Can you indicate me a invasive current sensor very sensitive, a relay module (at 230VAC) and a infrared sensor for NUCLEO_F401RE?

I need current alternating sensor very sensitive misuring the standby current of home appliances, a relay working with 230VAC appliances, and a infrared sensor with a remote control for reactivate the relay module. Can you help me please?

If possible say me how can I find also the code for these sensors, for NUCLEO_F401RE board

Thank you.