I believe you have misunderstood me :) The servo is powered by an external power supply at 5VDC. The signal is from an expansion header. The ground is the same expansion header's ground.
On Tuesday, October 14, 2014 10:23:47 AM UTC-5, Gerald wrote: > > Please do not tie a 5VDC servo direct to the pins of the expansion header. > > http://www.elinux.org/Beagleboard:BeagleBoneBlack#Expansion_Header_Usage > > I doubt the servo, one that you have failed to define, can be driven by > 6mA,which is the extent of the drive of the 3.3V pins on the board. > > > > Gerald > > > On Mon, Oct 13, 2014 at 7:07 PM, <[email protected] <javascript:>> > wrote: > >> Hi everybody. >> I've got a Beaglebone Black Rev A6A here, and no matter what I do, I >> can't get a servo running. I've tried Adafruit's nice BBIO.PWM library (to >> no avail) and I've tried using Bonescript. I've grounded the servo to the >> BBB, and run 5VDC in from a regulated Elenco supply to the servo. No matter >> what I do, I can't get it to turn. If I ground the servo to the power >> supply's COM, then it simply whines, no matter the duty cycle. If I ground >> it to the bone, nothing happens. >> >> Thanks in advance. >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
