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XIAO Modules

same form factor compatible pins for shields

Board CPU RAM PSRAM Extras
C3 RISC-V Single Core 400kB n/a
C6 RISC-V Single Core 510kB n/a Zigbee/Thread
S3 Xtensa-LX7 Dual Core 510kB 8MByte
S3 Sense Xtensa-LX7 Dual Core 510kB 8MByte Camera Connector, Microphone