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This page describes the process of building and testing a board.
Images & minivideo coming soon! |
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Soldering
There
are only 17 components so it's not very time consuming to make one of
these
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- Solder on FTDI chip. Its the most difficult part and its best
if you have plenty of space to maneouver. Use a fine tip soldering
iron and thin solder or solderpaste.
- Solder the surface mount resistors, capacitors, LEDs and inductor
bead. Usually this is done by melting a small amount of solder
onto one of the tabs, then tacking the part down and doing the
other side.
- Solder the 6MHz oscillator and USB connector.
- Solder either a 4-pin SIP or cable to the power, ground, RX
and TX lines. If using a cable, use a mini-ziptie to strain-relief
the cable through the small hole in the corner. The pins are:
RX (to computer), TX (from computer), GND and +5V (from computer)
in that order.
- You can now plug in the board and test that its working. A computer
should auto-detect the device, which will be called "USB<--->Serial"
or something. Depending on your operating system, start up a terminal
program for the right serial port, note that when you send characters
to the port, one of the LEDs should flash. Don't forget to turn
off hardware handshaking and flow control.
- Enjoy!
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