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作者 beagle 在 PTT [ Electronics ] 看板的留言(推文), 共1245則
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3F推:會流出濃稠的液體...03/03 08:11
1F→:會燒壞啊03/01 22:36
1F推:那為什麼 03 和 02 不用乘 9 ?03/01 19:43
9F→:後面寫 0xFF 是對的, 為什麼前面寫成 FF ?03/01 22:35
5F推:在你缺乏專業知識的情況下,我只能建議"安培數要足夠或超過"02/27 02:02
6F→:正負極很重要, 接頭的形式、直徑要相符也很重要02/27 02:04
7F→:2.5mm 和 2.1mm 看起來很像, 更不用說還有很多其他種類02/27 02:04
1F推:這好像叫保險開關? 很大一顆...02/25 21:32
2F推:http://0rz.tw/ffRbU 要是找不到可以跟這家買02/25 21:36
5F推:1A 以下的沒見過... 這種無熔絲開關要足夠的熱量讓簧片彎曲02/25 22:46
6F→:不然就是自己設計保護電路了...02/25 22:48
1F推:http://www.national.com/02/25 14:39
1F推:我手邊這顆 SRAM 是 626402/24 19:29
2F→:直接問電料行他們有什麼 SRAM 就好了啊~02/24 19:29
2F推:單晶片... 硬體不難, 但是軟體問題很大... XDDD02/24 22:05
5F推:要求瓦數就接個功率放大啊02/26 21:00
1F推:廢熱有 40% ... 不發熱也難... 鎖個散熱片就好啦~02/23 23:20
2F→:並聯的話, 沒有平衡負載, 那電流主要會落在其中一顆上02/23 23:21
3F→:散熱片到電子材料行就買得到, 我在光華就買過各種形狀的02/23 23:22
8F→:不到 1A 不需要用兩套供電 IC 來平衡負載啊02/25 10:33
9F→:50 度並不算過熱, 不想換散熱片也沒關係02/25 10:34
10F→:真的需要大電流, 我也不建議用兩套 LM317 ...02/25 10:34
11F→:我會用 MC34063 做 DC-DC converter, 更省電,02/25 10:36
12F→:而且外掛 power MOS 的話供電量要多大有多大02/25 10:36
5F→:actuator 是指通了電會抽插的那種東西... 電磁鐵+鐵心02/23 23:23
6F→:用來開門鎖開電器蓋子的就是了...02/23 23:23