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[問題] USB充電器的電流問題

[ Electronics ]4 留言, 推噓總分: +2

作者: QQXanadu - 發表於 2009/09/19 23:55(16年前)

1^F推rogerable:不會不會09/20 01:23

[請益] 想弄個+-5V的雙電源輸出...

[ Electronics ]7 留言, 推噓總分: +4

作者: jetzake - 發表於 2009/09/18 03:11(16年前)

5^F推rogerable:loading不多的話 6-0-6 Vpk可以衝到8.4V 可能可以用09/18 12:15

6^F推rogerable:阿還有那張圖用的軟體蠻酷的...對DIY族很方便09/18 12:20

7^F→rogerable:不過圖上連結掛了補上新的:http://tinyurl.com/l4p6nx09/18 12:21

[問題] 基本電學報告求助

[ Electronics ]8 留言, 推噓總分: +4

作者: Eugene3 - 發表於 2009/09/16 22:54(16年前)

2^F推rogerable:省電燈泡就全部都有了09/17 00:32

[問題] RS232

[ Electronics ]40 留言, 推噓總分: +9

作者: BlueFeel - 發表於 2009/09/08 22:50(16年前)

23^F推rogerable:你家SATA跑的比parallel port慢的話你影片快轉會哭09/09 11:31

[問題] 直流升壓電路、史特林引擎

[ Electronics ]9 留言, 推噓總分: +5

作者: benq630 - 發表於 2009/09/07 20:21(16年前)

2^F推rogerable:R1跟base中間改串一個小電容看看09/07 21:50

7^F推rogerable:原先的電路圖還蠻簡陋的如果能做到10V或30V...09/07 22:42

8^F→rogerable:那顆電晶體壽命必定很慘..Vbe會將近-30V一直打09/07 22:42

9^F推rogerable:這種blocking oscillator的詳細計算還蠻難找的..orz09/07 22:44

[問題] 電源供應器

[ Electronics ]17 留言, 推噓總分: +6

作者: a26925848a - 發表於 2009/09/06 10:46(16年前)

9^F推rogerable:樓上正解... 所以弄顆隔離變壓器吧(拖走)09/06 15:03

12^F推rogerable:兩台power都插上電(請用三孔插頭) 不要開機09/07 11:12

13^F→rogerable:量兩邊的黑線有沒有倒通有的話就不能串09/07 11:12

Re: [問題] M34063的電感選擇

[ Electronics ]2 留言, 推噓總分: +2

作者: WeCanGo - 發表於 2009/09/05 01:07(16年前)

2^F推rogerable:會不會是Cout打錯.09/05 10:33

[問題] rs232延長線使用與否

[ Electronics ]4 留言, 推噓總分: +1

作者: nature911 - 發表於 2009/09/03 13:21(16年前)

1^F→rogerable:看來是延長線裡面有跳線09/03 14:01

[請益] 隨身碟＆讀卡機

[ Electronics ]40 留言, 推噓總分: +13

作者: a6523139 - 發表於 2009/09/02 14:08(16年前)

1^F推rogerable:你會需要寫USB interface + 記憶卡讀取電路09/02 14:27

5^F→rogerable:嗯阿讀卡機資料喔你去爬 USB 跟 SD卡的spec吧XD...09/02 16:49

6^F→rogerable:爬完你就不想自己寫了- -09/02 16:50

7^F→rogerable:你想解剖可以買一個拆開啦....比較實在09/02 16:54

8^F→rogerable:然後簽名檔的好像都過氣了O_O09/02 16:57

13^F推rogerable:好個同等級是TA想釣免費IP嗎...09/02 17:28

23^F推rogerable:如果你只想要一個與眾不同的隨身碟買一隻來解剖最實在09/02 23:16

27^F→rogerable:猛然發現簽名檔換了也沒比較好...09/03 11:08

35^F→rogerable:不然你去opencores看看好了...09/06 15:03

[請益] 請問SATA轉SMA接頭

[ Electronics ]17 留言, 推噓總分: +6

作者: cmh317 - 發表於 2009/09/01 13:51(16年前)

3^F推rogerable:隨手一查還真的有接近的東西o_O http://0rz.tw/VfcY409/01 21:55

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