@blackjack wrote:
We a building a quadcopter similar to those of Igor's build except for the esc we replaced Qbrain with emax 4 in 1.
we are using FLYSKY i6 TX and FLYSKY ia6b receiver since it has ppm output. we did all connection part just as it has been mentioned in the emlid docs. we calibrated the RC,COMPASS AND ACCELO in apm everything went fine.
lastly it was the ESC calibration we needed to do. we ran over the emlid forums and video for esc calibration and we followed the same what one guy in this video does https://www.youtube.com/watch?v=gYoknRObfOg
so we followed these stepsstep 1: made sure there were no props.
step 2: disconnected the gcs connection.
step 3: kept the transmitter on with throttle max pos.
step 4: turned on the plugging the batt to power module. before that we also made apm autostart on boot.results seen after performing these steps
1) there a musical tone and the led lights started circling around. hope we entered the calibration mode.
2) disconnected and reconnected the battery with throttle high.. but this time there is no musical tone or any such thing. no beeps or such things were heard.
3) so what we did turned off the power in the computer by sudo poweroff.
4) disconnected the battery and reconnected with throttle high and heard musical tone after musical tone we heard some beeps we lowered down the throttle to min there was series of beeps. after a while motors started to spin all at once after we rised the throttle.
5) we throught esc is calibrated.
6) next we turned off the navio and plugged back on. but this time no unusal beeps the led blinks but when I rise the throttle the motors won't spin
7) another unusual thing is that the motors will run for 2 secs after sudo poweroff my navio.
please help with this issue. is there any modification I have to do with navio or TX or RX or the method please help ASAP
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