KY-021 Mini Magnetic Reed Module

  • Sale
  • Regular price QAR 4
Shipping calculated at checkout.


1, Imported normally open reed switch
2, The comparator output, the signal is clean, the waveform, driving ability, more than 15mA.
3, A fixed bolt hole for easy installation
4, Small board PCB size: 3.2cm x 1.4cm
5, Operating voltage 3.3V-5V
6, The output in the form: Digital switching outputs (0 and 1)
7, Wide voltage LM393 comparator