How To Properly Solder Electrical Wires
Keep the iron in place and touch the solder to the wire until its fully coated.
How to properly solder electrical wires. Before touching the soldering tip to the wires tin the tip by melting a small amount of solder on it. Soldering to component sockets or element pins. Some say its better to joint the two wires using a Y-splice while some only swear by the good ol rat tail splice.
If all went well the blob of solder on the circuit board is. A cold solder joint happens when the hot solder hits a cold wire hardening it. For best results use electrical-grade solder because it is stronger and creates a more secure connection than other solders.
This is a bare non-insulated B or F type crimp terminal. Lastly put Solder on the wire especially on the tip. And repeat this for the bottom left potentiometer to connect it to the bottom right one as well.
You crimp it with the correct tooling then apply solder to the very end of the wire and let some flow into the B or butt cheek part of the terminal. Look for solder that states it uses. But even in the soldering community theres still room to argue.
Now that your wire has been properly tinned it can be soldered to the sensor the same way as the connector below. If you did the cable and the tag at the same time by the time the solder properly melted the wire insulation would have started to melt. So soldering of two overlapping wires.
Use heat shrink to cover the connection. This has a smaller metal area so wont need as long to melt the solder This time I usually put the wire through the hole in the tag and bend it slightly inwards. The trick to soldering is making sure that the joint is fully heated through and not a cold-solder joint.