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this file is manual about rs-485

资源描述本设计是一个，智能循迹小车，此下车可以按照设定的路行驶，车的路线可以黑色的胶带设计路径，路径可有很大的角度。

sed1335fb.c -- Driver for sed1335 lcd control framebuffer device(sed1335fb.c-- Driver for sed1335 lcd cont rol framebuffer device)

该系统为一套完整的井下检测节点系统，包含温湿度、压力、瓦斯浓度、人员心率监测等。所有监测项目均包含报警功能(The system is a complete set of underground detection node system, including temperature and humidity, pressure, gas concentration, staff heart rate monitoring. All monitoring items include alarm functions)

说明：  113、基于51单片机老人生理智能监控GSM短信 本设计由STC89C52单片机电路+火焰传感器电路+加速度传感器+心率传感器电路+SIM800A_GSM模块电路+电源电路组成。 该系统实时监测老人是否跌倒，是否周围有火以及心率情况。 1、如果火焰传感器检测到火焰，则GSM向特定手机发送：Fire！ 2、如果ADXL345检测到老人跌倒了，则GSM向特定手机发送：Fall！ 3、如果心率传感器检测到老人心率高于120，则GSM向特定手机发送：High Heart！ 4、注意本设计一次上电上述情况每个只能触发一次上报短信，不会连续发送，防止反复发送，请放心使用。 5、短信处理过程有GSM信号灯指示。 6、GSM模块是SIM800A，该模块和SIM900A电路程序完全兼容外观外形一模一样。(GSM SMS for elderly physiological intelligent monitoring based on 51 MCU This design consists of STC89C52 MCU circuit + flame sensor circuit + acceleration sensor + heart rate sensor circuit + sim800a_ GSM module circuit + power supply circuit. The system monitors whether the elderly fall down, whether there is fire around and heart rate in real time. 1. If the flame sensor detects a flame, the GSM sends: fire! 2. If adxl345 detects that an old man has fallen, the GSM sends a specific mobile phone: fall! 3. If the heart rate sensor detects that the heart rate of the elderly is higher than 120, the GSM sends a message to a specific mobile phone: high heart! 4. Pay attention to the design of a power on, each of the above conditions can only trigger a report SMS, will not be sent continuously, to prevent repeated sending, please rest assured to use. 5. SMS processing process is indicated by GSM signal light.)

说明：  STM32F103-2017全国电子设计大赛接收端代码 2017年电子设计大赛H题(STM32F103-2017 National Electronic Design Competition Receiver Code Question H of 2017 Electronic Design Competition)

考虑电动汽车的出行需求以及电网的波动特性，建立了电动汽车参与削峰填谷的控制策略(Travel demand and the volatility characteristics of the grid to consider electric vehicles, electric vehicles involved in the establishment of a load shifting control strategy)

1.5A Fast Ultra Low Dropout Linear Regulators

在点阵基本的走字功能上添加可以实现点整屏的时间以及温度显示，并且可以按键调节时间也可以遥控调节，具有与自动星期和日期更新功能，有温度报警功能。也可以添加时间报时功能。颠覆以往的点阵时间，真正纯原创(Take the word function in the basic lattice Add point of the entire screen time and temperature display, and buttons to adjust the time can be adjusted remotely with automatic day and date update function, temperature alarm function. You can also add time timekeeping function. Subvert the lattice, the real pure original)

说明：  单片机课程设计 利用80c51 TLC549 四位数码管设计的5V数字电压表(TLC549 5V Digital Voltmeter)