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Step 6: Plunge Wires

Prepare and Insert Wires

  • Cut a length of thin electrical wire (i.e. 36 AWG). The length of wire needed depends on your application, here we use 15-20 cm.
  • Strip the wire ends to expose 2-3 mm which will be inserted into the soft sensor.
  • Grab the wire end with tweezers and push it into the soft sensor, following the path left by the syringe.
  • Push it in until the wire comes in contact with the round EGaIn channel end.
  • Repeat this process for the other channel end.

Test and Seal

  • Touch a multimeter to both loose wire ends to make sure that the connection is intact.
  • Add Silpoxy to the area where the wire is inserted into the sensor, covering any exposed metal and making sure to coat a few mm of the wire as well.
  • This seals the EGaIn in the sensor and prevents the wires from slipping out.