Problems with Rambo 1.4 Dual End Stop Firmware Release 2.0.5.4

jeffeb3
is this firmware Marlin-1CNC_Rambo_dual is the good one or should i used an other ?

for
rambo 1.4
12 volt ps 6amp
nema 17 stepper 17hs19–2004s1


for a full table 4x8 feet kit whit lowrider 2 CNC
because i tried it and no axis is not working at all !

should i used a 24 volt ps 6 amps insted of the 12 volts ?

please help me !

Thanks