stm32 中使用SPI通讯写FLASH

CBM2090技术资料，硬件原理图，针脚说明，开发使用-CBM2090 technical information, hardware schematics, pin description, develop the use of

2410的安全数字卡的驱动，很好的一个程序-The Secure Digital 2410 drive, a very good program

IO口蜂鸣器输出频率的采集，听到好听的可以抄下来，不用找蝌蚪了-IO I buzzer output frequency of collection, can hear the sound of the copy down, do not look for the tadpoles

led blinking code on 8051 with videos

IIC总线，I2C，用于LPC21XX系列的，LPC2103。用非中断的方式写的，直接用IO口控制。非常好用。-IIC Bus, I2C, for LPC21XX series, LPC2103. With non-disruptive way to write and direct use of IO population control. Very easy to use.

This program is free software you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.--This program is free software. You can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

应用背景sim900a为通信核心板，利用Stm32控制开发板，通过AT进行电话的接听和拨打进行编程关键技术sim900a基于Stm32开发板利用AT指令进行拨打电话和接听电话的功能实现，有详细的注释，采用c语言编写

基于arduino的温度采集，通过18b20进行温度采集，然后将其上传到指定ip的服务器上。nokia5110用于显示相应的参数，温度信息。arduino可以进行ip的自动获取，还可以将数据通过串口用电脑进行观察相关参数。

PIC单片机控制12位高速串行DA（max538）产生阶梯波-PIC SCM 12 high-speed serial DA (max538) ladder generated wave

240x128液晶T6963控制器驱动程序（C51）-很经典的!!!拿来可用-T6963 controller 240x128 LCD Driver (C51)- classic! ! ! Used available