驱动电路

说明：  BP神经网络实现手写数字识别，以包含字库，字库内容有改动，方便测试识别结果(BP Neural Network realizes handwritten numeral recognition to include a font, the content of the font is changed, and it is convenient to test the recognition results.)

协议树实现流程(tree)

arduino使用陀螺仪，与各类传感器进行避障行走(use gyroscope for obstacle avoidance by Arduino)

研究程序是新手,希望能好好帮助需要帮助的人-Research program is new, the hope that it can help people in need of help

说明：  codigo fuente para display con littlevgl(source code for esp32 ili9488 littlevgl working)

可以实现过去，现在，乃至不同时区的切换。可以实现倒计时，时间长短计时和提醒。很适合用在一般事务安排和约会时间等待上。-Can be achieved in the past, present, and even to switch time zones. Countdown can be achieved, time, length of time and reminders. Very suitable for use in the General Service arrangements and the appointment time to wait on.

一个使用Eclipse编写的可使用数据库的登陆注册APP,可检查账号是否已存在。(A login registry APP written using Eclipse that can be used by the database to check if the account already exists.)

21天JAVA学习！ 21天JAVA学习！ -21 days JAVA learning! 21 days JAVA learning! 21 days JAVA learning! 21 days JAVA learning!

百度小说搜索.zip The Development of 2048 Small Game Wechat Small Program(The Development of 2048 Small Game Wechat Small Program)