I'm trying to connect HC-05 to a device (HC-05 connected with Arduino Uno), I managed to enter the AT command and currently in process of connecting it. here are the pairing command: ` * AT+UART=57600,0,0 AT+ROLE=1 AT+PSWD="0000" AT+CMODE=0 AT+BIND=C464,E3,EB8454 AT+IAC=9E8B33 AT+CLASS=0 AT+INQ…

I solved the problem by upgrade it to VERSION:4.0-20190815 from VERSION:4.0-20190728

HC-05 does't return ok for few commands

Projects Networking, Protocols, and Devices

ha_chaeyeon October 20, 2021, 9:11am 11

yes, I'm highly sure it is HC-05 (I'll upload the module here). I used it once but I believe it's broken due to intensive usage. I follow this tutorial How to Pair HC-05 Bluetooth Modules - YouTube at baud rate 38400

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HC-05 does't return ok for few commands

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