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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] 單晶片遠端傳輸
[ Electronics ]3 留言, 推噓總分: +2
作者: smallq74 - 發表於 2009/07/02 17:08(16年前)
1Fbeagle:RS-23207/02 17:11
[問題] 請問一下BCD七段顯示器的問題
[ Electronics ]4 留言, 推噓總分: +2
作者: taih - 發表於 2009/06/30 21:38(16年前)
1Fbeagle:有沒有辦法限定只讓其中一種出現06/30 21:47
2Fbeagle:推錯...06/30 21:47
3Fbeagle:A 是一對四解多工器, B 是四組選擇器, C 是7447七段編碼器06/30 21:49
[問題] 請問9V電池供電問題~
[ Electronics ]5 留言, 推噓總分: +1
作者: elfria - 發表於 2009/06/29 16:51(16年前)
1Fbeagle:一個方法是改用效率高的電源轉換 IC, 比如現成的模組直接06/29 17:01
2Fbeagle:換掉 7832 或自己用 MC34063A 去做電路, 我試過效率有 80%06/29 17:02
3Fbeagle:這樣你就可以繼續用 9V, 因為輸入電壓越高效率越好。06/29 17:02
4Fbeagle:順帶一提,MC34063A也可以用來升壓,有興趣的話看看DataSheet06/29 17:05
[問題] 新竹地區哪有鑽PC板服務?
[ Electronics ]5 留言, 推噓總分: +3
作者: kentlle - 發表於 2009/06/28 14:56(16年前)
1Fbeagle:一邊用烙鐵加熱, 一邊用吸錫器吸吸看06/28 15:21
[問題] 請問這電路圖為何不用加二極體?...
[ Electronics ]22 留言, 推噓總分: +8
作者: superfourjc - 發表於 2009/06/28 06:21(16年前)
7Fbeagle:LED 自己就是二極體~06/28 12:09
Re: [問題] 姆指大小的power,EMI壓不下來
[ Electronics ]20 留言, 推噓總分: +5
作者: saininniang - 發表於 2009/06/27 23:10(16年前)
1Fbeagle:八層板的好處就是可以架大地之盾把電磁輻射源罩住...06/27 23:15
[問題] 0.7mm 33 pin FPC
[ Electronics ]17 留言, 推噓總分: +1
作者: beagle - 發表於 2009/06/25 23:40(16年前)
6Fbeagle:我在 Digi-Key 找過了, 其實這片 TFT 就是在 Digi-Key 買的06/26 00:47
7Fbeagle:包括 NewHaven 原廠都沒賣 0.7mm 的接頭... 0.5 倒是有賣..06/26 00:50
8Fbeagle:TFT 貨號 NHD-1.8-128160YF-CTXI#-ND 請不要跳火坑謝謝06/26 00:52
15Fbeagle:影片很棒, 謝謝 ^^06/26 10:47
[問題] 智慧型機器
[ Electronics ]12 留言, 推噓總分: +3
作者: jackyya - 發表於 2009/06/24 23:58(16年前)
10Fbeagle:與其要做鬧鐘, 不如做鬧鐘 Online06/25 22:09
[請益] 有關冷氣維修
[ Electronics ]9 留言, 推噓總分: +2
作者: Cherish1110 - 發表於 2009/06/24 10:27(16年前)
6Fbeagle:可以到 E-Appliance 板看看06/24 15:04
[問題] OP AMP 741 怎麼用電池讓燈量@@?
[ Electronics ]5 留言, 推噓總分: +5
作者: ink790702 - 發表於 2009/06/22 23:04(16年前)
4Fbeagle:LED 接馬鈴薯就會亮了, 嫌馬鈴薯熱量太高也可以接蕃茄06/23 20:37