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2 images, 2 files, 2 parts, 6 comments

Arduino Power Tester

This code displays the power of the Arduino’s on-board 3.3v power supply. It’s a good example of Arduino to TouchShield communication and TouchShield graphics. Two files are part of this project, one to compile and upload to the Arduino, one to compile and upload to the TouchShield.

Parts for Arduino Power Tester:

Check out this video example:

6 Comments on Arduino Power Tester

Severino Aug 17 2008

This can only measure up to 5V because it is going into the micro controller. Higher voltages could damage the chip.

Scoota Dec 08 2008

FYi to other readers, you could make this measure a wider range of voltages by using a resistor divider network, and then multiplying the result you get from the Analog input pin accordingly. I have my Arduino measure up to about 20VDC safely.

c.a. church Mar 18 2009

Hi! It seems the .pde file links are broken? I get a prettified 404 from github on both links.

John Mar 31 2009

where are the files and the code…

Erik May 29 2009

I’m having a problem with the graph.h library for some reason. Can I get it somewhere? What’s going on? It’s saying no such file or directory.

Niels Jun 29 2009

Hi, I am trying to understand the touchshield slide and i’m getting a lot of errors while compiling, a simple rectangle is no problem but a simple circle is a nogo :( The above voltage sample is complaining about a missing graph.h…

Also there are quite a few ide versions available, i really don’t know what the correct version is, using mac osx and currently testing antipasto arduino v0.8.10



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