Topics created by lukec

Hello @lukec,
I have sent you an e-mail with further questions.

Hi @lukec,

You can try the current Node-RED image, which is available at this link: https://kb.unipi.technology/en:hw:007-patron:download-image:02-nodered

Best regards,
Antonin, Unipi

Hello @lukec,
Docker is meant to be a platform for running HW independent SW. The Evok depends on the UniPi ModbusTCP server, which depends on the kernel module, so it is pretty much down to the hardware kind of application (heavy SPI and I2C communication). You can "enclose" your application with certain Evok version and configuration into Docker container, but it will still require manual work on the Docker host to make it transportable accross different UniPi controllers.

Martin

Tomas,

thank you, putting "-d" in front (bus = -d /dev/ttyUSB0) worked - maybe you could update the evok.conf file with this (as example)

BR

True, if "cmd":"set" addet to json string, ws command works.

Reliability of ws is not as expected - bmo it is beter to use http post methods.

ps.
Can you please tell what are other commands in cmd?

I did as sugested I grounded cables for 1wire network connection. But it doesnt solve the issue.

I guess it has to be power issue - I have 1x Unipi, 1x Rasperry Pi 3 and 1x EMO-8R module in addition 14x 1wire DS1820 temperature sensors.

I am trying to figure out maximal power needed and so far I come with:
1.5mA/1wire DS18b20
1.5A/Unipi+RPi - 2.5A - RPi 3 model B (but only 1.1A is provided through Uni.pi) in opreational mode 250-500mA, that leaves around 1A for UniPi board and another 750mA for EMO-R8.

Bottom line 2.4A should be enough for uni.pi main board, but not necesaray for extension module - could this cause 1wire lost problems?