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I'm having an issue while reading the histogram from my device:
```
Trying to connect to instrument ttyACM0 ...
Connected to instrument!
Connected to Alphasense OPC-N2v18.2
Device status:
{'L…
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**Submitting author:** @dhhagan (David Henry Hagan)
**Repository:** https://github.com/dhhagan/py-opc
**Version:** 1.4.1
**Editor:** @Kevin-Mattheus-Moerman
**Reviewers:** @tshu
**Author instruction…
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Related to #69, running the example script for the device using `python3` results in
```pi@raspberrypi:~/py-opc $ python3 reviewTest.py
Traceback (most recent call last):
File "reviewTest.py", …
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I am trying to connect an OPCN2 to a Raspberry pi 3 using the USB-SPI connection. I've checked that the connection is in ACM0, the OPC has firmware version 18, and I've downloaded the pyusbiss version…
krkol updated
6 years ago
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Dear David,
I am a 3rd year university student doing a small project requiring to interface the alphasense sensor with RPi. I am having difficulties to establish communication and was hoping you can…
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Hi everybody
A few weeks ago, I had run PM2.5 sensor on Raspberry Pi and it worked fine. Today I checked it again, but it does not work! I receive following error message: "Your frimware version coul…
H60gh updated
6 years ago
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I have difficulty interpreting the data obtained by PMS5003.
Looking at these values it would seem that the data of PM1, PM2.5 and PM10 to be considered are
**x_pm1_std**, **x_pm25_std** and **x_p…
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I connect a PM2.5 sensor into Reaspberry pi using SPI. Then I follow the example in Python 3.4.2, but it seems "alpha/alphasense" variable does not work well and alpha.ping() returns "False". As I tes…
H60gh updated
6 years ago
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Allow people/orgs using the code to list themselves (if desired) so we can see who all is using this codebase!
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Hi,
I am using python 3.5 and OPC firmware 18.2 on an Rpi3.
I am getting the following error when I hit the line alpha.on():
AttributeError: 'OPC' object has no attribute 'on'
Can you help …