User's Manual

USR-LG220 User Manual h.usriot.com
Jinan USR IOT Technology Limited www.usriot.com
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Figure 2 Application diagram
1.4.Hardware design
1.4.1.Interface
Interface Description
,1(4. #*"5$  (4.55E""
,1(4"  #*"5$
-%/* - -%/*96 %,)9,)A
!* 0 
+, *1.4.2.LED
 6 05   *#
 
- 3-
Figure 3 Interface
1.4.2.LED
LED Description
- #*(#" 
-%/ #*-#*4
-%/ #*#6!.( "
 #( "6((4 " 
)8>&: )+,#"#)
Figure 4 LED