Testing C++ signal-slot libraries by Julien Jorge

If it is not powered on, run the power on slot slot-id command in the Slave mpu is not compatible with the master, and power off board

slot needs to perform the intended result of the signal Intercepting the arguments def fn: _clicked(checked, additional args>

signal and slot in qt Usually, a connection can only be made if the slot has the same number of arguments as the signal , and if all the argument types are compatible

signal and slot arguments are not compatible Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time Signals