MAX7219 with Matrix Leds

Hello guys, I recently bought from ebay two Matrix Leds based on the Max7219, when I connect them to the espruino it powers everything up and then using the web IDE I send this code to the espruino:

SPI2.setup({mosi:B15, sck:B13});
var disp = require("MAX7219").connect(SPI2,B14);


setTimeout(function() {
  disp.raw([1,2,4,8,16,32,64,128]); // you can set the LEDs directly
}, 1000);

setTimeout(function() {
  var n = 0;
  setInterval(function() {
    disp.set(n++); // it can display integers
    disp.intensity(0.5+0.5*Math.sin(n*0.2)); // you set set intensity
  }, 100);
}, 2000);

But nothing happens, any idea?

Does it just hang without showing a > prompt on the left hand side?

well nope, this is all it shows

_____                 _ 
|   __|___ ___ ___ _ _|_|___ ___ 
|   __|_ -| . |  _| | | |   | . |
|_____|___|  _|_| |___|_|_|_|___|
          |_| http://espruino.com
 1v56 Copyright 2014 G.Williams
>echo(0);
=undefined
Erasing Flash.....................
Programming 36000 Bytes.......................................
Checking...
Done!
>reset();
=undefined

greetings

so I tested the same matrix with the arduino and looks ok, does it mean I nead the sd card? or what is the difference of using the SD card?

No, you don't need the SD card for that.

The code you pasted isn't exactly what you sent over, because somewhere there's a save() command and a reset() command?

What happens if you put exactly what you wrote into the right-hand side of the Web IDE and click 'Send to Espruino'? I've just tried it and it works with a MAX7219 here.

oh yes, I was testing both, with and without the save(), but in both cases behaves the same, I even upgraded the firmware

greetings

Same happens to me. When i powerup the Espruino the matrix takes a second or so to startup, then every led turns on. Nothing happens after that, not even disp.off()

Are you sure you've connected the wires up exactly as in http://www.espruino.com/MAX7219

And that you've got the right end (the DIN end, not the DOUT end)

I've just tried again with 1v60, and it still works perfectly.

Huh, just tried my other module and it worked, so it was most likely the wiring. But i'm sure i checked that yesterday. Thanks Gordon you're always so quick to reply.

EDIT: both modules work