Power over Ethernet (PoE) systems are technologies that deliver both electrical power and data over a single Ethernet cable, typically a twisted-pair cable like Cat5e or Cat6. A twisted-pair cable, ...

2025年10月20-22日，被业界公认为中国风电产业发展“风向标”的北京国际风能大会暨展览会（CWP2025），在北京中国国际展览中心（顺义馆）圆满落下帷幕。作为年度收官阶段最具分量的风电产业盛会，本届展会不仅规模创下历史新高——展示面积突破12万平方米 ...

It’s a Wi-Fi smart switch that can control all kinds of devices, such as lights or small electrical devices. Basically, anything within its 10A limit. What’s new compared to the previous BasicR4 is ...

The fifth prize of CNX Software Giveaway Week 2025 will be the USB Vsense USB PD voltage indicator. I received three samples for review last August, so I’m keeping one for myself, giving one here on ...