Johnnie

Dessert recipe of tonight

1. baking powder 500g 2. water - minimum 3. coke 2 cans https://youtu.be/2tQvxVIu9Ao

Little peaceful space in a world of chaos

DIY 小米智能家居功能擴充（爆水管關水掣例子）

淘寶買個 [紅外線（IR）無線射頻（RF）轉換器]，（小米萬能遙控）除控制红外缐設備外，亦可擴大到控制其它無缐射頻组件。 這裏加配上一個無線遙控的90度水掣開關機械手，小米的水浸警報器在水浸時，除了在網關發出警報聲及信息推送到手機外，更可以指示機械手搖90度關上水掣！ 片中的水開關掣還未装上水管，只装上機械手，用作反應水浸警報器作效果试驗。 https://youtu.be/YpEo8rMIWY0

DIY 的小愛同學人工智能

家中来了個肥大的小米空氣過濾，實無空間容下小愛，只有賣左佢比個有錢嘅大户人家......有點傷感！ 不過我呢個有錢啲朋友買小爱之前，問她可不可以控制芭蕉扇，我說她可以控制這部一萬mA電量的大風散熱扇，他才買！不過相信佢回家重置小爱後會後悔，因為其實小爱都幾蠢！ *睇片要開聲才知道做什麼 https://youtu.be/OXP8NR4um_s

Super Typhoon Mangkhut 超強颱風山竹

What left behind after one month. 一個月後留下的東西

face recognition to unlock door （人面辨識開門）

https://www.youtube.com/watch?v=JzrDLdMmGL8

DIY - NFC card reader implanted with remote control 將遙控器值入讀卡機

Test before installation https://youtu.be/IPSR2ydLPPU

USB powered tools

USB charged or powered small equipment are my favorite. One may feel psychologically safe due to the low voltage (5V). They also offer great convenience and portability when you are away from domesti…

Google joins military in A.I. technology

https://www.theguardian.com/technology/2018/mar/07/google-ai-us-department-of-defense-military-drone-project-maven-tensorflow As history proved, fake and wrong data are always used by groups of peopl…

DIY air filtration unit - 自製空氣過濾器

The serious air pollution in the city can lead to various health problems. Here I use a simple method to create a home air refresher of my own. 城市空氣污染嚴重, 可以引致各種健康的問題, 這裏我用一個簡單的方法製造一個家用的空氣清新機.