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Amazing-Key-Pad
here is a document describing KEy pad decoding techniques and C++ source code as well. it is show 74ls138 role in decoding..
hope it will be helpful.
THANKS
- 2014-07-17 19:13:43下载
- 积分:1
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使用DMA方式收发数据的实践
STM32_USART_DMA_RX
程序为STM32 串口UART 使用DMA方式收发数据的实践(how to read data on UART by using DMA when number of bytes to receive is not known in advance.)
- 2020-07-31 10:38:37下载
- 积分:1
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digital
基于单片机STC89C51和74LS164的多功能数字万用表(Based on microcontroller STC89C51 and 74 ls164 multi-function digital multimeter)
- 2013-08-29 22:40:03下载
- 积分:1
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SmartCar
一套智能车电磁组的源程序,供参考。包含了PID、PWM、PIT等,单片机是MC9S12XS128。(A set of intelligent vehicle electromagnetic group of source code, for reference.)
- 2020-11-10 21:29:45下载
- 积分:1
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temperature-monitoring
1-Wire总线器件ROM搜索与多点温度监测(1-Wire Bus device ROM search and multi-point temperature monitoring)
- 2013-03-18 22:43:44下载
- 积分:1
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UltraEdit_lh_18.20.0.1028
平时编写程序或者查看程序时 ,编写软件是十分重要的,这个软件十分方便简洁。(
Usually when you write a program or viewer, it is important to write software, the software is very easy and simple.)
- 2015-05-09 12:37:58下载
- 积分:1
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20090421
倒计时倒计时板,可以实现倒计时主题修改,时间设置等功能(dajishi)
- 2009-05-19 11:50:08下载
- 积分:1
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BOOST
峰值电流控制的BOOST,DC-DC电路,48V转80V,具有ZCS环境(Peak current control BOOST, DC-DC circuit, 48V switch 80V, with ZCS environment)
- 2013-11-15 15:00:45下载
- 积分:1
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i2c
基于STM32F407系列芯片的,通过软件来模拟的IIC总线的主设备,读取MAC地址芯片里面的MAC地址。(Based on STM32F407 series chips through software to simulate the IIC bus master device reads the chip inside the MAC address MAC address.)
- 2013-12-30 14:12:15下载
- 积分:1
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ALIENTEK MINISTM32 实验2 按键实验
正点原子Mini板实验二 按键实验,为新手准备的基础源码,基于C语言,芯片为STM32F103RC(Punctuality atomic Mini board experiment two button experiment, for beginners to prepare the basic source code, based on C language, chip STM32F103RC)
- 2018-04-28 13:12:36下载
- 积分:1