26/03/2026
At the IPC Hand Soldering Competition held in , 🇩🇪, Yang Yan from Zhuzhou Institute claimed the World Championship with an outstanding score of 871 out of 887.
Yang completed the soldering task with speed and composure, finishing 6 minutes ahead of schedule. However, during the functional testing, one LED on the circuit board failed to light up. After a quick check, she discovered that the polarity of the light-emitting diode provided by the organizer were opposite to the standard she was accustomed to. Thanks to the time she had saved earlier, she calmly carried out the rework, corrected the polarity, and successfully restored all functions.🦾🕰️⚙️