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Home Development Board NodeMcu Lua WIFI Board Based on ESP8266 CP2102 Module – ESP – 12F for IoT Applications
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NodeMcu Lua WIFI Board Based on ESP8266 CP2102 Module – ESP – 12F for IoT Applications

$3.20 Original price was: $3.20.$3.10Current price is: $3.10.

NodeMCU开发板是一个用于物联网应用的开源平台,集成了ESP8266 Wi-Fi系统级芯片(ESP-12模块)和嵌入式固件。它由一个Tensilica 32位RISC CPU(80MHz时钟速度)供电,具有4MB闪存,工作电压为3.3V(7-12V输入),并包括一个USB到串口转换器,便于编程。
紧凑且低功耗,该板提供10个可配置的GPIO(支持PWM、I2C、1-Wire)、一个ADC通道和一个FCC认证的Wi-Fi模块,内置PCB天线。通过USB即插即用,可与NodeMCU Lua固件或Arduino IDE配合使用,为原型制作智能家居设备、环境监测器和物联网项目提供灵活的解决方案。
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Category: Development Board Tag: WiFi Module
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Description

NodeMCU Lua ESP8266 ESP-12F CP2102 WiFi开发板

NodeMCU Lua ESP8266 ESP-12F CP2102 WiFi开发板是物联网爱好者和开发者的多功能且强大的工具。该板结合了ESP8266 ESP-12F模块的功能和Lua编程语言的易用性,使其成为各种项目的理想选择。

主要特点

  • ESP8266 ESP-12F 模块:这款开发板的核心是ESP8266 ESP-12F,这是一款为满足互联世界需求而设计的高集成度芯片。它提供了一个完整且自包含的Wi-Fi网络解决方案。这意味着它可以直接托管应用程序,或者从另一个应用处理器卸载所有Wi-Fi网络功能。凭借其强大的板载处理和存储能力,它可以通过通用输入/输出(GPIO)引脚轻松与传感器和其他应用特定设备集成。这种集成在开发初期只需要最少的开发工作,并且在运行时的加载也很少。高程度的板上集成还允许最少的外部电路,整个解决方案,包括前端模块,都设计为占用最小的PCB面积。
  • CP2102 USB – TTL 串口转换器:该板集成了一个CP2102 USB – TTL 串口转换器。该组件提供了许多优势。首先,它提供了可靠的工业强度,确保在所有支持平台上具有更高的稳定性。它简化了为ESP8266芯片供电和编程的过程。不再需要使用单独的USB – 串口适配器,板上的集成微型USB端口使供电和上传程序变得更加容易。此转换器的通信接口电压为3.3V。
  • Wi-Fi 连接:该板在2.4 GHz频段运行,支持802.11 b/g/n无线通信标准。它可以以三种不同的操作模式运行:Station (STA)、Access Point (AP) 和 STA + AP。这种灵活性使其能够用于各种网络场景,例如作为客户端连接到现有的Wi-Fi网络,或为其他设备创建自己的Wi-Fi网络。它还支持WPA/WPA2安全模式,确保您的网络连接安全。内置的TCP/IP协议栈使其能够支持多个TCP客户端连接,最多可支持5个连接。
  • GPIO和其他接口:该板具有范围广泛的通用输入/输出引脚(D0 – D8, SD1 – SD3),可以用于各种目的,例如数字输入/输出、用于控制电机或LED的脉冲宽度调制(PWM)、用于与其他I2C兼容设备通信的集成电路总线(IIC)等。这些引脚的端口驱动能力为15mA。此外,它还具有1通道(AD0)的模数转换器(ADC),可以用于读取模拟传感器值。
  • 电源需求:电路板的电源输入范围为4.5V到9V,最大输入电压为10V。可以通过微型USB接口方便地供电。在电流消耗方面,连续传输时消耗约70mA(最大200mA),待机模式下消耗小于200μA。逻辑电流范围为0mA – 36mA。
  • 数据传输速率:该板支持的数据传输速率为110到460800 bps,可根据应用需求灵活选择通信速度。它还支持UART(通用异步接收/发送器)和GPIO数据通信接口,为与其他设备的连接和通信提供了更多选择。
  • 闪存:该板配有4MB的闪存,可以为您的程序、配置和任何需要持久存储的数据提供足够的存储空间。
  • 小尺寸:尺寸紧凑,可以轻松放入各种物联网项目中,而不会占用太多空间。这使其适用于尺寸有限的应用,例如可穿戴设备或小型家庭自动化项目。

应用程序

  • 家居自动化:使用它来创建一个自制的智能家居系统。连接传感器,如温度、湿度、运动传感器,以及控制设备,如智能开关或智能插头。例如,您可以设置一个系统,使板子读取您房间的温度和湿度水平,并根据预设的阈值自动控制空调或加湿器。
  • 环境监测:通过连接空气质量管理传感器、噪音传感器或土壤湿度传感器等环境传感器,该板可以用于监测环境状况。收集到的数据可以通过Wi-Fi发送到中央服务器或在本地设备上显示以进行分析。
  • 智慧农业:在农业环境中,它可以用于监测温室中的土壤湿度、温度和光照水平。根据收集到的数据,它可以控制灌溉系统、通风扇和人工照明,以优化植物生长。
  • 遥控系统:创建一个遥控设备,例如玩具车或无人机。该板子可以通过Wi-Fi从移动设备或计算机接收命令,并控制车辆的移动和动作。

编程和设置

  • Lua 编程:如果你想要用 Lua 编写程序,可以轻松地将 NodeMCU 固件加载到板子上。Lua 是一种轻量级的高级编程语言,易于学习,非常适合 IoT 开发。NodeMCU 固件提供了一组 API,允许你使用 Lua 代码与板子的硬件组件进行交互,例如 GPIO 引脚、Wi-Fi 模块和 ADC。
  • 与其他平台的兼容性:该板子也与其他领先的微控制器开发平台兼容。例如,它可以与Arduino IDE一起使用。如果您更熟悉Arduino编程语言和生态系统,您仍然可以使用该板并利用其功能。
  • 设备烧写:用新固件烧写设备是一个简单的过程。要烧写,只需按住板上的烧写按钮,并使用固件编程软件。根据您的操作系统,有各种工具可供使用。对于Windows用户,可以使用NodeMCU – flasher工具,而对于Linux用户,可以使用esptool来烧写NodeMCU。

包装内容

  • 1 x NodeMCU Lua ESP8266 ESP-12F CP2102 WiFi 开发板

 

无论你是物联网开发的初学者还是经验丰富的工程师,NodeMCU Lua ESP8266 ESP-12F CP2102 WiFi开发板都为你提供了一个经济实惠、功能丰富的解决方案,让你的物联网创意变为现实。
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