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through the headset
orangepi@orangepi:~$ amixer -c 0 cset name='Capture MIC Path' 'Main Mic'
orangepi@orangepi:~$ arecord -D hw:0,0 -d 5 -f cd -t wav /tmp/test.wav
3.13. Temperature Sensor
1) The command to view the system temperature sensor is:
orangepi@orangepi:~$ sensors
soc_thermal-virtual-0
Adapter: Virtual device
temp1: +41.9°C (crit = +115.0°C)
gpu_thermal-virtual-0
Adapter: Virtual device
temp1: +43.8°C
2) The command to view the current temperature of the nvme ssd solid state drive is:
orangepi@orangepi:~$ sudo smartctl -a /dev/nvme0 | grep "Temperature:"
Temperature: 40 Celsius
3.14.
40 Pin interface pin explanation
1) Orange Pi 3B Development board 40 Pin interface pins, please refer to the figure
below
2) The function of the Orange Pi 3B development board 40 PIN interface pins is shown
in the table below.
a. Below is a complete pins of 40pin
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