I got a request this morning for a tutorial/example of streaming data from a Photon to a local node.js server, and then graphing it on a web page. I thought that sounded interesting, so here it is. It’s currently sending a sample every 20 milliseconds (50 samples per second) though it can go faster …

Thanks a million, this was extremely helpful!

Thanks! I have a newer version of the code in the post below. The new version is more complicated, but it eliminates the need to hardcode the IP address in the Photon code, authenticates the data connection, and combines the server functions so everything runs over a single port. [imag…

Hello. I tried the code and it didn’t work. My localhost just showing “Live graph” screen. I have flashed the code on to particle. Can someone help me to understand whats going on? Thankyou RN

Showing the Javascript console in your browser may be helpful to see if there are errors. Also, the example does not work on Internet Explorer or Edge because they don’t support SSE. And monitoring the USB serial output from the Photon will indicate whether it’s able to send data to the node server. …

Hi rickkas, I’ve tried the code and it works great. I was wondering if there is any way this can be done, except that the Photon and laptop are not on the same Wi-Fi network. Thanks, Ben

Asking the same question multiple times is just going to bind resources without extra value [image] Particle publish high frequency? General TCP would work just as well as long you get a route between the two devices.

Photon/node.js live streaming graph web page example

Social Project Share

ScruffR May 8, 2017, 5:42am 8

Asking the same question multiple times is just going to bind resources without extra value

Topic		Replies	Views
Live data from photon shown on server General	8	4331	April 6, 2016
Local server in node.js example Project Share	51	15190	April 10, 2018
Data Streaming with Photon on Local Network Cloud	8	2057	May 24, 2018
How to create simple web application to view the Particle Stream Events Integrations	12	2295	May 15, 2021
Logging Data Every 10ms - Best way to retrieve it over the web? Getting Started	4	2085	July 17, 2016

Photon/node.js live streaming graph web page example

Related topics