<![CDATA[UHF RFID Unit crashed M5]]>M5Stack (FIRE) cannot start normally when UHF RFID Unit is connected to port C. It reboots a few times and then hang.

What could be the cause?

]]>https://community.m5stack.com/topic/5266/uhf-rfid-unit-crashed-m5RSS for NodeThu, 05 Mar 2026 19:56:51 GMTTue, 02 May 2023 04:35:08 GMT60<![CDATA[Reply to UHF RFID Unit crashed M5 on Tue, 02 May 2023 11:58:05 GMT]]>Hello @josephleeks

according to the description of the M5GO Base Port the pins used for port C on M5Stack Fire are GPIO16 and GPIO17. Unfortunately those pins are already used internally for PSRAM. In other words, if I am not mistaken, port C on M5Stack Fire cannot be used.

Thanks
Felix

]]>https://community.m5stack.com/post/20734https://community.m5stack.com/post/20734Tue, 02 May 2023 11:58:05 GMT