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Internal Buzzer (SP1)
The Internal Buzzer (SP1) can be used to provide audible indications for various beep codes. See the table on the right for pin definitions.
Speaker (JD1)
On the JD1 header, Pins 3~4 are used for internal speaker. Close pins 3~4 with a cap to use the onboard speaker. If you wish to use an external speaker, close pins 1~4 with a cable. See the table on the right for pin definitions.
Internal Buzzer
Pin Definition
Pin# |
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Pin 1 | Pos. (+) | Beep In | ||
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Pin 2 | Neg. | Alarm | ||
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| Speaker | |
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Speaker Connector |
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| Pin Definitions |
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Pin Setting Definition |
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Pins 3~4 |
| Internal Speaker |
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Pins1~4 |
| External Speaker |
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A. Internal Buzzer
B. Speaker Header
A
B