Hello Sk Sir soldering iron me current aaye to Kaise Sahi mere pass 10 watt soldering iron he element bhi change kar kar dekh reply karo sk sir please 🤔🤔🤔🤔👩❤️👨
Sir transistor se signal out karna he to transistor npn ho ya pnp ho hamesa E mittar se hi out hoga ya koe aur tarika he palise Ripley audio signal pass karna he