硬件

How to rub a portable monitor by hand Preface I have an old laptop at home. Except for the dead battery, all other parts are still functioning normally. However, due to the rapid technological changes, this laptop has almost no other uses except browsing the web. It would be a pity to throw it away, but it would be worthless to sell it. So I decided to transform it into a portable monitor, so that I can connect it to a laptop or desktop, play games, watch videos, and let it continue to use its residual heat. By the way, I have transformed the hard drive into a portable hard drive. ...

Hey, I’m back as I promised to write the esp8266 development board firmware myself. I made a promise 20 years ago, and today I came back to fulfill my wish ESP8266 serial WiFi module - WiFi killer Today we also connected the OLED display. The one I bought this time is a 4-pin OLED (128*64), which does not support color display. NodeMCU Development Board NodeMCU is an open source IoT hardware development board. Because it supports WIFI function and its usage is very similar to the Arduino development board, it has gained the favor of more and more maker friends from all over the world in recent years. NodeMCU is similar in size to Arduino Nano. It is not developed by the Arduino team, but we can also use the Arduino IDE to develop it. ...