i'm using this type of relay module outside of pcb
https://cdn.shopify.com/s/files/1/0300/6424/6919/files/Relay-Module_600x600.jpg?v=1617261184
https://cdn.shopify.com/s/files/1/0300/6424/6919/files/Relay-Module_600x600.jpg?v=1617261184
forgot about internal relays remove them using external one as upper link still facing same issue
here diagramremote Fan speed control ac dimmer.pdf (164.3 KB)
this power supply powering my circuit and relays using this with 5v regulator ic
7805cg(smd)
HLK-PM01 Hi-link - 5V 3W - AC to DC Power Supply Module buy online at Low Price in India - ElectronicsComp.com