USER GUIDE
NI myDAQ
NI myDAQ is a low-cost portable data acquisition (DAQ) device that uses NI LabVIEW-based
software instruments, allowing students to measure and analyze real-world signals. NI myDAQ
is ideal for exploring electronics and taking sensor measurements. Combined with NI LabVIEW
on the PC, students can analyze and process acquired signals and control simple processes
anytime, anywhere.
Figure 1.
NI myDAQ
Contents
Safety Information.................................................................................................................... 2
Electromagnetic Compatibility Guidelines .............................................................................. 3
NI myDAQ Hardware Overview.............................................................................................. 3
Analog Input (AI) ............................................................................................................. 4
Analog Output (AO)......................................................................................................... 4
Digital Input/Output (DIO)............................................................................................... 5
Power Supplies ................................................................................................................. 5
Digital Multimeter (DMM) .............................................................................................. 5
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NI myDAQ
AUDIO IN
Analog Input
USB
Power Supply
Gain
Analog Output
Digital Input/Output
AUDIO OUT
NI myDAQ System D
iagram
AI
DIO
5 V
±15 V
DC-toDC
Converter
Analog-
to-Digital
Converter
Digital-
to-Analog
Converter
Digital
Multimeter
Analog ICs
supplied by
HI
HI
1 A
1 A
MAX
MAX
60 V
20 Vrms
20 Vrms
MAX
MAX
VΩ
VΩ
A
COM
VΩ
A
System Timing
Controller
Current
Limiter
AO
Sw
it
ch
M
ul
tipl
ex
er
