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Page 18
Electrical Interface
Output Signals
A Sample Schematic of LED Circuit
Here is the LED circuit used in the evaluation board, EVK3000&1300.
R13
1K
R14
100K
DGND
D5
GLED
R17
10R
DLED
DV3.3V
Q4
2N3906
A Sample Schematic of Beeper Circuit
Here is a beeper circuit used in the evaluation board, EVK3000&1300.
DGND
BUZ
R3
100K
R11
10R
R10
10R
DV 5V
R2
1K
Q2
2SC1623
D3
1N4148
+
-
Q3
Buzze r
Q1
2SC1623