GrOrderedSet

我自己做的蓝牙控制智能小车，可以PWM调速，二路红外避障和超声波避障，亲测可用，希望能帮助你。(I control myself Bluetooth Smart car, can PWM control, two-way infrared and ultrasound obstacle avoidance obstacle avoidance, pro-test available, hoping to help you.)

AT89C51驱动直流电机，有仿真跟C语言。直流电机驱动，实现直流电机的正、反转，PWM调速。(AT89C51-driven DC motor, a simulation with the C language. DC motor drives, DC motor forward and reverse PWM speed control.)

NRF51822相关的API相关的代码，不是很完整，希望有帮助(NRF51822 related API related code, not very complete, I hope to help)

stm32产生spwm程序，利用TIM1和DMA，通过PA8和PB13输出spwm波(stm32 produce spwm program, using TIM1 and DMA, and PB13 through PA8 spwm wave output)

说明：  oled的IIC代码,包含有四角oled英文文档，原理图，此文档来源于网络，并非自己所整理。(The IIC code of OLED contains four corners of OLED English document, schematic diagram. This document is from the network, not collated by oneself.)

This test does only covers cases where the Additive or Mulplicative expression ToPrimitive is a string.

latex排版elsarticle自编程序，排版sci必备(latex typesetting elsarticle self programming, layout sci essential)

在 8X8 点阵式 LED 显示“★”、“●”和心形图，通过按键来选择要显示的 图形。(Style LED display ★ , ● and heart-shaped figure in 8X8 lattice to the graphics to be displayed by the button.)

说明：  电源 半导体 场效应管 boost buck boost-buck电路 (Power Electronics Converters, Applications, and Design)

说明：  学习ARM，开发ARM的必备工具J-LINK V8原理图(Learning ARM, ARM developed an essential tool J-LINK V8 schematic)