Practical electronics and electrical appliances repair: What started out as a desire to repair two D-Link ethernet over powerline adapters turned out to be a continuous effort to promote effort to reduce electronic waste and encourage re-use through practical repair. Whether the object is old, or not old enough, it can fail. Many of today's companies are choosing cheaper power supply components to reduce the production cost, and often the failure is caused by a very cheap part that can substitute by any user with a bit of soldering skill, which anyone can learn quickly with diligence.