David Cheney
  • Male
  • Mountain View, CA
  • United States

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Interrupt driven sensors; HC-SR04 rangefinder; implementation questions

Started this discussion. Last reply by Bernardo May 21, 2016. 3 Replies

I'm attempting to integrate an HC-SR04 sonar range finder into my APM 1.x quadcopter rig. It doesn't really fit into the model used for the other sonar drivers as it doesn't have a analog…Continue

Tags: sensor, hardware, interrupt, rangefinder, HC-SR04

a plethora of ESC problems, beep behavior

Started this discussion. Last reply by David Cheney Oct 19, 2012. 1 Reply

I've just finished building my first quadcopter using a kit that's about a year old (APM 1.x). I calibrated all four motors using the manual method (auto-calibration didn't work) and had one…Continue

Tags: beeps, beeping, beep, quadcopter, ESC


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Please tell us a bit about your UAV interest
15 years ago in college I was a member of our aerial robotics team at UCSD competing in the IARC competitions with an RC helicopter. Last year I got a quadcopter kit and now I'm having fun mostly imagining what I can do with it.

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