Hi guys, I'm working with the cheap HC05 BT module. Networking is no problem at all. Configuration with AT+COMMAND is also clear. But my hardware send every second around 100 charcters with 9600 Baud and if its not connected its energy consumption is still at 20mA. Thats not an option for a batt…

Bluetooth Energy Saving with HC05 - one clue, no solution yet - #7 by system - Home Automation

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