Not terribly hard, in fact, it is very easy.

You could do it (one of Arduino projects) yourself for under $50 in less than 2 hours.

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会者不难,难者不会:)) -卫宁- 给 卫宁 发送悄悄话 卫宁 的博客首页 (0 bytes) () 12/09/2023 postreply 18:43:09

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