USB host port on Teensy 3.6 measures no 5V out

M

Mike5000

Well-known member
I have no 5V out on the Teensy 3.6 host port. Do I need to instantiate a USBHost object for the 5V to turn on, do I need externally supplied 5V, do I need to bridge some jumper or may I have a defective board?

I havent tried this example code yet. Will it enable USB host port 5V out?

#include "USBHost_t36.h"
USBHost myusb;
USBHub hub1(myusb);
USBHub hub2(myusb);
USBHub hub3(myusb);
KeyboardController;
keyboard1(myusb);
KeyboardController keyboard2(myusb);
MIDIDevice midi1(myusb);
 
The USB Host 5V has a logic controlled power switch on it. It is normally OFF and turns ON when you call the USBHost begin() function.
 
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