Arduino Uno R4记录温度传感器数据项目

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资源摘要信息:"使用Arduino Uno R4记录随时间变化的传感器数据。在这个项目中,一个温度传感器被连接到模拟输入0。" 1. Arduino Uno R4简介 Arduino Uno R4是Arduino系列的一款开源电子原型平台,它基于ATmega328P微控制器。Arduino Uno R4具有多个数字输入/输出引脚(其中一些可以用于PWM输出)、6个模拟输入、一个16 MHz的陶瓷谐振器、USB连接、一个电源插孔以及一个ICSP接头。Uno R4支持使用Arduino IDE进行编程,是初学者和专业人士的理想选择。 2. 传感器数据记录 传感器数据记录指的是使用传感器收集数据,并将这些数据保存起来以便之后进行分析的过程。在这个项目中,主要涉及到的传感器是温度传感器。 3. 温度传感器 温度传感器是一种可以测量环境或物体的温度,并将其转换成可用的输出信号的装置。在本项目中,温度传感器被连接到Arduino Uno R4的模拟输入0上。模拟输入0是Arduino上的一个模拟输入端口,可以读取模拟信号并将其转换为数字值。 4. 模拟输入 模拟输入是一种可以接收模拟信号的输入端口。模拟信号是连续的信号,可以取任意值。在Arduino Uno R4上,模拟输入端口可以读取模拟信号并将其转换为数字值,转换比例为1024:1,即0-1023的数字值代表0-5伏的电压。 5. 数据记录原理 数据记录的原理是使用Arduino Uno R4的模拟输入端口读取温度传感器的模拟信号,然后通过编程将这些信号转换为温度值,并将这些值保存在Arduino Uno R4上或传输到计算机上进行进一步的处理和分析。 6. 数据记录在实际应用中的意义 数据记录在许多领域都有重要的应用,例如气象观测、环境监测、工业生产控制、医疗设备监测等。通过记录和分析数据,可以了解环境或设备的状态,预测可能出现的问题,为决策提供依据。 7. Arduino编程基础 要实现数据记录,需要掌握一定的Arduino编程知识。Arduino编程语言是基于C++的,因此需要了解C++的基本语法和编程方法。此外,还需要熟悉Arduino IDE的使用,了解如何编写、上传和调试Arduino代码。 8. 数据记录的扩展应用 除了温度传感器,Arduino Uno R4还可以连接各种其他的传感器,例如光敏传感器、声音传感器、加速度传感器等。通过连接不同的传感器,可以收集各种各样的数据,实现更复杂的数据记录和处理。 9. 项目实现过程 在本项目中,首先需要将温度传感器连接到Arduino Uno R4的模拟输入0上。然后,通过编写Arduino代码来读取传感器的数据,并将这些数据保存在Arduino Uno R4上或通过串口传输到计算机上。最后,可以使用数据处理软件对收集到的数据进行处理和分析。 10. 项目成果的展示 项目完成后,可以通过多种方式展示成果。例如,可以通过LED灯的亮度或闪烁来直观显示温度数据,也可以将数据上传到网站上进行实时监控,或者将数据保存在文件中进行后续的详细分析。

import axios from "axios"; export default { name:"UserLogin", data() { return { loginForm: { username: "", password: "", }, registerDialogVisible: false, registerForm: { username: "", password: "", }, }; }, methods: { showRegisterDialog() { this.registerDialogVisible = true; }, async submitRegisterForm(formName) { this.$refs[formName].validate(async (valid) => { if (valid) { try { await axios.post("http://localhost:5001/register", { username: this.registerForm.username, password: this.registerForm.password, }); // 自动登录 this.loginForm.username = this.registerForm.username; this.loginForm.password = this.registerForm.password; await this.submitForm("loginForm"); this.registerDialogVisible = false; } catch (error) { console.log(error); this.$message({ message: "Registration failed!", type: "error", }); } } else { this.$message({ message: "Invalid input!", type: "error", }); return false; } }); }, async submitForm(formName) { this.$refs[formName].validate(async (valid) => { if (valid) { try { const response = await axios.post("http://localhost:5001/login", { username: this.loginForm.username, password: this.loginForm.password, }); const token = response.data.token; const id = response.data.id; const permission = response.data.permission localStorage.setItem("token", token); localStorage.setItem("id",id); localStorage.setItem("permission",permission) this.$message({ message: "Logged in successfully!", type: "success", }); this.$router.push({ name: "MinesApp" }); } catch (error) { console.log(error); this.$message({ message: "Invalid credentials!", type: "error", }); } } else { this.$message({ message: "Invalid credentials!", type: "error", }); return false; } }); }, }, };什么意思

2023-05-24 上传

用C++编写程序,实现以下问题2、题目ID Codes(POJ1146) Time Limit: 1000MS Memory Limit: 10000K 描述: It is 2084 and the year of Big Brother has finally arrived, albeit a century late. In order to exercise greater control over its citizens and thereby to counter a chronic breakdown in law and order, the Government decides on a radical measure--all citizens are to have a tiny microcomputer surgically implanted in their left wrists. This computer will contains all sorts of personal information as well as a transmitter which will allow people's movements to be logged and monitored by a central computer. (A desirable side effect of this process is that it will shorten the dole queue for plastic surgeons.) An essential component of each computer will be a unique identification code, consisting of up to 50 characters drawn from the 26 lower case letters. The set of characters for any given code is chosen somewhat haphazardly. The complicated way in which the code is imprinted into the chip makes it much easier for the manufacturer to produce codes which are rearrangements of other codes than to produce new codes with a different selection of letters. Thus, once a set of letters has been chosen all possible codes derivable from it are used before changing the set. For example, suppose it is decided that a code will contain exactly 3 occurrences of a', 2 of b' and 1 of c', then three of the allowable 60 codes under these conditions are: abaabc abaacb ababac These three codes are listed from top to bottom in alphabetic order. Among all codes generated with this set of characters, these codes appear consecutively in this order. Write a program to assist in the issuing of these identification codes. Your program will accept a sequence of no more than 50 lower case letters (which may contain repeated characters) and print the successor code if one exists or the message No Successor' if the given code is the last in the sequence for that set of characters. 输入: Input will consist of a series of lines each containing a string representing a code. The entire file will be terminated by a line consisting of a single #. 输出: Output will consist of one line for each code read containing the successor code or the words 'No Successor'. 样例输入 abaacb cbbaa # 样例输出 ababac No Successor

2023-05-22 上传