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作者 p20162 在 PTT [ Electronics ] 看板的留言(推文), 共189則

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[問題] 關於家用110V的小問題

[ Electronics ]5 留言, 推噓總分: +2

作者: zmanx - 發表於 2012/09/17 11:08(11年前)

1^F→p20162:$09/17 11:50

[請益] 8051單晶片驅動24VDC馬達

[ Electronics ]7 留言, 推噓總分: +3

作者: davidwang928 - 發表於 2012/09/07 21:32(11年前)

5^F→p20162:這台車是多大阿...09/08 19:03

[問題] 想用基本的電路元件做出延遲效果20ms＋

[ Electronics ]5 留言, 推噓總分: +1

作者: eu1986 - 發表於 2012/08/30 06:04(11年前)

1^F→p20162:幾十ms 兩顆實體開關就差不多了08/30 11:47

2^F→p20162:不過很難精準就是會短會長08/30 11:49

[問題] 耗電問題

[ Electronics ]20 留言, 推噓總分: +4

作者: saram - 發表於 2012/08/27 16:34(11年前)

2^F→p20162:一般家庭用戶功因本來就高用電量也不多規範大多在工業上08/27 17:21

12^F→p20162:T5的確是省電不過不是高功因來的08/28 21:24

[問題] 方波相移90度

[ Electronics ]7 留言, 推噓總分: +3

作者: p20162 - 發表於 2012/08/15 19:47(12年前)

5^F→p20162:各位想法我會試試看的謝謝08/16 08:16

[問題] 能切換led顏色的電路?

[ Electronics ]15 留言, 推噓總分: +5

作者: ink790702 - 發表於 2012/08/02 17:28(12年前)

12^F→p20162:要的是循環切換吧 RELAY不知道能不能用08/03 15:06

[問題] 紅外線感應器當成開關怎麼接?

[ Electronics ]2 留言, 推噓總分: +1

作者: swat3553 - 發表於 2012/07/26 17:47(12年前)

1^F→p20162:datasheet先看07/26 18:14

[問題] 用電池驅動1W的白光LED

[ Electronics ]23 留言, 推噓總分: +3

作者: USB3 - 發表於 2012/07/23 23:50(12年前)

13^F→p20162:用一般散光型的LED就好... 一顆也不超過100mW07/24 01:02

14^F→p20162:1W用乾電池來點沒多久就沒電了還到10顆...07/24 01:03

[問題] 低VF的快速二極體

[ Electronics ]12 留言, 推噓總分: +3

作者: p20162 - 發表於 2012/07/23 21:58(12年前)

6^F→p20162:好像沒打清楚我是要找其他有沒有更低VF的二極體型號QQ07/24 00:47

7^F→p20162:然後又符合我要的規格另外蕭特基不是有極低RRT跟低導通07/24 00:48

8^F→p20162:特性怎麼總覺得找到的蕭特基好像都不符合低導通的特性？？07/24 00:48

10^F→p20162:對啊...蕭特基200V的幾乎都過1V......07/24 01:25

[問題] 示波器量測

[ Electronics ]6 留言, 推噓總分: +2

作者: greaty - 發表於 2012/07/21 16:54(12年前)

3^F→p20162:1.是因為共地?07/21 19:13

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