On Sat, 9 Nov 2019 21:19:35 -0800 (PST), in
gmane.comp.hardware.beagleboard.user Mala Dies
<[email protected]> wrote:
>
>from LDRII import MCP3008 #I found this source online and I cannot figure
>out what site I found it at currently. Anyway...if this is your source, say
>so! I will give you credit.
>
Based on Google, the MCP3008 is a multichannel ADC. The Raspberry Pi
examples require it because the R-Pi only has binary GPIO.
The BBB has internal ADC (though limited to 1.8V peak, so one often
needs a voltage divider to reduce 3.3V (or 5V) data to fit into 0..1.8V)
(for safety, one might want to limit the peak to 1.7V, and adjust the
conversion equation somewhat).
https://www.linux.com/tutorials/how-get-analog-input-beaglebone-black/
https://learn.adafruit.com/setting-up-io-python-library-on-beaglebone-black/adc
>
>from LDRII import MCP3008 #I found this source online and I cannot figure
>out what site I found it at currently. Anyway...if this is your source, say
>so! I will give you credit.
>
Based on Google, the MCP3008 is a multichannel ADC. The Raspberry Pi
examples require it because the R-Pi only has binary GPIO.
The BBB has internal ADC (though limited to 1.8V peak, so one often
needs a voltage divider to reduce 3.3V (or 5V) data to fit into 0..1.8V)
(for safety, one might want to limit the peak to 1.7V, and adjust the
conversion equation somewhat).
https://www.linux.com/tutorials/how-get-analog-input-beaglebone-black/
https://learn.adafruit.com/setting-up-io-python-library-on-beaglebone-black/adc
--
Dennis L Bieber
--
For more options, visit http://beagleboard.org/discuss
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