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This boards turns any (HD44780-compatible) LCD into a serial LCD. The kit is available from moderndevice.com and allows a LCD to be controlled by an arduino or clone ...
Mount a 10K resistor. The color codes are Brown Black Orange.
Mount the 330 Ohm resistor. The colors are Orange Orange Brown.
The diode can only function if placed correctly. Match the silver band on the diode with the band mark on the board.
Mount the monolithic capacitor. Orientation does not matter.
Mount the switches. These will snap into the board in the correct orientation. If they don't seem to fit, turn 90 degrees and try again.
Mount the variable resistor. This is where you will adjust the contrast of the display text.
Mount the TIP 120. I find it easiest to bend the leads 90 degrees and then solder. Make sure the heat sink (metal) part is towards the board.
The IC socket should be mounted with the notch towards the variable resistor. Solder in two pins on opposite corners and then check the positioning. Finish up soldering ...
Now you need to decide which backlight resistor is needed for the display you have. If you have one of the displays from moderndevice.com this is pretty easy. ...
Solder in the headers which will match your display. The 2x16 and 4x20 displays I have both use the single line of headers at the top of the ...
These are the headers that go to the arduino. Solder in the 90 degree male headers provided.
If you plan on powering the display via the arduino, as most people will, you need to place a jumper as shown in the picture below. This changes ...
Place the chip in the socket with the notch towards the variable resistor. You will likely need to, carefully, bend the leads to get it to fit the ...
If your display doesn't already have a set of headers installed, now is a good time to put them in.
Plug your board into the display and, using the cable provided, connect the board to the arduino.On the display end, the black wire should connect to the Ground ...
Testing Procedure:Turn the trimpot fully clockwise (you may wish to turn it back a hair later).Press the op test button and hold - then press and release reset ...
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