4 System overview
Doc. ID 4374_139 v1.1
Page 25
Figure 8: Remote control keypad
4.1.7 Infrared LED and infrared learning feature
To support control of legacy electronic devices that are only fitted with infrared (IR) remote control receivers,
the SR3 DK add-on and the SR 3 product example is fitted with an IR LED.
The IR LED and IR protocols are handled by the MCU. The SR 3 product example also contains a chip for use in
code learning applications.
Important: Only IR LED functionality example is implemented in Rev. 1.0 of the firmware.
Figure 9: Location of the infrared LED on SR 3 add-on
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