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1. Long Size: 32mm * width 11mm *20mm high
2. the main chip: LM393, humidity resistance
3. working voltage: DC 3-5V
1. with the directions of the signal output.
2. single-channel signal output.
3. the output valid signal is low.
4 for detecting humidity occasions output switch (can not be measured by a percentage of the specific humidity).
5. no drive.
6. the output switch board! (Can be directly connected to the microcontroller)
1 x hr202 Wet sensor humidity sensor