[Diode Gone Wild] and his cat decided to see how a $3 meter worked inside. The meter was marked as a DT-830B and he already had an older one of the same model, and he wondered how they could afford to ...

点击👆一点电子👇关注我，右上角“...”设为 ★星标★，技术干货第一时间送达！ PCB的制作非常复杂，以四层印制板为例，其制作过程主要包括了PCB布局、芯板的制作、内层PCB布局转移、芯板打孔与检查、层压、钻孔、孔壁的铜化学沉淀、外层PCB布局转移和 ...

Capacitors fail and burn, often taking some PCB laminate along for the ride. Here’s the story of replacing parts and bringing this classic multimeter back to life. It’s been 10 years since a certain ...