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A project log for Open source Arduino blood glucose meter shield

Open hardware and software blood glucose meter using electrochemical test strips

m-bindhammerM. Bindhammer 06/05/2016 at 11:550 Comments

The shield has an Arduino Uno form factor. I changed the MAX4575, which resets the op amp integrator by shortening the capacitor by the quad bilateral switch CD4066, because this chip is much cheaper. Initial PCB layout looks as follows:

Checking if the test strip connector footprint I have drawn matches...

Blank PCB:

Populated board, ready for testing:

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