-
If SPI.begin is called in a C++ constructor outside of a function in the user app, it will fail to properly initialize that peripheral.
The example is to use the OPCN2 library in the Particle Web…
-
I can not connect with OPC-N2 sensor, which reports under the Alphasense software firmware version: "FirmwareVer=OPC-017b...............................BD".
During initialization with command:
`alpha …
-
Initially reported here: https://neighborhood.bluz.io/t/possible-ram-space-overflow/611/10
If using a library that uses SPI, or just using SPI at all, seems to make pins D0 and D1 useless. This can b…
-
I noticed that the version is not reported when the device sends back this string
```
OPC-N2 FirmwareVer=OPC-017b...............................BD
```
You mention this in the code but not in the REA…
-
I am using py-opc to read out an opc-n2 - firmware version 17. The reading of PM1 / PM2.5 / PM10 should be in a range of 10-40 µg. Using your library the converted floats in the histogram are somewhat…