Motus Reference Manual
Page 88 of 146
Version 1.1
29/11/2019
14.5
Power source
The development board has two power source options; USB power (5V nominal) or an
external power source. By default, the development board is configured to use USB
power. The external power source can be fed into the board through VEXT on either
the GPIO header of RS232 header and can be any voltage between 4V and 36V. Please
refer to the Motus OEM Reference Manual for full power supply requirements. The
power source is selected by a three way switch, please see Illustration 70 and
Illustration 71.
14.6
Schematics
See the following pages for the development board schematics.
Illustration 70: Power switch position for USB
power (default)
Illustration 71: Power switch position for
external power