I have a IOIO-OTG with the following versions reported by the IOIODUDE 
application:

Hardware version: SPRK0020
Bootloader version: IOIO0400
Application version: IOIO0506

The problem is getting the Bluetooth to work.  USB connection to my PC 
(Windows 8.1) is working now, though not at first.  At first Windows kept 
saying it was not a recognized device and would not let me select the 
driver for it.  Once I started the IOIO in bootloader mode then Windows 
finally enumerated the USB connection.  I took the opportunity then to 
update to the 506 application firmware (prior to that IOIODUDE reported 
"Platform version: IOIO0030" instead of an Application Version).  Now USB 
connection works fine even in normal boot mode.  Perhaps this bit about 
starting in bootloader mode will help others too.

So now for the Bluetooth...  My PC recognizes and pairs with a Bluetooth 
mouse as well as my dumb phone without any trouble.  So I know that the 
PC's own Bluetooth is working.  I am using the USB cable and Bluetooth 
adaptor that came with the IOIO.  I have a 6V power supply and I have the 
charge limiting potentiometer turned fully clockwise and I have the mode 
switch set to "H".  I have tried powering up the IOIO with the Bluetooth 
adaptor already plugged in and also tried powering up the IOIO first and 
then plugging in the Bluetooth adaptor to the USB cable.  Still when I go 
to Windows 8.1's "Bluetooth Settings" app and watch it trying to discover 
devices it does not show the IOIO.  What I am missing?


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