A home made LED voltage meter for 2-16 V DC.

A home made LED voltage meter for 2-16 V DC.

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电阻分压器设置比较电压,再加上 voltage Comparators ? -原上草2017- 给 原上草2017 发送悄悄话 原上草2017 的博客首页 (0 bytes) () 01/21/2022 postreply 13:04:19

Just a voltage divider, no comparators. -xia23- 给 xia23 发送悄悄话 xia23 的博客首页 (50 bytes) () 01/22/2022 postreply 13:36:25

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