Difference between revisions of "24Cxx I²C EEPROM"
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| − | These calibration sticks caught my curiosity and I had to rip one of them apart. Inside is a very simple circuit and | + | These calibration sticks caught my curiosity and I had to rip one of them apart. Inside is a very simple circuit consisting of a capacitor, a few resistors and an IC labelled "24C08A". Digging into the |
== Gallery == | == Gallery == | ||
Revision as of 04:00, 29 August 2023
The 24Cxx series is a series of EEPROMs that are accessed through I²C.
Blood Glucose Monitor Calibration Stick
A while back I purchased one of these Blood Glucose Monitors:
What makes them interesting is that the actual test strips are packaged together depending on calibration value. The value is indicated on the canister:
And each batch comes with a calibration stick which needs to be inserted into the reader before use.
These calibration sticks caught my curiosity and I had to rip one of them apart. Inside is a very simple circuit consisting of a capacitor, a few resistors and an IC labelled "24C08A". Digging into the
