I succeeded in giving an AT command. My two BL MAC addresses are
21, 13, A03B and
21, 13, A3E2.
When I want to connect one to the other I use
AT+BIND=21,13,A3E2. But then I see
Error(7). If I use another BL address from the Internet, it works.
So, why won't my 2 HC05 bind?