Hello, I have been analyzing your answer, and if I can understand it, maybe it can be useful for my project. I want to control two 28X2 from a HC06. I do not understand the scheme above. The HC06 has 4 pins, VCC, 0V, Tx and Rx (I only use the first three). I have them connected to the first processor (both mounted on an AXE020 board). I understood that I have to connect the 0V of both boards. I imagine that I have to remove two wires from the TX pin and send them as inputs to the plates. Is that so?
The solution I was thinking about, I put it as doubt in a new thread
http://www.picaxeforum.co.uk/showthread.php?30683-Env%EDo-de-una-se%F1al-entre-dos- plates-AX-020 & p = 318872 # post318872. I have not received an answer yet. It's about a board being master and another slave, but I have not managed to make it work, nor do I know if it is possible to solve it like that.
Another possible solution that I have handled is to use two HC06, and from the tablet to connect at the same time to the two to send the signal. It seems that you can not connect to two HC06 at the same time. However, if you accept different types of Bluetooth devices together (for example, a mouse and a keyboard)
Thank you and apologize for my English