The other day, I want to build my own personal data collecting system and use this data automatically control my devices. Started with testing wireless modules. At first I tried WiFi module ESP8266, for it’s cheap and low power consumption […]
This is the first time I try to make a PCB. First step is making a solder-stencil on the laser cutter: Spreading solder paste, and fix with pin: Place components with SMD vacuum: Step 4 is reflow with heat-gun, and […]
I always want to build my own home smart home devices so I can collect and analyse my personal data. For instance, if I install enough sensor in my home, I could know how much time I spend on sleeping, working, […]