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离散增量式PID，可把ABC当成比例，积分，微分常数，以及LG4200D+AX345三轴加速度，三轴陀螺仪读取原始数据。(Discrete incremental PID can treat ABC as proportional, integral and differential constants.)

说明：  对stm32f407xx使用的烟雾传感器模块MQ2的例程，使用的亦为模拟引脚读取功能(For the routine of the smoke sensor module MQ2 used in stm32f407xx, the analog pin reading function is also used.)

说明：  51单片机串口通信模拟实验，串口通信入门。(51 SCM serial communication simulation experiment, serial communication introduction.)

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The LED clock consists of 60 LEDs which are placed circular around a common analog clock. The LEDs are used to display the seconds. Essential part of this circuit is the LED driver MAX7219 from Maxim. A datasheet is available on Maxim s homepage. The clock is controlled by the microcontroller AT89C2051 from Atmel. This microcontroller is clocked at a frequency of 12 MHz from which results a time base of 1 microsecond. Via software dividers one clock impulse per second is generated which is used for updating the LED display.

315m 接收模块 英文datasheet(315m receiver datasheet)

这是一个调光程序，希望对大家有所帮助。 使用的单片机是51单片机。(This is a light adjusting program.)

PHILIPS 22DC 501/00, PHILIPS 22DC 501/00

基于瑞萨单片机RL78的串口队列操作程序。利用串口中断和瑞萨的串口接受完成函数，实现瑞萨的串口中断队列接受功能。(Renesas RL78 microcontroller based serial queue procedures. Use serial port interrupt and Renesas serial reception complete function, enabling Renesas to accept the serial interrupt queue function.)

Call Log Provider extends Content Provider for Andriod.