Surprised there’s not more questions about this? Just got my core setup and had to turn off my MAC Address filtering on my router. However, I want it back on but how do I find the MAC Address of my spark???

see [image] MAC address of spark core Getting Started A ‘pull request’ is a method for contributing code to a project through Github: https://help.github.com/articles/using-pull-requests Once we open source the Spark Core fi…

I already saw that link and it’s of no help. I’ve got a fair bit of experience with Arduino, but green with the spark. The sample Arduino sketch is of no help as it has to be modified to use the suggested Network class. Tried to find info on the Network class to do this, but can’t find the docs o…

@deejayspinz , does your router’s web interface have a page that shows the connected devices? It migh be called “DHCP Client status” or something. That might show the MAC address there. With the Spark off, find that page, switch Spark on and refresh until a new device appears. Paul

Ok… After about an hour of messing around with the core, I solved the problem of getting the MAC Address of the core so I could enter it in my Router for MAC filtering… Anyways, here’s the suggested steps. If anyone has to go through this and finds a better way, let me know and I will update. Goa…

In case anyone else comes here in hopes of finding a solution to getting their mac address, here are some helps: Network.macAddress(mac); doesn’t exist anymore, use WiFi.macAddress(mac); Also, this code above will print your MAC address backwards and not zero padded. YMMV, but try this: //www.…

If you just need to know your MAC address, you can put your device in Listening Mode and press m https://docs.particle.io/support/troubleshooting/troubleshooting-tools/photon/#display-mac-address

I have a peculiar situation… The MAC Address on my Photon has a ‘0’ in it and when I print the mac address it gives me the letter ‘b’ for the segment and iterates through the rest of the segments as expected. I printed the DEC value and it gave me 11 which when converted to HEX is ‘b’. I’m using th…

To make the story more interesting, I followed the link above and (press ‘m’ when in listening mode) and it generates the MAC Address with the correct segment: ‘0b’.

Hi @tinkererer Hex numbers are not printed with leading zeros in Arduino land so the behavior you are seeing is correct. There are lots of ways to work around this. Here’s one: for( int i=0; i<6; i++) { Serial.print(mac[i]>>4,HEX); Serial.print(mac[i]&0x0f,HEX); if (i != 5) { …

Thanks @bko That explains a lot and worked like a charm!

How to get MAC Address?

mdma January 10, 2014, 1:21am 2

see

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How to get MAC Address?

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