Reading on web pages i found slave and master module. Which is ok for me?
What is the difference?
A master module can be setted as slave with AT command?
QuoteReading on web pages i found slave and master module. Which is ok for me?Isn't that fairly obvious. One issues commands. One reacts to commands. If the Arduino is going to do nothing until something tells is to, it's a slave, by definition.QuoteWhat is the difference?Really? Google failed you? That is incredibly hard to believe.QuoteA master module can be setted as slave with AT command?Some probably can. Some possibly can't. Depends on how cheap you go, mostly. You get what you pay for. A $2 device is going to lack features that a $2oo device has.
Is it always a slave device if it send back response?
so as addictional feature on HC-05 i can set M or S mode, right?
I need a big help understanding how to make connection between arduino and another BT device (let's call it BT DEV).
Quote from: Dani88 on Oct 28, 2012, 09:17 pmI need a big help understanding how to make connection between arduino and another BT device (let's call it BT DEV).Opps... the bluetooth serial module (HC-05) in master mode you talking about is not entirely a master Bluetooth device. For instance, a master Bluetooth device (like your computer) can talk to seven slave bluetooth devices at the same time, HC-05 can only do one at a time. HC-05 can only do serial connection, whereas a master Bluetooth device should be able to do bluetooth headset, mouse, keyboard, printer, etc.If you are trying to control some existing bluetooth devices (e.g. a bluetooth printer) with Arduino, you probably cannot use HC-05.
So it should be work with HC-05 too if it has a serial connection, right?
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