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 Modifying a Digital Thermometer
How to modify a digital thermometer
By: Sverre Sjøthun, December 27, 2000  Print this article

In relation with my wooden case project, I came to think of that it would be nice to have a digital thermometer mounted, and I found one that I could use. Only problem was that this had one external and one internal diode. I wanted two externals...

o

In relation with my wooden case project, I came to think of that it would be nice to have a digital thermometer mounted, and I found one that I could use. Only problem was that this had one external and one internal diode. I wanted two externals...

This is how I fixed that minor problem:

The tools you need to do this is what you see in this picture (notice the black cord: It is from a l

The tools you need to do this is what you see in this picture (notice the black cord: It is from a l


Open the box

Open the box


Locate the internal thermistor

Locate the internal thermistor


Remove it, and twist the cord around one of the pins

Remove it, and twist the cord around one of the pins


Solder the other end of the wire to the PCB

Solder the other end of the wire to the PCB


Testing

Testing


...and rip the guts out

...and rip the guts out


See?? Easy as a piece of pie!!


This is how it looks like when I put it inside my case.

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