Package Included
- 1pcs x Mini magnetic module For Arduino KY021 KY-021

Description
- Normally open reed switch
- The comparator output, the signal is clean, the waveform, driving ability, more than 15mA.
- Operating voltage 3.3V-5V
- The output in the form: Digital switching outputs (0 and 1)
- LM393 comparator

Tutorial
http://bit.ly/Mini-Reed-Switch-Module-Arduino

#GA2002

Standard: $5.99

Rural: $8.99

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