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作者 beagle 在 PTT [ Electronics ] 看板的留言(推文), 共1245則
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5F→:900 度還沒熔化的東西不多11/08 17:15
4F推: http://tinyurl.com/23v9fn2 一顆 97 運費 60011/07 15:15
5F→:滿三千免運費11/07 15:15
7F推:連這麼基本的事都不相信他嗎?這應該是政治問題而非技術問題11/05 08:55
8F→:我如果講個淺顯的比喻,你是否又會硬凹說這樣還是可以刪掉啊11/05 09:07
9F→:以PC來說,Flash相當於硬碟,開機需要的作業系統都存在裡面..11/05 09:11
13F推:那我還有一個問題, 你們似乎需要一個 FAE, 也就是有技術背11/06 11:11
14F→:景又可以支援業務去跟客戶周旋的, 有沒有考慮找一個?11/06 11:11
3F→:白膠我沒用過, 熱融膠 OK, 另外你也可以用絕緣膠帶貼上11/04 09:48
1F推:LED 可以視為線性電阻來計算嗎?11/03 08:47
1F→:可以啊,你如果怕差2V會出事,串聯一個100 ohm電阻或可變電阻11/02 18:03
2F→:我也想教你做 MC34063A 升壓定電流, 不過那可能太複雜了11/02 18:05
3F→: http://www.jin-hua.com.tw/c1_product.asp?id=245411/02 18:06
6F→:0.02A = 20mA 應該不算大電流吧, 還是你要接一百根燈條?11/02 18:18
9F→:碳鋅電池鹼性電池能提供的電流都不大, 概估的話估1A極限了11/02 18:24
10F→:而且你真的用到這麼大電流會造成浪費...11/02 18:25
11F→:至於實際上輸出多少電流建議你實測, 畢竟不是理想電阻11/02 18:26
12F→:我是認為直接接四個 9V 沒問題, 不會跟你測 34V 數據差太多11/02 18:27
13F→:只要不超過 0.03A 應該都不會燒壞, 0.02A 較佳11/02 18:28
1F推:我說的那篇文章, 推文就有列出三個型號了10/29 10:21
1F推: http://www.eclife.com.tw/led/moreinfo_3839.htm10/28 19:10
2F→:Power MOSFet 當然也可以, 找個耐電流大於 4A 的即可10/28 19:10
3F→:關於 MOS 選擇可以參考這篇 #1CWRHec7 (Electronics)10/28 19:11
5F推:不對吧, 插電表最準, 我看過相容品腳位相反的, 還是 SMT XD10/23 20:32
2F→:霍爾的移動城堡10/17 21:18