---
title: "STM32 IoT WiFi development board W5500 Ethernet ESP8266 remote upgrade OTA applet MQTT"
url: "https://maker.wiznet.io/gemma/resellers/stm32-iot-wifi-development-board-w5500-ethernet-esp8266-remote-upgrade-ota-applet-mqtt/"
markdown_url: "https://maker.wiznet.io/gemma/resellers/stm32-iot-wifi-development-board-w5500-ethernet-esp8266-remote-upgrade-ota-applet-mqtt/md"
type: "VAR: Value-Added Reseller Products"
author: "tb19791168"
author_url: "https://www.taobao.com/list/item/598775645365.htm?spm=a21wu.10013406.taglist-content.28.10da7dceyOPdIB"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "tb19791168"
original_url: "https://www.taobao.com/list/item/598775645365.htm?spm=a21wu.10013406.taglist-content.28.10da7dceyOPdIB"
published: "2022-11-28"
language: "en"
likes: 1
views: 958
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# STM32 IoT WiFi development board W5500 Ethernet ESP8266 remote upgrade OTA applet MQTT

> STM32 IoT WiFi development board W5500 Ethernet ESP8266 remote upgrade OTA applet MQTT STM32物联网WiFi开发板W5500以太网ESP8266远程升级OTA小程序MQTT

Original author: tb19791168 (source: https://www.taobao.com/list/item/598775645365.htm?spm=a21wu.10013406.taglist-content.28.10da7dceyOPdIB)

## Article

主控芯片:STM32F103RET6(实际使用软硬件全兼容芯片AT32F403ARGT7或者GD32F103RET6); 如果用户想使用STM32请先联系客服.需要补差价.

以太网模块: W5500

WiFi模块: ESP8266(2022/10/1开始增设该教程)

板载外设: RS485通信(SP485EEN); CAN总线(TJA1050T); 继电器(5脚10A);

液晶OLED(IIC);温湿度传感器(DHT11);

---

Source: https://maker.wiznet.io/gemma/resellers/stm32-iot-wifi-development-board-w5500-ethernet-esp8266-remote-upgrade-ota-applet-mqtt/