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描述
ESP-12S, WiFi 模組 ESP8266 串口 WIFI 晶片
ESP8266 是一個完整且自成體系的 WiFi 網路解決方案，能夠獨立運行，也可以作為 從機搭載於其他主機 MCU 運行。ESP8266 在搭載應用並作為設備中唯⼀ 的應用處理器 時，能夠直接從外接快閃記憶體中啟動。內置的高速緩衝記憶體有利於提高系統性能，並減少 記憶體需求。 另外⼀ 種情況是，ESP8266 負責無線上網接入承擔 WiFi 適配器的任務時，可以將其 添加到任何基於微控制器的設計中，連接簡單易行，只需通過 SPI /SDIO 介面或 I2C/UART 口即可。 ESP8266 強大的片上處理和存儲能力，使其可通過 GPIO 口集成感測器及其他應用的 特定設備，實現了最低前期的開發和運行中最少地佔用系統資源。
文件與資料
Overview
The ESP-12S is a WiFi module based on ESP8266, with built-in 32Mbit Flash, in the small SMD16 package. There’re also onboard PCB antenna and metal shield. In short, it’s a small form factor and fairly high cost effective WiFi module.
With the pre-flashed AT firmware, you can control the module through UART AT commands easily. The module integrates MCU inside, supports other developments like Lua/Micropython/Arduino to achieve flexible and fast prototyping, make it easy to integrate the module into IoT applications.
Features
- 802.11b/g/n Wi-Fi SOC
- Integrated Tensilica L106 ultra-low-power 32-bit micro MCU, run at 80 MHz and 160 MHz frequency, supports RTOS
- Built-in 1-ch 10 bit high precision ADC
- Supports UART/GPIO/ADC/PWM/I2C
- SMD16 package
- Integrated Wi-Fi MAC/ BB/RF/PA/LNA
- Supports multi sleep modes, deep sleep current as low as 20uA
- UART baudrate up to 4Mbps
- Embedded Lwip protocol stack
- Supports STA/AP/STA+AP operation mode
- Supports Smart Config (APP) / AirKiss (WeChat), one key networking
- Supports UART local firmware upgrade and/or remote firmware upgrade (FOTA)
- AT commands for getting started fast
- Supports secondary development, integrated Windows / Linux environment
Applications
The ESP-12S suit for IOT applications such as:
- Smart home
- Intelligent building
- Industrial automation
- Wearable devices
- IP camera
- Intelligent agriculture
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