So you are spending the night messing around with your Raspberry Pi’s and forgotten what version you are using, instead of having to take the cover of the RPi or walk over to the closet, to see what version it is, you can do this remote from the command line.

From the command line issue the following command:

cat /proc/cpuinfo

output should be something like this:

processor       : 3
model name      : ARMv7 Processor rev 4 (v7l)
BogoMIPS        : 38.40
Features        : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

Hardware        : BCM2835
Revision        : a02082
Serial          : 0000000000000000
pi@bifrost:~ $

look for the part in the bottom saying Revision (in my case it’s a02082)

now use the following list to fire out what hardware it is.:

See More here:

https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md