Indoor air can be much more polluted than the outdoor air. There are some "smart air purifier" like Dyson Air Purifier on the market, but they are usually very pricey, and lack APIs for customization. That's why I used a Raspberry Pi to build a smart air monitoring system, which …
Articles in the Computing category
Some experiments about thermal cameras
The motivation is, it's getting cold in Seattle. And the condo we live reached an extent that we cannot bear any more. In addition to buying more (and more) heaters, I also began to think about where the energy went, because our monitoring system shows that the new heaters brought …
Tagged as : EnglishUpdate on the IFTTT Delay API
After I released the IFTTT delay API, there was some interesting discussion going on in the comments. At the same time, I also found the delay API is still too simple. It still couldn't pass any information other than the event name. And this caused troubles in the applications of …
自己动手改造智能家居生活（二）
一个月前介绍了当前的智能家居生活，最近一个月又有了一些新的探索和心得。
首先是一些新的设备加入进来了，现在能 …
Adding a Delay to IFTTT Recipes
Ifttt is the de facto hub for smart home now. Nearly everything can be connected to it and personally I have ~20 connected devices (hue, WeMo, echo, lock, thermostat, ...) and tens of recipes. But one thing ifttt still cannot do is adding delay to the recipes. Say, I have a …