刚升级了固件，没什么改善。
pi@raspberrypi:~/daqhats/tools $ ./mcc118_firmware_update 0 ~/daqhats/tools/MCC_118.hex
Checking versions...
Hex file firmware version 1.03
Device firmware version 1.01
Do you want to continue? Press Y to continue, any other key to exit. > y
Erasing...done
Writing...done
Verifying...done
Starting firmware...done
Checking device...firmware version 1.03
-----------------------------------------
pi@raspberrypi:~/daqhats/examples/c/mcc118/single_value_read $ ./single_value_read
MCC 118 single data value read example
Function demonstrated: mcc118_a_in_read
Channels: 0 - 3
Options: OPTS_DEFAULT
Press 'Enter' to continue
Acquiring data ... Press 'Enter' to abort
Samples/Channel Channel 0 Channel 1 Channel 2 Channel 3
283 1.74047 V 1.74062 V 1.74109 V 1.74167 V
MCC118采集数值波动
新买的MCC118，改安装完毕，没有连接外部信号，显示的数值不断跳动，峰值～1.7v
https://ppmm.org/images/2020/05/21/46f113b35f53af8397d112702c3572cd.png
如果将输入与AGND短接，则呈现震荡的信号状态。
https://ppmm.org/images/2020/05/21/a7adf835d1578c5baa1402fe41400368.png
请问这个问题如何解决？谢谢！
https://ppmm.org/images/2020/05/21/46f113b35f53af8397d112702c3572cd.png
如果将输入与AGND短接，则呈现震荡的信号状态。
https://ppmm.org/images/2020/05/21/a7adf835d1578c5baa1402fe41400368.png
请问这个问题如何解决？谢谢！
你好。
如果通道悬空，采集到的数据呈现高阻态，任意电压值都有可能。
为保证测试可靠性，需要将导线插入pin脚后，拧紧螺丝。
如果通道悬空，采集到的数据呈现高阻态，任意电压值都有可能。
为保证测试可靠性，需要将导线插入pin脚后，拧紧螺丝。
谢谢，看来是接触问题，插入拧紧后显示正常了
pi@raspberrypi:~/daqhats/examples/c/mcc118/single_value_read $ ./single_value_read
MCC 118 single data value read example
Function demonstrated: mcc118_a_in_read
Channels: 0 - 3
Options: OPTS_DEFAULT
Press 'Enter' to continue
Acquiring data ... Press 'Enter' to abort
Samples/Channel Channel 0 Channel 1 Channel 2 Channel 3
166 4.97113 V 1.74062 V 1.74109 V 1.74678 V
pi@raspberrypi:~/daqhats/examples/c/mcc118/single_value_read $ ./single_value_read
MCC 118 single data value read example
Function demonstrated: mcc118_a_in_read
Channels: 0 - 3
Options: OPTS_DEFAULT
Press 'Enter' to continue
Acquiring data ... Press 'Enter' to abort
Samples/Channel Channel 0 Channel 1 Channel 2 Channel 3
275 3.31255 V 1.74062 V 1.74109 V 1.74167 V
pi@raspberrypi:~/daqhats/examples/c/mcc118/single_value_read $ ./single_value_read
MCC 118 single data value read example
Function demonstrated: mcc118_a_in_read
Channels: 0 - 3
Options: OPTS_DEFAULT
Press 'Enter' to continue
Acquiring data ... Press 'Enter' to abort
Samples/Channel Channel 0 Channel 1 Channel 2 Channel 3
304 -0.00460 V 1.74062 V 1.74109 V 1.74678 V
pi@raspberrypi:~/daqhats/examples/c/mcc118/single_value_read $ ./single_value_read
MCC 118 single data value read example
Function demonstrated: mcc118_a_in_read
Channels: 0 - 3
Options: OPTS_DEFAULT
Press 'Enter' to continue
Acquiring data ... Press 'Enter' to abort
Samples/Channel Channel 0 Channel 1 Channel 2 Channel 3
166 4.97113 V 1.74062 V 1.74109 V 1.74678 V
pi@raspberrypi:~/daqhats/examples/c/mcc118/single_value_read $ ./single_value_read
MCC 118 single data value read example
Function demonstrated: mcc118_a_in_read
Channels: 0 - 3
Options: OPTS_DEFAULT
Press 'Enter' to continue
Acquiring data ... Press 'Enter' to abort
Samples/Channel Channel 0 Channel 1 Channel 2 Channel 3
275 3.31255 V 1.74062 V 1.74109 V 1.74167 V
pi@raspberrypi:~/daqhats/examples/c/mcc118/single_value_read $ ./single_value_read
MCC 118 single data value read example
Function demonstrated: mcc118_a_in_read
Channels: 0 - 3
Options: OPTS_DEFAULT
Press 'Enter' to continue
Acquiring data ... Press 'Enter' to abort
Samples/Channel Channel 0 Channel 1 Channel 2 Channel 3
304 -0.00460 V 1.74062 V 1.74109 V 1.74678 V
你好，小白一个，请教一下你的MCC118怎么安装的，我怎么按照树莓派实验室的步骤安装不成功，得不到浏览器的效果。谢谢 QQ1455672248
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