<![CDATA[M5Stick-C can not detected RFID Unit]]>將 RFID Unit 連接上 M5Stick-C 時，使用 I2C_Tester 卻偵測不到它，請問是什麼原因呢？謝謝

Running I2C_Tester can not detected RFID Unit. Why?

0_1554476502227_IMG_0858.jpg

]]>https://community.m5stack.com/topic/850/m5stick-c-can-not-detected-rfid-unitRSS for NodeMon, 04 May 2026 21:21:24 GMTFri, 05 Apr 2019 15:02:32 GMT60<![CDATA[Reply to M5Stick-C can not detected RFID Unit on Fri, 05 Apr 2019 17:36:59 GMT]]>@saka Glad i could help.

]]>https://community.m5stack.com/post/3567https://community.m5stack.com/post/3567Fri, 05 Apr 2019 17:36:59 GMT<![CDATA[Reply to M5Stick-C can not detected RFID Unit on Fri, 05 Apr 2019 17:28:19 GMT]]>@ajb2k3

Thank you, I change the address and it works.

]]>https://community.m5stack.com/post/3566https://community.m5stack.com/post/3566Fri, 05 Apr 2019 17:28:19 GMT<![CDATA[Reply to M5Stick-C can not detected RFID Unit on Fri, 05 Apr 2019 16:22:05 GMT]]>There are two I2C ports on the stick, Pin 21 & 22 and 32 and 33
The grove is on pins 32 & 33.
The internal port is 21 & 22
it looks like the scanner is reading 21 & 22.

]]>https://community.m5stack.com/post/3560https://community.m5stack.com/post/3560Fri, 05 Apr 2019 16:22:05 GMT<![CDATA[Reply to M5Stick-C can not detected RFID Unit on Fri, 05 Apr 2019 15:54:28 GMT]]>@ajb2k3

No it can't

]]>https://community.m5stack.com/post/3559https://community.m5stack.com/post/3559Fri, 05 Apr 2019 15:54:28 GMT<![CDATA[Reply to M5Stick-C can not detected RFID Unit on Fri, 05 Apr 2019 15:38:31 GMT]]>@saka said in M5Stick-C can not detected RFID Unit:

將 RFID Unit 連接上 M5Stick-C 時，使用 I2C_Tester 卻偵測不到它，請問是什麼原因呢？謝謝

Running I2C_Tester can not detected RFID Unit. Why?

0_1554476502227_IMG_0858.jpg

Can it detect any other i2c devices?

]]>https://community.m5stack.com/post/3557https://community.m5stack.com/post/3557Fri, 05 Apr 2019 15:38:31 GMT