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作者 beagle 在 PTT [ Electronics ] 看板的留言(推文), 共1245則
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1F推:你的 8051 是接何種 crystal ? cycle 是 6T 還是 1T ?05/09 00:57
2F→:這會影響 baud rate 所以先檢查看看05/09 00:58
8F推:來讓我摸一下就有 3KV, 最近幾天不知為何電力特強...05/07 17:09
5F推:問題就是那 "一個電路" 到底是幹嘛的04/26 01:26
6F→:沒講清楚, 大家就會叫你去別處接電源啦~~~04/26 01:27
9F→:所以你是要對 8051 供電還是要輸入訊號給 I/O 腳而已?04/26 02:12
10F→:I/O 的話 3V 應該已經算 high 了, 有過門檻~04/26 02:17
13F推:奇怪,升壓比較麻煩,你卻想做升壓懶得降壓04/26 04:06
14F→:我越來越不懂那個邏輯了...04/26 04:07
4F推:老實說這篇文章等於什麼都沒講,這樣很難猜答案。04/25 19:09
6F推:我還以為雞白是雞佛...04/24 12:15
2F→:看哪種 architecture, 現在連 DDR2 都有人用了...04/23 16:48
3F→:還是你說的是 embedded RAM ?04/23 16:48
9F推:pow> 是的, 整合到同一個 die 上, 最近不知為何開始流行04/23 22:41
10F→:說是成本會比較省, 我實在不知道省在哪04/23 22:42
5F→:一時以為你不小心溶掉了自己的腳...04/23 15:55
6F→:大陸黑心 IC, 只有 epoxy 和鉛腳, 裡面沒有 DIE ...04/22 23:39
1F推:發電機喔... 用電刷就是直流發電機啦~04/22 18:04
5F推:那麼調光器是用什麼? 我沒拆過不知道 @.@04/21 21:52
11F推:你把電路圖畫出來代一下電阻值就知道啦!04/21 23:23