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Monitor
EasyReader ER2C
Instruction manual
London Electronics EasyReader ER2C Instruction Manual page 15
Large display pulse input counter & frequency meter. connection details, scaling and general information
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Notes
Circuit diagram showing one of the two input stages.
This shows the pullup, debounce and sensitivity setting methods.
Excitation +
Input +
Pull Up
Pull Down
Common
47K
0.1uF
Debounce
12
+
Input comparator
-
Threshold
3V
1V
20mV
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