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作者 beagle 在 PTT [ Electronics ] 看板的留言(推文), 共1245則
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[問題] 雙極性LED?!
[ Electronics ]6 留言, 推噓總分: +3
作者: ink790702 - 發表於 2010/08/04 22:28(15年前)
4Fbeagle:不同色有見過, 正向綠色逆向紅色, 不過是從光碟機上拔的...08/04 23:09
[問題] DC/DC Converter
[ Electronics ]21 留言, 推噓總分: +6
作者: bitchsix - 發表於 2010/07/29 01:34(15年前)
12Fbeagle:其實這個問題蠻有趣的, 很明顯不對勁, 卻不知為何常有人問07/29 17:43
[問題] 海上無線通訊?
[ Electronics ]9 留言, 推噓總分: +5
作者: ILoveMouse - 發表於 2010/07/17 21:21(15年前)
7Fbeagle:我以為我走到 Navigation 板07/18 19:15
[問題] 蕭特基二極體和快速二極體的差別
[ Electronics ]4 留言, 推噓總分: 0
作者: felghana - 發表於 2010/07/13 13:10(15年前)
1Fbeagle:通常是標響應頻率 Hz 吧?07/13 14:05
[問題] 關於解焊
[ Electronics ]1 留言, 推噓總分: 0
作者: ron0803 - 發表於 2010/06/07 14:58(15年前)
1Fbeagle:解下後不能再包裝06/13 14:06
[問題] 用COM Port點亮LED的問題...
[ Electronics ]7 留言, 推噓總分: +1
作者: ccbruce - 發表於 2010/05/29 19:43(15年前)
4Fbeagle:第一反應: 你怎麼不插USB05/29 21:58
5Fbeagle:一樓的意思是叫你裝個電池05/29 22:00
[請益] 有軍規或精密工業用的零件可供查詢嗎?
[ Electronics ]17 留言, 推噓總分: +6
作者: ponfat - 發表於 2010/05/23 23:39(15年前)
4Fbeagle:那個... 請問焊錫的熔點是幾度...05/24 00:50
6Fbeagle:我的意思是, 傳統錫鉛 183 度, IC 就算耐熱, 焊點也有危險05/24 02:53
7Fbeagle:更別提許多塑膠元件根本無法耐這種高溫...05/24 02:53
8Fbeagle:過迴焊爐的時候真正的高峰溫度只有幾秒,不然也是會燒壞元件05/24 02:58
9Fbeagle:剛剛去查了 NXP 的 spec, 軍規似乎也只到 -40 ~ +125 ...05/24 03:04
10Fbeagle:180 度真的是很特殊的需求05/24 03:04
[問題] 74154
[ Electronics ]17 留言, 推噓總分: +3
作者: btowhu - 發表於 2010/05/09 14:50(16年前)
1Fbeagle:有啊 http://www.digikey.tw/05/09 15:13
2Fbeagle:買不到 154 可以換成 138 或 238, 價錢也會便宜很多05/09 15:15
12Fbeagle:三比八 (台語)05/10 23:38
[問題] 請問MCU大量燒錄的問題~
[ Electronics ]4 留言, 推噓總分: +2
作者: chisteven - 發表於 2010/04/26 16:21(16年前)
1Fbeagle:找河洛吧04/26 18:32
[問題] 切換式電源的工作頻率問題?
[ Electronics ]16 留言, 推噓總分: +6
作者: kevin2000 - 發表於 2010/04/16 11:43(16年前)
1Fbeagle:為什麼阻抗要固定04/16 12:13