The Raspberry Pi has released many versions. Each version of the Raspberry Pi has a unique version code, which can be viewed with the following command:
cat /proc/cpuinfo
The last three lines indicate the hardware model, version code, and unique serial number of the motherboard. For example:
Hardware : BCM2835
Revision : a02082
Serial : 00000000765fc593
Note: Starting from kernel version 4.9, all Raspberry Pis display as BCM2835, even if they actually use BCM2836 and BCM2837 processors. Therefore, using just this string of characters as a judgment basis is insufficient.
Early Version Codes
The earliest set of Raspberry Pi version codes preset a continuous hexadecimal version code from 0002 to 0015:
Current Version Codes
With the release of Raspberry Pi 2, new version codes were established:
uuuuuuuuFMMMCCCCPPPPTTTTTTTTRRRR
Current version codes:
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