Try to google for "plug case"

Billy

I think i found them

http://www.aliexpress.com/store/product/1pc-MAX7219-dot-matrix-module-microcontroller-module-4-in-one-display/1182157_32432589557.html

@Lecram71 I always add a cap to the Vcc, just to make sure. Never failed for me.

Wow, thats great !

Could you please post an AliExpress link to the displays you used ?

Regards,
Andre

Did you add some 47 uF Cap between Vcc and gnd on the nRF module ?

BTW, i use these, i don't need it so colorfull

http://www.banggood.com/400Pcs-6cm-Breadboard-Jumper-Cable-Electronic-Wires-Black-Red-Colour-p-949895.html

Hi Mark,

maybe you could use this

http://www.banggood.com/5M-1_27mm-20P-DuPont-Cable-Rainbow-Flat-Line-Support-Wire-Soldered-p-959792.html

Andre