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user: mengchengfeng created: 2025-12-04 karma: 127 https://www.mariannefeng.com/ submissions: 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments Hacking an old Kindle to display bus arrival times 334 points | 88 comments Show HN: Copy-ip.com – Go to copy your public IP to clipboard 1 points | 0 comments