Categories：FPV,微心情
June 9, 2024
There are a lot of reviews and opinions regard this product. But I think it is not enough.
I found something really annoying about this thing when I once had one. And no one talked about it.
Back in the day, SAMSUNG is a relatively popular brand in China(I barely see them now). And they produced the product AMOLED panel since then. This thing was used on their phones for a long period, and many people had told me how good it was, but as you may know, the real decent generation of their AMOLED screen was just came out several years ago, when Apple decided to use it. I then found they finally can be acceptable by myself -- their pentile OLED is finally being small enough and not that easier to be noticed. So I bought my very first Samsung phone - S23.
So what I'm saying is that DJI goggles 2(including integra), has exactly the PenTile pixel screen panel in it. It looks just sucks to me. These pixels just keep stabbing my eyes.
Sorry DJI. I mean it. But it is what it is. I don't want to talk about the dead pixels. It all about PenTile pixels. Yes, I can also notice some flick of black out of the screens, but I think all the 1080p oled screens have that issue.
You can read more about PenTile OLED here : https://www.oled-info.com/pentile
I can't use it anymore. Maybe the next generation.
Categories：随便写写
March 30, 2024
那盏灯终于还是灭了。起初以为只是舱门的开关没有弹性了，但马上发现不是那样。没有一丝伤感，就算晚上起夜看不到它那温馨的光了。
当一件习以为常的事突然发生改变，或喜或忧。不对，也或平淡。
已经忘了什么是时候从华龙商厦把这个印有家电下乡标志的微波炉买回家了，我还在这个标志上贴了一张华硕主板的商标贴，对，就是每块新主板里都会带的那种。
记得以前家里的微波炉就是两个旋钮开关，简单明了。而这个货，面板上布满了让人琢磨不清的按钮，看了说明书，有些时候还要“编程”使用，总之非常麻烦。好在简单的微波功能只需要按下时间就能启动。之所以看上它就是觉得容易擦拭，因为它的按键是一个整体的平面。
而现实总是那么的现实，不仅面板按钮依然鲜有人擦，仓内也还总是溅满了食物的残渣。
由于舱门从来不会被人随手关上，所以那盏灯就总是亮着。无论是光线充足的白天，还是灰黑的夜晚，只要没有停电，它就那么亮着—— How dare you
Categories：FPV
December 5, 2023
嗨JB，你对蜗牛数字图传系统大体怎么看？你觉得它在性能和质量方面都比DJI强吗？我在用V1眼镜并正在找一个相对紧凑的。我应该直接上G2而不是蜗牛吗？
或者再等等,DJI在2024年发布的新眼镜？我不着急。我经常旅行所以我想减少点重量且方便携带。爱听你的想法。
JB：
我不觉得蜗牛比DJI好（总体上）。我个人的看法是，蜗牛和DJI v2/vista 系统在同一水平上或者还差一丁点儿。和O3则差一个档次~
但是蜗牛有其它的很多优点比如 1S 图传，HDMI输出等。然后图传距离和穿透性也已经足够好即便可能不如DJI。所以它对很多人来说仍是个不错的选择，可以考虑。
以上是最近看见的一个对话，可以说JB的回答很实际了。
就像之前我发的一些看法一样。我做了一个表格：
关于延迟，对于我个人的经验来说，基于网络多人测试的共同结果，肥鲨HDO2模拟眼镜大约有15毫秒的延迟，盒子眼镜大概有25ms以上的延迟，摄像头有3-25毫秒左右的延迟，我使用的CCD典型延迟是16毫秒。所以我之前练习的图传总延迟是在30-40毫秒区间，这个范围我感受不到延迟。当使用某盒子眼镜和延迟较大的摄像头平头哥时我能明显感觉到延迟的增加，但流畅度不受影响。更多的设备延迟测试可以搜索网络，几个著名的UP主都有。而较快的竞速摄像头一般延迟在2-3毫秒，加上眼镜15毫秒，总延迟在20毫秒以内。HDZERO的总延迟在15毫秒左右，这也是为什么HDZERO可以成为竞速系统。
MIT一小组发现大脑最快13毫秒感知画面
Categories：FPV
August 28, 2023
Categories：FPV August 28, 2023
When we first setup our Hdzero vtxs with Ardupilot firmware we tend to google it first, at least that's what I have been. And there are articles that suggest to set "MSP" option to "4". But as times gone by we no longer need to do so. Just simply leave it there the default "0" and set the corresponding serial port to "42", don't mess up with braud rates and leave the default "115" and it is good to go.
Also need to know you need the newer versions of Hdzero firmware. It contains the essential fonts that ardupilot OSD use to display.
Categories：FPV
August 27, 2023
Categories：FPV August 27, 2023
补充一个肥鲨高清眼镜的体验。它和蜗牛版本应该是相同的。
首先拿在手里会感觉非常精致小巧对比HDZERO来说，肥鲨的做工还是可以的，看起来外形也很像一个鲨鱼头。只可惜有两个我看来比较严重的缺点：1.和早期的模拟肥鲨眼镜一样，面罩很窄，不能适合所有人的脸庞，只能通过更换海绵垫来解决，但效果不会特别好，因为距离也变了。2.机身前后距离太长，导致重心靠外，等你装上天线会有更严重的下坠，其实我认为蜗牛可以和DJI合作，用他们的一体版就很完美，我想多了~
我最期待的就是之前在HDZERO眼镜加VRX无法实现的1080P模式，等实际使用时才发现结果大失所望。也有比较明显的掉帧，眼睛感到强烈不适。。抱歉，我的是这样。
然后就是相比VRX的HDMI带来的延迟，它的延迟会更小一点。可能正是这个延迟让其更流畅，无论我尝试何种码率搭配，720P也会有比VRX更多的卡顿。。
再见。蜗牛眼镜。
我仍然相信这是个有潜力的系统，请优化一下眼镜，外形和延迟处理。哪怕是增加一点延迟~ 延迟的高低不是问题，问题在于卡顿。
先这样。
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