About raykill99

raykill99 · 2014-03-17

Posted on March 17, 2014 at 16:56I'm having a problem with my usart communication between stm32f4 and hc-05 bluetooth module. I'm trying to configure the AT command of HC-05 using the stm32 board and i'm checking the response using the USB serial mo...

raykill99 · 2014-03-18

Posted on March 18, 2014 at 15:47Hallo mccarty, I think you are right. I used the board that was soldered by myself. I just bought a new HC-05 with the breakout board and i don't have any problem configuring the at command at all for now. Thank you...

raykill99 · 2014-03-17

Posted on March 18, 2014 at 00:49Now i get a new problem. I actually need to plug and unplug my usb serial from my PC a few times (usually 2-5 times) to get a response from the bluetooth module. why is that?

raykill99 · 2014-03-17

Posted on March 18, 2014 at 00:30Thank you for the response mccarty, I haven't tried to connect my usb through putty cause i never use it. but maybe i will try it later. I tried sending the at+version and this is the response i get :+VERSION:2.0-201...

raykill99 · 2014-03-17

Posted on March 17, 2014 at 20:50thanks clive for your help. i still don't understand why but i need to plug the usb serial after i plug the stm32f4discovery supply cable first. If i tried to do the other way around, i will not getting any response....

raykill99 · 2014-03-17

Posted on March 17, 2014 at 20:40I don't know the type of the usb serial cause i just borrowed it from the lab. But i don't think the voltage level is the problem cause i already tried usart comunication between the stm32 to usb serial (i can see th...

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stm32f4discovery problem with hc-05 bluetooth module

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Re: stm32f4discovery problem with hc-05 bluetooth module

Re: stm32f4discovery problem with hc-05 bluetooth module

Re: stm32f4discovery problem with hc-05 bluetooth module

Re: stm32f4discovery problem with hc-05 bluetooth module