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Gyro & Acceleration Sensors
Proximity Sensors
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Minimum sensor recognition distance:> Sensor’s minimum-distance does not have to be much smaller than 20cm (8“).
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UltrasonicPro: - Not depending on optical properties of an object -> more reliable in common usage - Larger range sizes Contra: - Usually higher prize - Lower resolution (2-3 cm) - Problems detecting acoustic quieting objects
Recommendation after some research: Parallax PING Ultrasonic Sensor (ca. $29, 2cm – 300cm Range) https://www.parallax.com/product/28015 (maybe cheap replacement: http://www.dx.com/p/hc-sr04-ultrasonic-sensor-distance-measuring-module-133696?Utm_rid=37202148&Utm_source=affiliate#.VTsyqa3tmko) |
Radio Telemetry Kit
FPV 433Mhz Radio Telemetry Kit 100mW V1.1:
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