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Step 7Crimp the loops over the pins, then solder them
Use tweezers to crimp the loops tightly around the pins. The connection only needs to last as long as it takes to apply the solder.
If more than one wire is to be connected to a pin, you have a choice:
a) Do the same as above, crimping a second loop to the same pin and then solder both wires to the pin.
b) Solder the first wire to the pin. For the second wire, don't loop it, keep it straight. To connect it to the already soldered pin, dip the end of this wire in some rosin paste (to clean it and encourage the solder to bind to it). Re-heat the solder on the pin and push the wire onto the molten solder.
If you use soldering paste, avoid using too much. The paste residue can carry current which, unless removed, can wreak havoc on your circuit. You can use a toothbrush with isopropyl alcohol to remove excess flux.
If more than one wire is to be connected to a pin, you have a choice:
a) Do the same as above, crimping a second loop to the same pin and then solder both wires to the pin.
b) Solder the first wire to the pin. For the second wire, don't loop it, keep it straight. To connect it to the already soldered pin, dip the end of this wire in some rosin paste (to clean it and encourage the solder to bind to it). Re-heat the solder on the pin and push the wire onto the molten solder.
If you use soldering paste, avoid using too much. The paste residue can carry current which, unless removed, can wreak havoc on your circuit. You can use a toothbrush with isopropyl alcohol to remove excess flux.
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