搜索 - 科创

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燃料电池是一种将氢和氧的化学能通过电极反应直接转换成电能的装置，具有效率高、污染小、不需充电、高能量密度和高功率密度等优点。随着环境和资源问题日益突出，燃料电池显示出巨大的发展潜力和市场前景，成为各国...

倒是网上扒拉到一个算5位验证码的代码，编译后算出来了，但只能给APRSdroid用，UI-View32需要15位的验证码才能用，捉急。。。

电路的核心是语音录放模块 ISD1810M。我以前做了一个“小猪猪”送给了一个女同学了！前几天又做了一个（简陋版的）。下面是图：

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