BlogHide Resteemsjohnnie (41)in technology • 6 years agoDessert recipe of tonightbaking powder 500g water - minimum coke 2 cansjohnnie (41)in photo • 6 years agoLittle peaceful space in a world of chaosjohnnie (41)in cn • 6 years agoDIY 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。johnnie (41)in cn • 6 years agoDIY 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johnnie (41)in typhoon • 6 years agoSuper Typhoon Mangkhut 超強颱風山竹What left behind after one month. 一個月後留下的東西johnnie (41)in face • 6 years agoface recognition to unlock door （人面辨識開門）johnnie (41)in cn • 6 years agoDIY - NFC card reader implanted with remote control 將遙控器值入讀卡機Test before installationjohnnie (41)in usb • 6 years agoUSB powered toolsUSB 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…johnnie (41)in google • 7 years agoGoogle joins military in A.I. technologyAs history proved, fake and wrong data are always used by groups of people to start attack. If the rules of A.I. and data input are controlled by such people, it will be a tragedy for human…johnnie (41)in cn • 7 years agoDIY 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.johnnie (41)in philippine • 7 years agoHumble and toughDo you recognise the man wearing a white T-shirt and sitting on an mouldy plastic chair. I admire the Philippine President Duterte most among the current foreign Presidents. All that I can feel he…johnnie (41)in chemical • 7 years agoExperience of being attacked by chlorine gasSomewhat 30 years ago, I worked in a laboratory of a US chemical company. One day a worker put back unused hydrogen peroxide mistakenly into the a drum of Hydrochloric acid. Chlorine evolved with…johnnie (41)in cn • 7 years agoAnodizing of aluminiumThis is another old article I wrote in a technical Chinese magazine. The following is a short summary of the content. Aluminium metal will rust with oxygen in air to form white rust of aluminium…johnnie (41)in cn • 7 years agoSilver protective coating of nano molecular thicknessTake a record here for an old article I issued by making use the absorption property between silver surface and carboxylic/thiol portion of organic alkyl molecules to form protective layer in a…johnnie (41)in photo • 7 years agoSpring comes with nice shots in my mobileFlowers come in bloom. Insect hunters built their net works everywhere. However this seems to be too large to catch.johnnie (41)in photo • 7 years agoA snapshotThis snapshot from my mobile phone looks so general. But after looking closer, I found that it is useful to teach my son how to distinguish mouth and feet of a butterfly.johnnie (41)in photo • 7 years agoMemory trace implanted in photoSomeone gifted me this ancient Chinese butterfly knife over thirty years ago. I discover till today that it can function as photo design tool.johnnie (41)in cn • 7 years agoChinese new year red pocket with BTC - 中國新年的比特幣紅包It's a custom to give red pocket with money inside from senior to the young during Chinese new year. This year I give this to teach them to know more about the world and possibly let them become a…johnnie (41)in cn • 7 years agoAn old HONG KONG models exhibition - 老香港模型展johnnie (41)in syria • 7 years agoIf she could be President of United StatesThe world would be more peaceful!
