Using parts he had lying around and a doorbell from the hardware store, [Peter] concocted this DIY train crossing bell at his dad’s request. The idea was to make the bell chime about once per ...

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Using parts he had lying around and a doorbell from the hardware store, [Peter] concocted this DIY train crossing bell at his dad’s request. The idea was to make the bell chime about once per ...

If you have been following along with our DIY AI project, you’ve come pretty ... there should be enough information to use to train AI. In this case, we are going to train it to look for file ...