21
External Circuits
Good Read LED Circuit
The circuit below is used to drive an external LED for indicating good read. The left part shows internal
Good Read LED driver circuit on the decoder board and the right part shows external circuit that users
may utilize in actual application. The nGoodRead signal is from Pin 10 of the 12-pin FPC connector.
Fig. 4-4
Beeper Circuit
The circuit below is used to drive an external beeper. The left part shows internal beeper driver circuit on
the decoder board and the right part shows external circuit that users may utilize in actual application.
The nBEEPER signal is from Pin 9 of the 12-pin FPC connector.
Fig. 4-5
Internal LED Driver Circuit
External Circuit
Internal Beeper Driver Circuit
External Circuit
Summary of Contents for EM2039 Series
Page 1: ...EM2039 Series OEM Scan Engine Integration Guide ...
Page 3: ...Revision History Version Description Date V1 0 0 Initial release May 21 2013 ...
Page 6: ......
Page 13: ...7 Illumination Aiming Fig 2 3 Fig 2 4 ...
Page 16: ...10 Bottom View Fig 2 8 Top View Fig 2 9 ...
Page 17: ...11 Imager Discrete Type unit mm Front View Fig 2 10 Bottom View Fig 2 11 Top View Fig 2 12 ...
Page 18: ...12 Right View Fig 2 13 Decoder Board Discrete Type unit mm Front View Fig 2 14 ...