Hi there 👋

Recent Posts

• Give Your Camera Real GPS: A No-Internet Hardware Fix with furble

  Wednesday, June 17, 2026 Made with AI

  Most cameras still ship without a GPS module, so photos come out of the card with no location data in their EXIF. The official phone apps are supposed to sync coordinates over Bluetooth, but for shoot-as-you-walk travel they fall apart: the BLE link drops when the camera sleeps, it rarely reconnects in time, and the background app gets killed by the OS. This post walks through everything I tried — Garmin GPX backfilling, low-power tracking apps, and my own Koko app built on the reverse-engineered furble protocols — and why none of them fully solved the phone-to-camera flakiness. The real fix turned out to be a tiny piece of hardware: an M5StickS3 plus a GPS unit, flashed with furble, that pairs straight to the camera, needs no internet, and feeds live coordinates into the EXIF. Includes a shopping list with USD/CNY prices and a realistic battery-life estimate for the 250mAh build.

• The Right Way to Use WebArena Indigo

  Wednesday, June 17, 2026 Made with AI

  WebArena Indigo is a cheap, good-value Japanese VPS that makes a great landing node. But if you front it with a relay and push traffic over a GRE tunnel like I did, GRE over IPv4 gets rate-limited the moment you run a speed test — the connection collapses right after the first burst. This post walks through what I tried (realm public forwarding, IPv4 GRE, IPv6 GRE) and how I ruled out snell, MTU, DNS and the qdisc one by one, landing on the conclusion that only GRE over IPv6 (ip6gre) reliably escapes the rate limiting. Plus a note on picking between the 500M/4-core and 1000M/6-core shared plans.

• Tinkering with Home Network: N100 + PVE + iKuai + sing-box

  Monday, April 20, 2026

  Notes on building a home network around an N100 mini PC running PVE 9.0 with iKuai as the main router and Debian 13 as a sing-box side gateway. Covers port assignment tricks for PVE management access, choosing sing-box over dae due to Shadowsocks 2022 support, bringing IPv6 to the LAN via ULA + radvd when the ISP has no v6 uplink, and fixing the Happy Eyeballs stall on domestic apps by forcing the direct outbound to ipv4_only.

• I Got My Lost Phone Back in Japan

  Saturday, April 4, 2026

  A firsthand account of leaving a backup phone on a train during a trip from 新潟 to 酒田 and back to 東京, then recovering it through JR East's Lost and Found Office with no extra transport cost thanks to a 5-day JR EAST PASS.

• Is OpenClaw Better for Developers or Non-Technical Users?

  Friday, March 13, 2026

  A Chinese opinion piece arguing that OpenClaw is better suited to non-developers than developers, because Skills can never cover every workflow and browser-driven automation burns tokens. The article uses MailClaw as a counterexample to show why dedicated APIs and CLIs are often a better fit for developer workflows.

• Building a Cloudflare-Native Comment System for Hugo

  Sunday, March 1, 2026 Made with AI

  I migrated my blog comments from Artalk to a custom Cloudflare-native stack using Workers, D1, and Telegram moderation, and now my entire blog infrastructure runs on Cloudflare.