支持I2C、PWM、UART、SPI、GPIO等 插上存储卡就能执行 PyBoard 相识-PyBoard ESP32 芯片组 32位MCU 支持I2C、PWM、UART、SPI、GPIO等 WiPy 支持WIFI+蓝牙 需要手动烧写MicroPython固件 相识-WiPy ESP8266 芯片组 32位MCU 支持I2C、PWM、UART、SPI、GPIO等 nodemcu nodemcu 支持WIFI 需要手动烧写MicroPython固件 相识-NodeMCU ESP32 芯片组 双核32位 MCU 支持I2C、PWM、UART、SPI、GPIO等 ESP32 支持WIFI+蓝牙 需要手动烧写MicroPython固件 相识-ESP32 为想要玩的朋友准备了一份采购指南 相识- 一起玩吧 名称 特征 价格 PyBoard 支持SD卡 Cortex M4

IoT 服务端 •Python 各个击破 IoT 技术栈 -- MicroPython 开发 IoT 终端 • MicroPython 支持数十种单片机 • 支持多种硬件接口：GPIO、I2C、SPI、 UART、PWM….. • 开发便捷： 直接通过文件系统编写和运行程 序， 无需烧写器 • 相比传统单片机开发模式，减少了对IC厂家 资源的依赖 •Python 各个击破 IoT 技术栈 -- 及旋转频率。 • LoRa通信：通过串口控制LoRa模块，实现终端与网关的互相通信。 • 灯光控制：通过继电器控制灯光。 • 入侵检测：通过人体红外传感器检测入侵信号。 • 数据显示：通过SPI接口驱动液晶屏，显示终端设备的关键数据与运 行状态。 •Python + IoT 开发实践 – 网关架构 •Python + IoT 开发实践 – 网关硬件 •Python + IoT 开发实践

objects. Parameters • response (Response object) – the response which generated this output from the spi- der • result (an iterable of Request or Item objects) – the result returned by the spider • spider

objects. Parameters • response (Response object) – the response which generated this output from the spi- der 168 Chapter 6. Extending Scrapy Scrapy Documentation, Release 1.0.7 • result (an iterable of

objects. Parameters • response (Response object) – the response which generated this output from the spi- der • result (an iterable of Request, dict or Item objects) – the result returned by the spider

objects. Parameters • response (Response object) – the response which generated this output from the spi- der • result (an iterable of Request, dict or Item objects) – the result returned by the spider

objects. Parameters • response (Response object) – the response which generated this output from the spi- der • result (an iterable of Request, dict or Item objects) – the result returned by the spider

objects. Parameters • response (Response object) – the response which generated this output from the spi- der • result (an iterable of Request, dict or Item objects) – the result returned by the spider

objects. Parameters • response (Response object) – the response which generated this output from the spi- der • result (an iterable of Request, dict or Item objects) – the result returned by the spider

objects. Parameters • response (Response object) – the response which generated this output from the spi- der • result (an iterable of Request, dict or Item objects) – the result returned by the spider