C8051F040_drive_L298

altera de1开发板 dma,pwm...实验源码(altera de1 development board dma, pwm ... experimental source)

说明：  stm32f103DAC输出两路正弦波600hz 2100hz(STm32f103DAC Outputs Two Sinusoidal Waves 600 Hz 2100 Hz)

IIC驱动－－－MIPS平台之Sead开发板，驱动类。(IIC driver--- MIPS platform Sead development board, the drive type.)

si4432官方代码，EZMacPRO官方协议，对研究SI4432很有帮助(si4432 official code, EZMacPRO official protocol, the study SI4432 helpful)

工程教育中级练习题1：按一下K1键，LED以10Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；长按K1键超过3秒，LED以5Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；按一下K2键，LED熄灭；按一下K2键，LED常亮。(Secondary Exercise Question 1 in Engineering Education: Press the K1 key, the LED flickers at 10Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K1 key for more than 3 seconds, the LED flickers at 5Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K2 key, the LED goes out; Press the K2 key, the LED always shines.)

说明：  mpu6050程序与上位机,采用STM32开发，配上位机(Mpu6050 program and upper computer)

ISD1790－C程序，用于ISD1790芯片开发的人进行参考。(ISD1790-C procedures for ISD1790 chips were developed by reference.)

测脉宽，基于STC15W单片机的测试要在1.3管脚加一个脉冲然后通过OLED 屏幕显示(Pulse width measurement)

基于51单片机的无线短距离温度检测，无线模块采用nRF903，433MHz(Based on 51 single-chip wireless short-range temperature detection, wireless module with nRF903, 433MHz)

说明：  改程序可简单的产生从0到f的递增数码管显示，着为初学者提供比较好的认识。(Reform program can generate a simple increments from 0 to f, digital tube display, forward to providing a better understanding of beginners.)