You need to boot the HC05 with the Key pin at HIGH level.
then you enter the command mode to communicate with the bluetooth chop.
if its floating or low it will pass all your commands over the bluetooth connection instead of against the chip
Johan
You need to boot the HC05 with the Key pin at HIGH level.
then you enter the command mode to communicate with the bluetooth chop.
if its floating or low it will pass all your commands over the bluetooth connection instead of against the chip
Johan