Thinklabs UNIBOARD V1.1, User Manual, Page: 113 / 129

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LDR
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Make sure that you are using correct ADC channel.
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Make sure that LDR Jumper is placed on the Board and in the correct position.
External Interrupts
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Make sure that you have enabled pull-ups in your code.
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Make sure that you have enabled Global Interrupt.
RTC
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Make sure that you are enabled CH bit in RTC configuration 0x00 RTC’s memory area.
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Make sure that you have working backup battery for correct time even if board is power-off.
SPI
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Make sure that your connections are proper; you need to remove the program jumper and use
the berg connector to connect the wire to another SPI device.
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Make sure that the GND points of the master and slave have been connected.
Motor drivers
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Make sure that you have connected external power supply.
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Make sure that your ADC chip is there on the Board.
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Make sure that power selection switch is depressed