This ebay store sells 20x2 alphanumeric OLED display modules for 9.99$ and 20x4 characters Blue backlight LCD module HD44780 for 4.99$...
4 and 5 go to thermocouple because when I swapped the testleads the mV readout turned negative. 5 is positive and 4 negative.
Now that would be one hot soldering iron. :cooldude:
I did some more measurements and it appears that resistance doesn't change when warming the tip with a lightbulb. However betveen blue and black I...
I need help determining which wires go to the heater and temperature sensor. connector: http://img218.imageshack.us/my.php?image=liitinrq7.jpg...
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