Having spent years on and off trying to make a pcb using a cnc machine without breaking tool after tool, there was a minor ...

IT之家 9 月 21 日消息，华为昨天有两款平板电脑新品通过了 3C 认证，型号为 BTKR-W00、BJS5-W00，附赠 HW-100400C04 充电器，支持 40W 快充。 IT之家注意到，目前华为官网在售的 MatePad 11.5"S ...

Razer's latest keyboard has plenty of unexpected perks. Its low-latency wireless connectivity makes the BlackWidow V4 Pro 75% ...

在高温工作环境下，PCB材料的热膨胀系数不同于铜的膨胀系数，可能导致过孔附近的铜箔断裂。为了避免这种情况，设计师可以选择热膨胀系数更匹配的材料或通过多层结构分散热应力。 过孔（Via）和元件孔（Pad）有何区别？ 在PCB中，孔径分为过孔（Via ...

Chaos ensued during a CPL match as an LBW decision involving Imad Wasim led to controversy and a lengthy 12-minute delay.

"If I speak, I'll get into trouble. So I better stay quiet on that," TKR captain Pollard said of the incident | ESPN.in ...