free flight timer. last night i made a biplane cobbeled together from parts i had no use for, old wings and tail rotors that where too small. the thing flew very good, but i was afraid to lose it.
so i am building a free flight timer, 15 seconds to 5 minutes. i will post code and schematics when it works. gonna be SMD
got the Tiny25 code written and it should work, but i will try it later.
a mosfet is on PB1, the other 4 ports control the time of the flight,
10 seconds, 15, 30, 45, or 60 seconds.
will post results later.
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