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by paolojo
Tue May 08, 2018 5:21 am
Forum: General discussion
Topic: node-red: template node
Replies: 6
Views: 730

Re: node-red: template node

thanks a lot!the problem is my knowledge about hmtl language applied to node-red. The form should consist of three 3 fields (one row, three coloumns): 1st field: should contain a fixed text (defined in the program) (ex. “Sensor_1”) 2nd field: should contain a check box or a switch. The user can sele...
by paolojo
Mon May 07, 2018 7:15 am
Forum: General discussion
Topic: node-red: template node
Replies: 6
Views: 730

Re: node-red: template node

thanks a lot!
and what do you think abouto SVG directives?
Using template node, I have also the need to create something like a form page, where the can insert some input .
For realize this, what can I use?
Thanks a lot in advance
Paolo
by paolojo
Sat May 05, 2018 10:54 am
Forum: General discussion
Topic: node-red: template node
Replies: 6
Views: 730

node-red: template node

hi all, in my red-node application, I would use template node to configure a customized ui. reading the documentations in the web, I've found that the template node could use HTML language and angular or other language. could you explain me the difference between the language? for a beginner user, w...
by paolojo
Fri May 04, 2018 8:53 am
Forum: General discussion
Topic: configuration file manipulating by pyhton script
Replies: 1
Views: 137

configuration file manipulating by pyhton script

Hi all, Using a python script, I have the need to modify the hostapd.conf file. In detail I have the following hostapd.conf code: interface=wlan0 bridge=br0 hw_mode=g channel=7 wmm_enabled=0 macaddr_acl=0 auth_algs=1 ignore_broadcast_ssid=0 wpa=2 wpa_key_mgmt=WPA-PSK wpa_pairwise=TKIP rsn_pairwise=C...
by paolojo
Wed May 02, 2018 6:54 am
Forum: General discussion
Topic: how to edit text file using commands
Replies: 3
Views: 293

Re: how to edit text file using commands

thanks,
please, could you indicate me the packages? I'm just searching for these. thanks a lot
by paolojo
Tue May 01, 2018 9:10 pm
Forum: General discussion
Topic: how to edit text file using commands
Replies: 3
Views: 293

how to edit text file using commands

hi guys, today i'm here to ask you help about the python/java script commands to use in order to manage the text files. In detail, I would write a java script (or a python script) able to search in a text file the row containing a specif string and then, able to replace the above row with another ro...
by paolojo
Mon Mar 05, 2018 11:22 pm
Forum: Other programming languages
Topic: NODE RED: ui_form node
Replies: 1
Views: 828

NODE RED: ui_form node

Hi all! In my application I'm using an UI_FORM node. My problem now is how can I "extract" the data inserted in the UI. In detail, the UI_FORM consist of two elements: - label1 name1 type1 ; - label2 name2 type2 ; the output of UI_FORM is {"label1":XX, "label2": YY} where XX and YY are the values in...
by paolojo
Fri Feb 16, 2018 8:45 am
Forum: Automation, sensing and robotics
Topic: Rpi as eddystone beacon
Replies: 1
Views: 657

Rpi as eddystone beacon

Hi guys.
I would use raspberry pi0-w as a beacon eddyston.
is this possible? Could you give me some suggestion?
The aim of my application is sending a broadcast message to all smartphone near the Rpi. The message shoul contain a simple string
Thanks in advace
Paolo
by paolojo
Fri Jan 19, 2018 8:23 am
Forum: General discussion
Topic: node-red dashboard without a network
Replies: 3
Views: 654

Re: node-red dashboard without a network

Thanks,
very interesting. Could you suggest me a tutorial which explain how to do that?
I've followed the tutorial:
https://thepi.io/how-to-use-your-raspbe ... ess-point/
but, now i don't know how to proceed.

Could you help me?
thanks
Paolo
by paolojo
Thu Jan 18, 2018 10:55 pm
Forum: General discussion
Topic: node-red dashboard without a network
Replies: 3
Views: 654

node-red dashboard without a network

Hi all! I need your help for my application. The application consist of the following elements: - raspberry pi3 - tablet (or similar) - relay The relay is connected (by wire) to the raspberry. Then the raspy, connected to the tablet using a wireless connection, visualizes on the tablet (by a dashboa...
by paolojo
Mon Jan 15, 2018 1:46 pm
Forum: Automation, sensing and robotics
Topic: Connection between raspberry tablet and ESP8266
Replies: 2
Views: 525

Re: Connection between raspberry tablet and ESP8266

Thanks, but how do you realize the wireless connection between the raspberry, the ESP and the tablet? Do you set the raspy as an AP? ?'ve followed the tutorial in https://thepi.io/how-to-use-your-raspberry-pi-as-a-wireless-access-point/ It seems ok: I see the wifi network and I am able to connect my...
by paolojo
Sun Jan 14, 2018 12:07 am
Forum: Automation, sensing and robotics
Topic: Connection between raspberry tablet and ESP8266
Replies: 2
Views: 525

