The Pico Technology TC-08 is dated, but it’s still going strong 👍🏼 With the optional terminal board, the thermocouple channels can be used to log either voltages or 4-20mA (industrial current loop).

I’m logging the discharge curve of a 9V Alkaline battery, using an OP-AMP as a voltage divider/buffer, as the terminal board is limited to +/-5V.

The software is really easy to use and is supported on several OS 😃

There are many voltage loggers out there, but if you already have a TC-08, the small terminal board is a really nice addition and an easy way to quickly log long-term measurements 🙂

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