活力優鮮 » Blog Archive » 【電池教室13】如何選購電源供應器及變壓器？ 幾乎所有電子產品皆需靠電力的供應才能使用，尤當3C產品日趨多樣，電源需求也不盡相同。無論手機，PDA，數位相機到筆記型電腦，電源供應器(變壓器)，定為其中一項標準配備，有了它，電子產品才能進行充電或使用。
12v to USB adapter \ 12v to 5v transformer (great for cars) I built this 12v to 5v transformer. I bought all of the parts you specified. I built it exactly as your instructions implied. After I finished it was working great. I put it on a shelf in my locker. I went back about a week later. For some reason the 12v
12v to USB adapter \ 12v to 5v transformer (great for cars) : Intro Intro: 12v to USB adapter \ 12v to 5v transformer (great for cars) This will show you how to make a 12v to USB (5v) adapter. The most obvious use of this is for 12v car adapters, but anywhere you have 12v you can use ... 1 Step 1: The Transitor
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5v - 12v / 5 - 30 watt CFL Inverter Driver Circuit - YouTube Replication of www.talkingelectronics.com 20 Watt CFL Inverter Driver. I decided to try this circuit to get an idea of what my bulbs look like driven harder ...
HV from 5V supply using spare LCD backlight transformer - YouTube Small, simple and quite powerfull high voltage supply for experiments. It is made from spare LCD backlight transformer, LT1072 chip from Linear technology and some other components. I selected very high working frequency because I need it for my experimen
其他電腦週邊- 12V降壓5V/2A~有這種東東嗎?? - 電腦討論區- Mobile01 我有個小電瓶~輸出12V，一個隨身播放機要吃5V/2A，找了市面上的變壓器就是沒有 可以12V降壓5V...
變壓器12v轉5v LED開關電源轉換器12V5A60W變壓器220V轉12V 直流變壓器監控電源。EI41 5W 變壓器220V轉6V/9V/12V/15V/18V/24V 全銅芯足功率DB-5VA。
