I have successfully completed 2 so far, and the feel is good. All tests have shown normal operation.
There are two key points to pay attention to during the manufacturing process:
1. The grinding process should be slow and even, ideally with a perfect fit between the parts without any gaps. Additionally, it's important to check if the height is appropriate.
2. When soldering, it's recommended to use smaller gauge wire initially. The initial use of insulated wire can affect the bounce (as previously mentioned by the original poster). Later, you can strip multiple strands of soft wire and use just a few, which provides better results.
I have 3 more boards left (black), which I'd like to share with anyone who needs them. Please apply to exchange these with me and mention this post, and I will mail them via regular mail.
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