"i have the same problem...brand new board , just installed frimware and then cant connect ...and without I2C cable connected the n i can.... how can you fix it ? i am not sure what you mean...cause the GPS end (MAG) and board end (I2C) both is 4…"
I changed the RC7_REV to -1 it really fixed the spining problem !!
however when i take off to try i found another thing i may need to reverse , cause when i push forward the elevator stick ,the copter suppose go forward but now go…"
"i am still in the stage of all parts on my table and configurating my apm
nothting soldered , just hook 3 ESC (took out the red lead ) RX bound and connected to APM , GPS...everything should be configurated but when i try to Arm it , it keep…"
"where the servo get power from ? from the APM Out put rail #7 ?
also is it suppose the CH 1 in RX is plug to Input 1 in APM Input rail and so on for rest of the CH? but in my casue if i do so , when i go to Radio Calibration in the Mission planner,…"