HSll00／HSll01电容式湿度传感器及其应用.pdf
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TH837
1
HSll00HSll01
2
(HSll00)(HSll01)
1 2
O -100 RH 162pF 200pF2 RH;
5s 004pF
3
HSll00HSll01
AD 555
555 3 555 2
CC 7 C
26
R3 Rl
Vs R4R2 C t Uc
067Vs3
2 t Uc 033Vs
3
t C(R4 R2)1n2
t CR2In2
f 1(t t ) 1[C(R4+2R2)1n2)]555
1
4
4
(1)Flash LED8051
AT89C2051
(2)
T1T1 1 16
(1D 2 )o
(3)4 LED
IO 4 74LS164
LED
(4) 3 IO 3
(5)2 IO 2
(6)305045 X1cor x25045 WatchdogEEPROM
4 IO
5
HSll00HSll01
(1)0100 RH
(2) 25 3
(3)O-100 RH3
(4)220VAC1A
2001/10/20
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