Connection between raspberry tablet and ESP8266

Hi guys, I have a hot question for you. My system consist of: - raspberry pi 3; - tablet android; - ESP8266 The aim of my application is the following: raspberry read the data from the ESP8266 (pin status) and displays it on the tablet using a node red dashboard. My question is: is a router necessar...
by paolojo
Thu Jan 04, 2018 10:55 pm
Forum: Raspbian
Topic: RTOS on raspberry pi3
Replies: 14
Views: 18300

Re: RTOS on raspberry pi3

Why Arduino?
by paolojo
Thu Jan 04, 2018 9:22 pm
Forum: Raspbian
Topic: RTOS on raspberry pi3
Replies: 14
Views: 18300

Re: RTOS on raspberry pi3

At the moment i don't know exactly which sensor..but in general i have the need to work without lags
by paolojo
Thu Jan 04, 2018 4:49 pm
Forum: Raspbian
Topic: RTOS on raspberry pi3
Replies: 14
Views: 18300

Re: RTOS on raspberry pi3

Thanks for your replays.
My need is very easy: have a routine which reads the sensor output every 1ms or 5ms depend on the sensor without lags/delays.
Do you think raspbian is good for this type of need?
by paolojo
Thu Jan 04, 2018 3:33 pm
Forum: Raspbian
Topic: RTOS on raspberry pi3
Replies: 14
Views: 18300

RTOS on raspberry pi3

hi everybody and happy new year!!! 2018 starts with a great question: does exist a real time OS for raspberry pi3? My aim is to develop an agricultural application able to read some sensor outputs and able to drive some motors/valves in the tractors. Could you give me some suggestions? Thanks in adv...
by paolojo
Fri Dec 15, 2017 4:26 pm
Forum: Other programming languages
Topic: node-red at startup
Replies: 7
Views: 8035

Re: node-red at startup

Yes!
Sorry, I meant "sudo". But unfortunately, it doesn't work at the next boot
by paolojo
Fri Dec 15, 2017 3:07 pm
Forum: Other programming languages
Topic: node-red at startup
Replies: 7
Views: 8035

node-red at startup

Hi,
I would start node-red at the boot of my raspy pi3.
I've tried the following command:
udo systemctl enable nodered.service
but it doesn't work.
Someone can help me?
Thank in advance

Paolo
by paolojo
Tue Nov 07, 2017 3:47 pm
Forum: General discussion
Topic: How to control AC 230V lights
Replies: 5
Views: 1386

How to control AC 230V lights

Hi all. I would like to control my Christmas bulb lights (230V AC) using raspberry pi3. In detail, I would not only to turn-off and turn-on (as speed as possibile), but also I would dimmer the bulb lights. For this, I’m searching for an electronic commercial device (i.e. ready to use and in particul...
by paolojo
Thu Sep 21, 2017 9:41 pm
Forum: General discussion
Topic: How to accede to node-red dashboard outside my local network
Replies: 10
Views: 5553

Re: How to accede to node-red dashboard outside my local network

I'm following your suggestion. I've installed dataplicity in my raspi and I've activated the wormhole. All works! But my question now is: how can I visualize the node-red dashboard from remote using dataplicity wormhole? I've tried to add the port "1880" (node-red UI port) to the wormhole address.. ...
by paolojo
Tue Sep 19, 2017 9:47 pm
Forum: Troubleshooting
Topic: ngrok and noVNC
Replies: 0
Views: 243

ngrok and noVNC

Hi all, I'm following the tutorial: https://www.dexterindustries.com/howto/access-your-raspberry-pi-from-outside-your-home-or-local-network/ I have some problems when I try to access to raspy from a browser using noVNC. Could you explain me step by step the paragraph "Accessing The Pi Desktop Using ...
by paolojo
Thu Sep 14, 2017 12:20 pm
Forum: General discussion
Topic: How to accede to node-red dashboard outside my local network
Replies: 10
Views: 5553

Re: How to accede to node-red dashboard outside my local network

I'll try as soon as possible.
Thanks a lot!
Is in your opinion dataplicity the best choice to do this?
What do you think about, for example, "my devices"?
by paolojo
Thu Sep 14, 2017 11:57 am
Forum: General discussion
Topic: How to accede to node-red dashboard outside my local network
Replies: 10
Views: 5553

Re: How to accede to node-red dashboard outside my local network

Fantastic!
Is there a tutorial about this?
by paolojo
Thu Sep 14, 2017 11:18 am
Forum: General discussion
Topic: How to accede to node-red dashboard outside my local network
Replies: 10
Views: 5553

Re: How to accede to node-red dashboard outside my local network

but my request is control the node red UI from anywhere, i.e. out my local network.
Does dataplicity do this?
by paolojo
Thu Sep 14, 2017 10:51 am
Forum: General discussion
Topic: How to accede to node-red dashboard outside my local network
Replies: 10
Views: 5553

Re: How to accede to node-red dashboard outside my local network

very interesting but my problem is my internet box: i can't do port forwarding!
have you the solution?
Thanks

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