− | '''3.''' After finishig the soldering, brush smoothly all the contacts. You may use a small iron brush. After that, blow over the circuit to remove any remaining solder-tin. | + | '''3.''' After finishig the soldering, brush smoothly all the contacts. You may use a small iron brush. After that, blow over the circuit to remove any remaining tin. |
− | '''4.''' Inspect visually all the soldered contacts. You could use a magnifying glass for verifying that every soldered pin looks good. If you are not sure, perhaps you could add more tin-paste or re-solder the pin. Also, you could use a multimeter for testing the dubious contacts. | + | '''4.''' Inspect visually all the soldered contacts. You could use a magnifying glass for verifying that every soldered pin looks good. If you are not sure, perhaps you could add more tin or re-solder the pin. Also, you could use a multimeter for testing the dubious contacts. |