Re: [tracker2] Re: T3-301 Release date?
- On 1/23/2012 9:53 PM, Matthew Cook wrote:
> Are you going to drop the UART on the T3-301 or just add the USBJust like the OT3m, the two UARTs are still there.
> connector? If the USB connector can power the T3 inside the 301 would
> it be possible to make this jumperable (move smd resistors) so selectRight now the OTUSB and OT3m use a diode to separate USB power and
> between USB and internal supplies? Will the USB be isolated or
> referenced to the radio ground?
regulator power, but they do share a common ground so you should still
be careful about ground loops.
> If you're laying out a new PCB would it be possible to have a small 4Possibly, or at least test pads. I've got a few things on my wish list
> pin header (not fitted) that breaks out the TTL level serial?
for extra connections. The OTUSB has a jumper that's intended to switch
the UART polarity for use with TTL setups, but it hasn't been