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簡(jiǎn)易電碼練習(xí)器電路圖

作者：時(shí)間：2016-11-07 來(lái)源：網(wǎng)絡(luò)

型硅管，BG2用處理品3AX31型鍺管，R為1/8瓦炭膜電阻，改變電阻R值，可改變音調(diào)高低。YD為8歐2.5英寸揚(yáng)聲器，電源E可用2號(hào)電池兩節(jié)。J為電鍵插孔。

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關(guān)鍵詞： 電碼練習(xí)器