Daily drinking water is essential for dogs, but many careless owners may forget, and dogs like fresh water, which means it needs to be added at any time.This automatic dog watering system has two sens
The microcontroller I use is mc9s12dg128. Now I am adjusting the minimum system. The situation is: 1. Only the main chip, power supply and reset circuit are soldered on the board. The power supply is
http://download.eeworld.net/source/2310249 (Software Address) After installing this software, it is not just what you see on the surface now! Picture address (http://home.51.com/wutuanfeng/photo/item/
[table=98%] [tr][td][table=98%] [tr][td][size=4][color=#ff0000]System: Ubuntu 12.04. According to the instructions in the test manual, I entered the command in the terminal after startup, but there wa