DIY Arduino Nano Soldering Station V3

DIY Arduino Nano Soldering Station V3. Hello everyone!. I made a third version of the T12 soldering station based on Arduino Nano after an viewer asked me if I can make it more compact, so I did it. now is more compact and portable, it can be powered from laptops power supply, battery or an lab bench power supply, I also corrected in the softwere the display and rotary encoder direction because it was backwards. Thanks again to Stefan Wagner who wrote the code and made the schematic, in his version he made it with smd components.
Link to Stefan Wagner:
Youtube video: https://www.youtube.com/watch?v=I9ATDxvQ1Bc
EasyEDA site: https://easyeda.com/wagiminator/z-solderingstation-smd-v2
Link to Software, Schematic and PCB: https://drive.google.com/drive/folders/1Ye03NGcep9hb4lAZo7w9Mt38FJj59bQT?usp=sharing
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