W
waffle_kid
Guest
我有一个非常困难的时候找到了4路的DIL开关和一个4008的4位二进制全加器。是有一些替代的那种是比较容易得到?我会分解,并下令从英国(!!!!!),但我下了一个时间限制,我一点。如果有人可以帮忙,那简直太好了。
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