Hardware and Arduino Code for DIY WMRP-Solder Station

Features: low offset op amp for soldering tip temperature measurement with type c thermocouple cold junction compensation using the PTC (KTY82-210) included in the WMRP soldering pencil input voltage measurement (for use with 3 cell lipo battery) soldering pencil current measurement recognizing if the soldering pencil rests in the stand (--> standby) 3 buttons for save and recall temperature values rotar ...

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