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作者 proach 在 PTT [ Electronics ] 看板的留言(推文), 共517則
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11F推:去問燒錄器製造商囉,support都很好的。04/02 10:36
3F推:search www.digikey.com for your needs03/31 20:12
1F推:你能夠給出詳細需求規格嗎?系統需要的各電壓值與電流。03/29 18:28
4F推:換個xtal看看,不然查一下xtl規格要裝多少電容03/05 19:06
4F→:通常是可靠度實驗作出來的。此值代表一定不會出問題03/02 00:51
5F→:比這數值還糟糕時,不保證什麼時候出問題,也許永遠沒問題.03/02 00:51
2F推:請參考UART,或是RS232的作法。02/25 22:39
6F推:對啊,沒作散熱系統,50度根本不燙。我曾經放錯DC/DC boost02/24 01:57
7F→:參數,過熱,MOSFET上的銲錫融化滴下來,也沒有損毀。02/24 01:58
5F推:audio算嗎?擷取mic信號,計算後丟到speaker輸出,不用錢。02/19 19:53
6F推:不能用電阻分壓,會有負載效應。02/17 02:48
7F→:自己用OP+BJT做一組regulator吧02/17 02:49
1F推:er....請注意這是SDRAM,不是一般的SRAM ^^;01/22 22:49