Matrix Orbital DD-DB1 LCD/VFD Dev Board User Manual
Page 7
USB
Cables Required
EXTMUSB3FT
1 2 3 4 5 6 7 8 9 10
X X X
X X X
X X X
X
Table 3: USB Protocol Select
The USB connection is the quickest, easiest solution for PC development. After driver installation, the DevDevil will be
accessible through a virtual serial port, providing the same result as a serial setup without the cable hassle. To connect to
your DevDevil using USB protocol, please follow the steps below.
1. Prepare the onboard jumpers.
i.
Ensure that Input Select jumper is set to USB, see highlight 6 in Illustration 2: DevDevil Basic Connections..
ii. Disconnect the Voltage Select jumper, see highlight 7 in Illustration 2: DevDevil Basic Connections..
2. Set the Protocol Select switches.
i.
Place the unit into USB protocol by moving switches 4, 5, and 6 up into the on position, while ensuring the
remainder are down in the off position, see highlight 5 in Illustration 2: DevDevil Basic Connections..
3. Make the connections.
i.
Plug the mini-B header of your external mini USB cable into the DevDevil and the regular USB header into
your computer USB jack, see highlight 1 in Illustration 2: DevDevil Basic Connections..
4. Install the drivers.
i.
Download the latest drivers at
and save them to a known location.
ii. When prompted, install the USB bus controller driver automatically.
iii. If asked, continue anyway, even though the driver is not signed.
iv. When the driver install is complete, your display will turn on, but communication will not yet be possible.
v. At the second driver prompt, install the serial port driver automatically.
vi. Again, if asked, continue anyway.
5. Create.
i.
Use uProject or hyperterminal to get started, then move on with your own development. Instructions for the
former and a simple C# example is available for the latter can be located in the Software section.
5
Illustration 3: USB Connection