PoE（Power over ...

LT4275BIDD IEEE 802.3af（类型 1）13W 受电设备的典型应用电路。 LT4275 是引脚对引脚兼容的 IEEE 802.3 和 LTPoE++ 受电设备 (PD) 控制器系列。 LT4275A 采用专有的 LTPoE++ 分类方案，可提供 38.7W、52.7W、70W 或 90W 功率 欢迎加入EEWorld参考设计群，也许能碰到搞同一个设计的小 ...

This document focuses on a reference design for a simple, low cost 3.3 V 3 A flyback converter based on the PM8800A device.

POE（Power Over Ethernet）是一种通过以太网电缆同时传输数据和电力的技术。 POE的标准有两个主要版本： -IEEE 802.3af提供最高15.4W的电力，实际到设备大约12.95W，适用于功率需求较低的设备。 -IEEE ...

这款摄像机采用PoE供电，支持802.3af标准。摄像机具备IP67防尘防水能力，支持-30~60℃工作温度，并支持水星安防APP远程管理，全系列支持云PoE。

深圳市迪泰科思科技有限公司创立于2005年，是国内早期从事宽带网络产品、光纤通讯产品、线缆通讯产品研发、汽车充电相关产品生产的高科技企业，公司致力于让任何智能终端设备在任何地方，都能便捷、高速地接入局域网或互联网，实现客户的智能化的管理。

There have been a number of updates since the standard’s inception. The most recent version of the standard is 2.2, which was ...

Waveshare has recently launched the ESP32-S3-ETH development board with an Ethernet RJ45 jack, a camera interface, and compatibility with Raspberry Pi ...

SECO-LARM announces that its entire line of ENFORCER Network Video Recorders (NVRs) supports connections to Dropbox and ...

Edgar Poe was born on January 19th, 1809 to traveling actors Eliza and David Poe. When Edgar was a baby, David abandoned the family, leaving Eliza to support three young children. In a devastating ...

The Poe Museum began over a century ago when an Edgar Allan Poe collector and researcher named James Howard Whitty and a group of literary enthusiasts met in Poe’s hometown of Richmond, Virginia to ...