The humidity detection and auto ventilation equipment circuit MS01-A

Published:2011/7/5 22:03:00 Author:Borg | Keyword: humidity detection, auto ventilation | From:SeekIC

See as the figure, the circuit consists of the precise time-based oscillator, trigger D, temperature detection circuit, relay controlled ventilation circuit, auto reminding circuit and AC step-down rectifier circuit, etc. BC is made of the quartz of the watch, whose solid frequency is 32768Hz; K1 is JZC-22F; C6 and C7 are the electrolytic capacitor of CD11-16V; C3, C4 and C5 is the polyester film capacitor of CL11-63V type; R10 is the RJ-2W-820kΩ, RP1 is the WH5 integrated film potentiometer, the other resistors are all made of the RT-1/8W carbon capacitor; C8 is the CBB-400V-0.75μF; VC is adopted with the 1A/400V full bridge rectifier module.



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