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« on: September 29, 2015, 08:42:04 AM »
nitin0836
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i have crius aiop v2 board*(multiwii code) .. i had arming problem for it.. i tried everything but could not arm it..
later i found out that i can set it up to get armed from channel 5... so i configured it and armed it with channel 5..
it is arming with channel 5 and when i give slight throttle up only 2 motors spin, even at different speed and the motors are not spinning continuously but instead they are spinning in PWM fashion ... and when i go on increase throttle the rest of motors start to spin... but they are all spinning at different speeds... because of this the quad is not able to lift and fly..
i have done following things..in multiwii
1.esc calibration..
2.radio calib
3.accel calib
4.magnetometer calibration

please help me
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« Reply #1 on: September 29, 2015, 12:44:08 PM »
Purush
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Nitin, I'm too building with Multiwii megapirate AIO board and was hit with same issue, I was able to arm the motor with Yaw, I use multiwii code and arming is set to " #define ALLOW_ARM_DISARM_VIA_TX_YAW".

For all the motors to spin in same speed you need to adjust the trim in Tx, set the trim for YAW,ROLL and PITCH equal to 1500 (may be +1) check with value with Multiwiiconf GUI, with this set when you increase the throttle all the motors will spin equally
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« Reply #2 on: September 29, 2015, 02:43:13 PM »
Darshan for multirotors
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please see this for esc calibration
https://code.google.com/p/multiwii/wiki/ESCsCalibration
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« Reply #3 on: September 29, 2015, 07:22:47 PM »
nitin0836
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Nitin, I'm too building with Multiwii megapirate AIO board and was hit with same issue, I was able to arm the motor with Yaw, I use multiwii code and arming is set to " #define ALLOW_ARM_DISARM_VIA_TX_YAW".

For all the motors to spin in same speed you need to adjust the trim in Tx, set the trim for YAW,ROLL and PITCH equal to 1500 (may be +1) check with value with Multiwiiconf GUI, with this set when you increase the throttle all the motors will spin equally

i calibrate rc exactly as you said but still problem exists
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« Reply #4 on: September 29, 2015, 07:25:52 PM »
nitin0836
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bro i have calibrated esc manually 
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« Reply #5 on: September 29, 2015, 09:23:44 PM »
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As you say that even after you have done it manually(do you mean individually ) the motors aren't starting at the same time.. that means you need to a calibrate  your escs through the fc..
That's why I gave you that link.. After you are done with that procedure, your motors will start at the same time...
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« Reply #6 on: September 29, 2015, 11:07:46 PM »
nitin0836
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As you say that even after you have done it manually(do you mean individually ) the motors aren't starting at the same time.. that means you need to a calibrate  your escs through the fc..
That's why I gave you that link.. After you are done with that procedure, your motors will start at the same time...
ya bro you were right i calibrated the esc from board as you said now all the motors are spinning ... but its trying to flip as it gets up.. i think i need to carefully trim transmitter for that one...
one more question i had ..
when i push the throttle up,rudder right, roll right, pitch up.. all those values should increase and values should decrease for opposite direction am i right??

thank you very much for your help
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« Reply #7 on: September 30, 2015, 09:13:34 AM »
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Can you take a screen shot of your GUI  and post it here..
Btw did I you set your tx end points?
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