Size: 32mm x 11mm x 20mm
Main chip: LM393, moisture-sensing probe
Working voltage: DC 3-5V
1, with the output instruction, active-low, the output light;
2, single output, response time 10s;
3, the humidity output valid signal is low, sensitivity adjustable;
4, widely used to detect humidity, rain and other occasions, the output TTL level signals;
5, with mounting holes for easy permanent installation;
6, the output switch circuit board can be connected directly to microcontroller IO port.
Provide a reference routines, circuit diagrams and Other relative information.
Humidity sensor Module x1pcs