ALPHA® Telecore XL-825 lead-free cored solder wire minimizes spattering in hand soldering operations, thus reducing circuit board contamination and enhancing worker safety and comfort.
This is what the fully assembled How to Solder Kit looks like. Depress the button and one of the LEDs will remain lit at the end (it eventually times out). You can add some kind of template so each LED position has some meaning. The PCB has a real gr
| 1 |
