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Left row of pins
1W. PWR
(FM6320 – pin3)
1W. Data
(FM6320 – pin13)
GND
(FM6320 – pin1)
Digital Input
Figure 7 Digital thermometer DS1820 and TTJ 100 connection scheme
1
1
J1
2
3
J3
4
2
3
4
U1
J2
1
2
Right row of pins
Vpp(+5
Volts DC) –
power
1
source for
external
digital
sensor
Output
from
2
external
digital
sensor
19
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