"Hmm. I think I got confused by the terrible nomenclature of the analogWrite() function, which actually is supposed to be used on digital (not analog) pins. That said, this post suggests that the analog pins carry on numbering after the digital…"
Jaime Felipe's Discussions
GPS Fix external led
Started this discussion. Last reply by Chris Anderson Jul 22, 2012. 7 Replies 0 Likes
Hi all,I have a prolem that my APM2 board is in a hidden location inside my plane and I cannot see the status leds, specially the GPS Fix led.I was wondering if it is possible to connect an external…Continue
Voltage measurement problem
Started this discussion. Last reply by Jaime Felipe Jul 19, 2011. 4 Replies 0 Likes
Hi all,I am trying to setup voltage measurement on my ArduPilot Mega / Shield board.However I am really confused about the resistor I have to install.On the manual it says that I have to solder a…Continue
MPDatalog download
Started this discussion. Last reply by Jaime Felipe Dec 9, 2010. 4 Replies 0 Likes
Hello,I am trying to download the MPDatalog utility but I am getting the message:"Your client does not have permission to get URL /p/ardupilot-mega/w/edit/MPDatalog from this server."How can I…Continue
Minimum voltage of Arduino Mega
Started this discussion. Last reply by Randy Dec 6, 2010. 1 Reply 0 Likes
Hello all,I am wondering... what is the minimum voltage required for the arduino mega?I am trying to install on a 2S plane, but I am afraid of a general failure due to low voltage.Thank youContinue
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Jaime Felipe replied to Jaime Felipe's discussion GPS Fix external led"It seems to me that it isn't.
Running the code below, one of the servos of the plane starts to move very fast as soon as APM2 gets a 3D fix. From that, I think the pin is not #7.
Any other clue of the right pin number?
static void…"
3D RoboticsChris Anderson replied to Jaime Felipe's discussion GPS Fix external led
"Isn't that just pin 7?"
Jaime Felipe replied to Jaime Felipe's discussion GPS Fix external led"Great!
How can I find out the pin number of the NAV LED A7 connector?"
3D RoboticsChris Anderson replied to Jaime Felipe's discussion GPS Fix external led
"Sure, I think you can use any of the free Analog pins. Just add an analogWrite(pin number) command to the code where you want it. "
Jaime Felipe replied to Jaime Felipe's discussion GPS Fix external led"Hi Chris,
One of the things that I like most about APM 2 is that you were able to encapsulate all the components in a single block. Because of that I am avoiding to use an external GPS.
As an alternative, I though about using the NAV Leds pins…"
3D RoboticsChris Anderson replied to Jaime Felipe's discussion GPS Fix external led
"If you use an external GPS, you can just mount it so you can see its fix LED. "
Jaime Felipe posted a discussionGPS Fix external led
Hi all,I have a prolem that my APM2 board is in a hidden location inside my plane and I cannot see the status leds, specially the GPS Fix led.I was wondering if it is possible to connect an external led to one of the APM2 interfaces/outputs in order to reflect the GPS Fix status (even if it requires coding).Any suggestions on how to do this?Thank you.Best regards,JaimeSee More
Jaime Felipe replied to Jaime Felipe's discussion Voltage measurement problem"Thank you Michael. I think the link to the discussion will be very helpfull.
I will try tonight.
Cheers"
3D RoboticsChris Anderson replied to Jaime Felipe's discussion Voltage measurement problem
"You're reading your color codes wrong. The ones that come with the IMU are orange, white, black, brown, which is 390x10 or 3.9k, exactly as described in the product listing."
Michael Zaffuto replied to Jaime Felipe's discussion Voltage measurement problem"This may help:
http://www.diydrones.com/forum/topics/reading-voltages-for-lipol
parameters are in config.h
// Battery monitoring
//
#ifndef BATTERY_EVENT
# define…"
Jaime Felipe posted a discussionVoltage measurement problem
Hi all,I am trying to setup voltage measurement on my ArduPilot Mega / Shield board.However I am really confused about the resistor I have to install.On the manual it says that I have to solder a 3.9K resistor for each cell I want to measure.Since I want to measure a 3S battery pack, I soldered the 3 resistor that came with my board.However the voltages shown aren't right.The command line shows the following when connecting a fully charged battery:test] batteryVolts: 1:3.82, 2:7.74, 3:11.60,…See More
Jaime Felipe replied to Jaime Felipe's discussion GPS does not get a lock"Ok. Solved!
The FTDI cable got here and I soldered as the picture attached.
After that I updated the firmware on the first attempt.
Also the longitude problem was solved!
On the weekend, I am going to try my first…"
Serge replied to Jaime Felipe's discussion GPS does not get a lock"Hi John,
I meant swapping them on the connection directly to your computer (ftdi cable in your case) when you try flash the mediateks firmware. However, I did not use an ftdi cable but an arduino usb adapter to flash it, so swapping might…"
AdminJohn C. replied to Jaime Felipe's discussion GPS does not get a lock
"I'm getting a lock on my mediatek, but it's not carrying through to the APM on the arducopter.
I've tried the instructions on the page you link to, but I'm also getting the error:
[Flash Download] …"
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