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Build tinyTouch

Video guide

1. Get the parts

  • Board: ESP32-S3 Super Mini or Seeed Studio XIAO ESP32-S3
  • Fingerprint sensor (AliExpress includes cable)
  • 1.0 mm, 6-pin sensor cable
  • USB data cable
  • Wire and soldering tools

2. Print the case

PartSizeActions
Top27.7 × 27.7 × 15.7 mmSTEP
Base25.5 × 25.5 × 12.9 mmSTEP
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3. Wire it up

tinyTouch sensor wiringThe fingerprint sensor wired to the ESP32-S3 Super Mini.Fingerprint sensor connector pin numberingFront view of the sensor with connector pins numbered one through six from left to right.123456
PinSignalSuper MiniXIAO
1VTouch3V33V3
2TouchOutGPIO2D1
3VCC3V33V3
4TXRXD7
5RXTXD6
6GNDGNDGND