External Circuit Design; Good Read Led Circuit; Beeper Circuit - Newland EM50S-10 Integration Manual

External Circuit Design

Good Read LED Circuit

The circuit below can be used to drive an external LED for indicating good read. The LED signal is from PIN 10 of the
12-pin FPC connector.

Beeper Circuit

The circuit below can be used to drive an external beeper. The BUZ signal is from PIN 9 of the 12-pin FPC connector.
Figure 4-4
Figure 4-5
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