John Hudson's Discussions (6)

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ESC's Not Retaining Calibration

I am having difficulties with ESC calibration on my 3DR quad. The calibration seems to go okay, with all motors starting in unison and accelerating proportional to throttle settings.

The trouble begins when I cycle the power on the APM2 board, the cal

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ESC Gone Bad?

After many successful flights (congrats, 3DR team!) of my APM2 quad, a problem suddenly cropped up and my quad is grounded.

When I hook up the lipo and the APM2 is finished its boot sequence, one of the propellers begins to "twitch", and emit low volu

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APM2 Option Pins

I hope that I haven't overlooked something in the wiki, but I haven't been able to find much info on the optional sensor pins on APM2, in particular A4-A9. I had some LED strips I wanted to mount, and program for patterns.

Can we hook the strips into

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APM2 Option Pins

I hope that I haven't overlooked something in the wiki, but I haven't been able to find much info on the optional sensor pins on APM2, in particular A4-A9. I had some LED strips I wanted to mount, and program for patterns.

Can we hook the strips into

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Best Material for Landing Gear?

I have finally completed my winter project - a bench top CNC mill. After several hard landings (tongue planted firmly in cheek), I want to start making my own replacement landing gear and/or electronics platform.

I am currently flying a modded version

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ESC's Refusing to Arm

Okay guys, another noob here with ESC issues. Assembled Arducopter kit from jDrones, and everything appeared to be working well hardware-wise. ESC calibration process appeared to work, at first. I advanced the throttle to maximum, and powered up the

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