Yes , I plugged radio(nf24l01), some sensors(dht22, ultrasonic distance sensor and luminosity sensor) and sd card module.
Yes, It was working properly in the beginning, then it started to warn me that it was getting low voltage while overheating.
No, There is no obvious damage.

After giving power to my RPi 3 Model B, It loops in the boot phase. Before this problem my pi was frequently overheated and shut itself down. Then this overheating issue become a serious problem even the pi did not turn on properly. I've realised the overheated part is BCM43438 WiFi chip. It became ...