I want to start playing with bluetooth connectivity. Are bluetooth modules backwards compatible, i.e. Can the HC-06, HC-05, etc... talk with older iOS devices (Bluetooth 2.1) or would specific modules be needed to communicate with older generation bluetooth devices? Thanks!

Bluetooth module for old iPad connectivity

hc-05 December 1, 2021, 4:50pm 13

ok thanks and let me think about it as i don't know where i stand with apple if i do so.

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