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  3. How to drive the external device with handler interface

GW Instek How to drive the external device with handler interface Owner's manual

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Driving the external device with Handler Interface
Example: Using the PASS signal with circuit to drive an external LED.
DDGND
LED
ΒΌ W
330R
DTC114
INT +5VCC
PASS_ON_PING
Note1: If the LED is too bright, change resistor to 470R instead of 330R
Note2: Recommending use the NPN digital transistor with pull high resistor inside.
Please Notice: The handler function must be turned on which the indicator HAD will
light up on the left side of front panel. In the main time, the trigger will become EXT,
which means push to measure.
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