External Circuit Design; Beeper Circuit; Trigger Circuit - Newland NLS-EM3080 V2 Integration Manual

External Circuit Design

Beeper Circuit

The circuit below is used to drive an external beeper. The nBUZZ signal is from PIN 9 of the 12-pin FFC connector.

Trigger Circuit

The circuit below is used to provide the engine with a signal to trigger a scan and decode session. The TRIG signal is from
PIN 12 of the 12-pin FFC connector.
Users can adjust the external circuit and its function as per actual needs, on condition that the external circuit matches the
internal circuit.
D2
BAT760
R6 10
BUZZ
R7
10K
Figure 4-4
Figure 4-5
VDD
R5
10
LS1
1
2
AS903Q
2N3904
Q8
18