I would like to know what device and model to use for an wireless application where I will have 1 stm32 as a master micro controller waiting to receive data and transmit data(two-way communication) from 5 slave stm32 microcontrollers.
The Master stm32 controller need to send talk with the particular slave in order to turn a LED . By using switch,i will turn off the led in the slave controller .The slave has to sent state of led to master controller .There will be cases when maybe ...