发布时间:2025-01-24 03:06:06
。。。。这,你就将处于对角线的两个(比如说1和3)脚接入电路,其他两个(2和4)脚什么都不用接,但是你的PCB上应该有四个孔,你把按键放上去,把四个脚焊上去就行了啊,至于焊接的过程,网上资料多得很,你可以搜搜
想请问电路板怎么整块拆下来还有中间黑色的是什么这是casio学生用计算器
2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06 2025-01-24 03:06:06