The module came with a 4-pin header, and I have added the pins for STATE and KEY, and removed the plastic around the module to get access to the pins: JY-MCU V1.5 Moduleīelow is an image of the JY-MCU HC-06 (JY-MCU V1.5) module. for a wireless serial bridge.įor most use cases the HC-06 is enough, as typically I want to have a wireless UART connection to my devices from my notebook. This makes it only useful for say connecting a notebook as a master to a robot with a slave module e.g. Or in slave mode to make a wireless bridge to a notebook. a Robot being a master and connecting to slave bluetooth module. The HC-05 module can build a connection to other modules.The HC-06 firmware on the other hand only can be a slave device, with very limited AT commands. The HC-05 has the ‘full’ firmware on it: many AT commands, and can be both master and slave module. □ Check out this post which explains how to re-program the firmware of the device with firmware programming adapter: HC-06 and HC-05 (Source Wavesen Data Sheet)
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