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作者 saram 在 PTT [ Electronics ] 看板的留言(推文), 共237則
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[問題] 家用110v交流電 相位差的問題
[ Electronics ]14 留言, 推噓總分: +4
作者: leo72211 - 發表於 2020/03/19 13:22(5年前)
11Fsaram: 要穿戴消防員護具去試.03/31 01:52
[問題] 繼電器一般常用挑選?
[ Electronics ]10 留言, 推噓總分: +2
作者: lhz135 - 發表於 2019/08/05 02:32(6年前)
3Fsaram: DC 12V=直流12V以啟動接點ON.AC230V=安全的交流電電壓值.08/21 15:33
4Fsaram: 或DC110V=安全的直流電壓值.08/21 15:34
5Fsaram: 當ON時,乾接點相觸,你可將這一點當成馬達或其他電器的開關08/21 15:35
6Fsaram: 而電器總有一個電壓值,和負荷的電流值(最大值),這電壓值08/21 15:37
7Fsaram: 不要超過AC230V或DC110V就好了.08/21 15:37
8Fsaram: 但是馬達也不能過大,其電流也要看繼電器上的規格限制.08/21 15:38
9Fsaram: 不過一般家用電壓都在AC110V,工業控制的也在AC220V.08/21 15:39
10Fsaram: 你可大膽的用.08/21 15:39
[問題] 如何用一些1.5伏特乾電池讓一條銅絲燒斷
[ Electronics ]11 留言, 推噓總分: +8
作者: coastline638 - 發表於 2018/05/17 12:19(7年前)
11Fsaram: 銅有延展性.用高溫烘後拉長,變細.07/04 01:12
[請益] 工作是配電 但從來沒學過 該怎麼學?
[ Electronics ]39 留言, 推噓總分: +8
作者: ujp011604 - 發表於 2016/09/18 10:34(9年前)
36Fsaram: 去職訓中心學半年再說吧.10/29 19:06
37Fsaram: 基本工要有合格教師來教你,喝飲料的師傅不是教師.10/29 19:07
38Fsaram: 懂電的未必會教電工.10/29 19:08
39Fsaram: 學工夫時別想順便賺錢,天下沒白吃的午餐.10/29 19:09
[問題] 想請教機器用Rs232接電腦的Pin角及連接
[ Electronics ]13 留言, 推噓總分: +4
作者: fmlfmlfml - 發表於 2016/08/13 15:38(9年前)
6Fsaram: 你電腦系統是舊型的話,要去系統管理員裡設定com1或2.08/16 22:51
問題 有無線電高手幫忙解答嗎?
[ Electronics ]7 留言, 推噓總分: +3
作者: somekiller - 發表於 2016/06/23 13:18(9年前)
7Fsaram: 黃油有些酸性,先擦掉再說.06/29 14:27
[問題] 220V的馬達用110V下去跑?
[ Electronics ]8 留言, 推噓總分: +3
作者: tvbb - 發表於 2016/06/19 01:21(9年前)
8Fsaram: 電流會變大.06/29 14:24
[請益] 升上科大後,能力樹該怎麼點?
[ Electronics ]52 留言, 推噓總分: +24
作者: heaviest - 發表於 2016/05/08 18:02(9年前)
47Fsaram: 如果無法考入四大名校科技相關系所,勸你看開點別走IC設計.05/26 03:16
48Fsaram: 就把自己當作高職或以前的專科生,走純一般技職道路.05/26 03:17
49Fsaram: IC設計的都要碩士以上.05/26 03:19
50Fsaram: 那些人的腦袋不是一般.05/26 03:19
[問題] 最近想做鳥的自動補飼料器和自動補水器
[ Electronics ]10 留言, 推噓總分: +3
作者: magyver - 發表於 2016/05/03 20:10(9年前)
10Fsaram: 定時器05/05 10:15
[問題] 電源供應器
[ Electronics ]9 留言, 推噓總分: +3
作者: yoyokid - 發表於 2016/04/22 13:33(9年前)
1Fsaram: 你負載有電解電容器,會瞬間儲電.04/22 17:49
2Fsaram: 暫時拉低了輸出端電壓.04/22 17:50