thanks for buying an Eggtimer WiFi Switch! This is the answer to a problem that has bugged
many of us electronic deployment users for a long time... How do you turn on (and off) the
power to your electronics, monitor the battery voltage, and monitor deployment charge status
without opening up the AV bay? There have been all kinds of switches, both mechanical and
electronic, used in hobby rocketry, but they all have involved having to reach into a hole in the
AV bay or put something like a magnet very close to it in order to turn on the switch. More
than once we've had to take a rocket off the rail because we couldn't reach the power switch
inside the AV bay...
The WiFi Switch allows you to turn on (and off) your electronics using any WiFi-enabled
browser device, such as a smartphone, tablet, or laptop computer. In addition, it has two
deployment-monitoring channels that can be connected to your altimeter's outputs to show you
the continuity status of your deployment igniters, and you can monitor the battery voltage as
well. You can do all of this from up to 100' away from your rocket. Each WiFi Switch has a
unique WiFi SSID code, and it uses WPA2-PSK and AES encryption with a unique 8-digit
passkey, so it's almost impossible for anyone except yourself to connect to your WiFi Switch
and turn it on (or off!). To turn your electronics on or off you need to enter a 4-digit validation
code that changes every 60 seconds or whenever you refresh the web page. This prevents the
switch from being toggled if you put the phone in you pocket... you wouldn't want to "pocket
dial" your altimeter!
Like other Eggtimer Rocketry products, we sell it as a kit, to keep costs down and provide an
outstanding value. This means that you have to do a little work, of course, but considering that
most hobby rocketeers that would use our products have some degree of electronics expertise;
this should not be much of an impediment. If you do not have any experience soldering kits
such as this, we recommend that you ask around... chances are that somebody in your rocketry
club would be more than happy to assist you for a small bribe (beverages work well!).
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