Official EVOK API

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  resend unchanged values from DS18B20 sensors
  • Christian

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  Hello @christian, the websocket interface sends only values which has changed. To request all current values, send this command at any time: {"cmd": "all"} Best regards, Martin
• C

  1-wire sensors lost after some time
  • Christian

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  Hello @christian, it is hard to see from the picture, but it looks like your sensors are connected in star topology. This is highly unrecommended and you can read more about it here: https://www.maximintegrated.com/en/app-notes/index.mvp/id/148 Best regards, Martin
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  MQTT to unipi Control Panel
  • juntiedt

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  unipi1.1. evok to MQTT using Node-Red
  • juntiedt

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• C

  load average over 1
  • Christian

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  Hello @christian, yes, this load is quite normal. The Evok is doing quite a lot of work and as I can see, you are running InfluxDB as well (Not a good idea on the SD card by the way) so the load very well may be around 1. Best regards, Martin
• C

  change configuration registers for DS18B20 (1 Wire)
  • Christian

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  Hello @christian, it isn't, but I just add it to the list of feature requests:) Best regards, Martin
• C

  PWM output Neuron
  • cvrcejir

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  Hello @cvrcejir, I am sorry but I have to confirm that. Moreover, the Evok 2.0.7i brought even more errors than it fixed, so please, downgrade to the 2.07h: apt install evok=2.0.7h. I am sorry for the troubles, Martin
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  Unipi with diozero
  • rick3ry

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  Hi @rick3ry, the evok only engages the pull up resistors via pygpio library. There is no other magic from our side, so you need to consult the behaviour of the diozero library with its authors. Thank you for understanding, Martin
• B

  1-wire sensor not listed in /w1/devices/ -wrong plug occupancy?
  • bibabutzemann

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  Hello @bibabutzemann, the 1-Wire pinout on our PLCs is documented here: https://kb.unipi.technology/en:automation:02-glossary:1wire-hidden Since your sensor is not original from UniPi (we have 4 wires), I can only guess the function of the wires: red: Vcc black: GND yellow: 1-Wire But you need to refer to the documentation of your sensor, or do the blind test which may damage your sensor. Best regards, Martin
• M

  Sysfs interface support for extension modules
  • marko2276

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  Hello @marko2276, only the local PLC IOs are exposed via the SysFS at the moment. Best regards, Martin
• J

  Watchdog and LED Device mixed in JSON/REST Interface
  • Joerg

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  Sorry Tomas, maybe I have problems understanding watchdog operation. I have the new evok.py in place and when trying to activate (not to perform manual reset) the watchdog on the web interface I get: [I 190116 08:04:54 web:2064] 304 GET /rest/wd/1_01/ (::1) 4.81ms [I 190116 08:04:59 neuron:1296] Performed reset of board 1_01 [I 190116 08:04:59 web:2064] 200 POST /rest/wd/1_01/ (127.0.0.1) 13.44ms The watchog stays inactive. Sometimes my Neuron stops working (every second LED on the main unit is blinking) and a manual power cycle is needed.
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  This topic is deleted!
  • YoleJemd

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  This topic is deleted!
  • zhangzk

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• C

  1-wire sensor not detected in Evok web interface
  • clueless

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  Hi @clueless, Glad to hear it's working - I'm not sure what exactly could have gone wrong, as everything seemed to be okay in the logs, which left me, well, quite clueless. I was hoping to get back to you with some more information, but frankly could not think of any simple checks to be made. At any rate - I am very glad to hear that it is working for you now!
• J

  Way from Neuron Beta Image to regular Release
  • Joerg

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  Hi @joerg, the UniPian image is indeed broken and not just the download file. There are problems inside, so we removed it from our website and until further notice, it will not be available. You can use stock Raspbian and just to install our packages. To learn how, read this tutorial: https://kb.unipi.technology/en:sw:04-unipi-firmware Best regards, Martin
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  • blair2019

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  Switching relays in synchronous mode?
  • majorcsa

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  Hi @majorcsa, I have added this feature via a config file switch to the Master branch of EVOK. As I've mentioned before it may take a while to propagate to our releases and debian packages, but you should be able to test it out manually. I hope this helps, Kind Regards
• J

  Vanishing 1-wire sensors
  • JasperJackson

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  Hello @stoeffel, If this happens, you do not need to reboot the whole neuron, just reset the 1Wire bus using Modbus or OW_off variable in case of Mervis. Let us know what you find out.
• 

  sysfs interfacing
  • Martijn Hemeryck

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  'nother update: giving it some thought, I quickly wanted to see if I could do the same stuff again in go, so here goes another POC: https://github.com/mhemeryck/unipitt/blob/37b9a07bc570301c2a11836526df1a2be8b21647/main.go (Don't mind the project name though, I've sort of ran out of original names, I guess) Anyways, performance seems much better in this case. I figure I'll put my efforts into polishing this project as it seems to be the simplest, fastest, most robust. I did notice however when toggling one of the DI's, that another DI also got toggled somehow, still need to investigate that further. Thanks for continuous feedback, this actually adds a lot to me for the overall unipi experience!
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  EVOK and PIGPIO
  • luc

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  @tomasknot The wiegand is 0-5 Vdc (it's not even 5 its 3.8Vdc) Wiegand data pulses are 50ys width and come at 1ms wiegand protocol (while Neuron DI locial 1 must be higher then 4.5Vdc and min puls with is 20ys) Is there any possibility to connect this to Neuron M103 Are there raw PI inputs available?