One of the big WordPress problem – long response time (over 1000 milliseconds). Optimal response time should be no more 500 ms. One of the effective way for it – enable cache on web server level.
ZE08-CH2O – Datasheet (English & China versions)
ZE08-CH20 – is a electrochemical formaldehyde sensor.
VoCore2 – Pinouts and specifications
VoCore2 – is a very interesting board for IoT solutions that based on SoC MT7628AN.
Arduino – Enabling and using WatchDog timer
By default in official Arduino documentation no any information about WatchDog timer. WatchDog timer (WDT in short) – is a hardware external timer that reset the microcontroller if the main program crashed or go to the infinite loop or etc error action.
Javascript – Sleep using native construction
Sometimes in javascript need to use sleep. It’s not a good practice (maybe good way – change some code?), but if you found this article you know, how it use and need only construction)