Tims Retro Corner | Commodore 64 as a Thermometer! @TimsRetroCorner | Uploaded August 2023 | Updated October 2024, 3 hours ago.
You can get the PCB used in this video for just $5 from our sponsor PCBWay. Check them out - pcbway.com
There's a User Port on the back of the C64 that's got to be useful for something, right? Right! So with a few components and a little bit of programming, let's turn our C64 into a thermometer!
This video was inspired by the following video on Josip's Retro Bits: youtube.com/watch?v=bwWxnF6vDwE Please check it out, and while you're there, subscribe to his channel. It's good stuff.

So, the bits:
User port port board: pcbway.com/project/shareproject/Commodore_64_User_Port_Project_Development_PCB_bb031400.html
DS18B20 waterproof sensor thepihut.com/products/waterproof-ds18b20-digital-temperature-sensor-extras?variant=27740417873
Wire, terminal block (optional), pin header (optional)

Data Sheet: analog.com/media/en/technical-documentation/data-sheets/DS18B20.pdf

The code:
Please see Josip's video above for the original code.
Code for this episode: dropbox.com/scl/fi/i146eqbjt9tli0le5q1od/DS18-TRC.zip?rlkey=zmc48ugy5ikdjl5m3099qfjfc&dl=0

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