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The expansion module is used to expand the signal pins of other modules.



  • Expand signal pin


  • Operating Voltage: 3.3V DC
  • Supply mode: Crowbits Power Module
  • Dimensions: 56(L)*31(W)*13(H)mm


1.Control the motor forward and reverse through 2 buttons

1)You also need to prepare a power module, such as Crowbits-Power Supply. An output module, such as Crowbits-DC Motor. Two input modules, such as Crowbits-Touch Sensor and Crowbits-Switch.

2)The connection mode is shown in the figure, but the signal feet of the input module and the output module must be connected.

Crowbits-Expansion-Wiki 1.jpg

3)Turn on the power. You could touch the touch sensor to control the motor to rotate forward, or press the self-locking switch to control the motor to reverse.

Crowbits-Expansion-Wiki 2.jpg

Crowbits-Expansion-Wiki 3.jpg