AI-thihker Wireless Module Expert: 四月 2016

ESP8266 系列模组是安信可（Ai-thinker）公司采用乐鑫ESP8266芯片开发的一系列wifi 模组模块。
ESP8266 series module developed by Ai-thinker adopts Espressif ESP8266 chip.

ESP8266 特性：
*802.11 b/g/n
*内置低功耗32位CPU:可以兼作应用处理器
*内置10 bit高精度ADC
*内置TCP/IP协议栈
*内置TR开关、balun、LNA、功率放大器和匹配网络
*内置PLL、稳压器和电源管理组件
*支持天线分集
*STBC、1x1 MIMO、2x1 MIMO
*A-MPDU、A-MSDU的聚合和0.4 s的保护间隔
*WiFi @ 2.4 GHz,支持 WPA/WPA2 安全模式
*支持STA/AP/STA+AP工作模式
*支持Smart Config功能（包括Android和iOS设备）
*SDIO 2.0、（H) SPI、UART、I2C、I2S、IR Remote Control、PWM、GPIO
*深度睡眠保持电流为10 uA,关断电流小于5 uA
*2 ms之内唤醒、连接并传递数据包
*802.11b模式下+20 dBm的输出功率
*待机状态消耗功率小于1.0 mW (DTIM3)
*工作温度范围：-40°C - 125°C
*通过 FCC, CE, TELEC, WiFi Alliance 及 SRRC 认证

ESP8266 Feature:
*802.11 b/g/n protocol
*Wi-Fi Direct (P2P), soft-AP
*Integrated TCP/IP protocol stack
*Integrated TR switch, balun, LNA, power amplifier and matching network
*Integrated PLL, regulators, and power management units
*+19.5dBm output power in 802.11b mode
*Supports antenna diversity
*Power down leakage current of < 10uA
*Integrated low power 32-bit MCU
*SDIO 2.0, SPI, UART
*STBC, 1x1 MIMO, 2x1 MIMO
*A-MPDU & A-MSDU aggregation & 0.4μs guard interval
*Wake up and transmit packets in < 2ms
*Standby power consumption of < 1.0mW (DTIM3)

超低功耗技术:
ESP8266EX专为移动设备、可穿戴电子产品和物联网应用设计，并与其他几项专利技术一起使机器实现最低能耗。这种节能的构造以三种模式运行：激活模式、睡眠模式和深度模睡眠式。
ESP8266EX使用高端电源管理技术和逻辑系统调低非必需功能的功率，调控睡眠模式与工作模式之间的转换，在睡眠模式下，其消耗的电流小于12 uA,处于连接状态时，其消耗的功率少于1.0 mW(DTIM=3) 或 0.5 mW (DTIM = 10)。
睡眠模式下，只有校准的实时时钟和watchdog处于工作状态。可以通过编程使实时时钟在特定的时间内唤醒 ESP8266EX。
通过编程，ESP8266EX会在检测到某种特定情况发生的时候自动唤醒。ESP8266EX在最短时间内自动唤醒，这一特征可以应用到移动设备的SOC上，这样SOC在开启Wi-Fi之前均处于低功耗待机状态。
为满足移动设备和可穿戴性电子产品的功率需求，ESP8266EX在近距离时可以通过软件编程减少PA的输出功率来降低整体功耗，以适应不同的应用方案。

Ultra Low Power Technology:
ESP8266EX has been designed for mobile, wearable electronics and Internet of Things applications with the aim of achieving the lowest power consumption with a combination of several proprietary techniques. The power saving architecture operates mainly in 3 modes: active mode, sleep mode and deep sleep mode.By using advance power management techniques and logic to power-down functions not required and to control switching between sleep and active modes, ESP8266EX consumes about than 60uA in deep sleep mode (with RTC clock still running) and less than 1.0mA (DTIM=3) or less than 0.5mA (DTIM=10) to stay connected to the access point.
When in sleep mode, only the calibrated real-time clock and watchdog remains active. The real-time clock can be programmed to wake up the ESP8266EX at any required interval.
The ESP8266EX can be programmed to wake up when a specified condition is detected. This minimal wake-up time feature of the ESP8266EX can be utilized by mobile device SOCs, allowing them to remain in the low-power standby mode until Wi-Fi is needed.In order to satisfy the power demand of mobile and wearable electronics, ESP8266EX can be programmed to reduce the output power of the PA to fit various application profiles, by trading off range for power consumption.

主要应用领域:
智能家居
家庭自动化
智能插座、智能灯
网状网络
工业无线控制
婴儿监控器
网络摄像机
传感器网络
可穿戴电子产品
无线位置感知设备
安全ID标签
无线定位系统信号
ESP8266EX Applications
*Smart power plugs
*Home automation
*Mesh network
*Industrial wireless control
*Baby monitors
*IP Cameras
*Sensor networks
*Wearable electronics
*Wi-Fi location-aware devices
*Security ID tags
*Wi-Fi position system beacons

ESP8266系列模块现在主要包括以下类型：
ESP-01 包括两个版本，一个是篮色版，一个是黑色版本的，功能一样，Pin脚一样，只是主板颜色不同，蓝色是老版产品，目前AI-thinker已经停产这种版本，但是市场上还是有一些在售产品，后期ESP-01都是黑色版本的。ESP-01 共接出 8 个接口，ESP-01 贴片式模组的外观尺寸为14.3mm＊24.8mm＊3mm。该模组采用的是容量为 1MB，封装为SOP-210 mil 的 SPI Flash。模组使用的是3 DBi 的PCB 板载天线。

ESP8266 series modules As following types:
ESP - 01 includes two versions, one Blue version and a black version, functions and Pin is same, only the mainboard.it is different the color of mainboard . the AI - thinker have shut down Blue version now, ESP-01 are altogether 8 pin counts, The external size of the module is 14.3mm*24.8mm*3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.
The antenna applied on this module is a 3DBi PCB-on-board antenna.

ESP-02 共接出8个接口，ESP-02 贴片式模组的外观尺寸为 14.9mm＊16.3mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-02 are altogether 8 pin counts, The external size of the module is 14.9mm *16.3 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-03 共接出 14个接口，ESP-03 贴片式模组的外观尺寸为17.3mm＊12.1mm＊3mm。该模组采用的是容量为1MB，封装为SOP-210 mil 的 SPI Flash。模组使用的是陶瓷板载天线。

ESP-03 are altogether 14 pin counts, The external size of the module is 17.3mm *12.1 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.
The antenna applied on this module is a ceramic antenna.

ESP-04 共接出14个接口，ESP-04 贴片式模组的外观尺寸为 14.7mm＊12.1mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-04 are altogether 14 pin counts, The external size of the module is 14.7mm *12.1 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-05 共接出 5个接口，ESP-05 贴片式模组的外观尺为 14.2mm＊14.2mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-05 are altogether 5 pin counts, The external size of the module is 14.2mm *14.2 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-06共接出 20个接口，ESP-06E 贴片式模组的外观尺寸为 16.2mm＊13.2mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-06 are altogether 5 pin counts, The external size of the module is 16.2mm *13.2 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-7共接出16个接口，ESP-07 贴片式模组的外观尺寸为 16mm＊21.2mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。配有陶瓷天线。

ESP-07 are altogether 5 pin counts, The external size of the module is 16mm *21.2 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.
The antenna applied on this module is a ceramic antenna.

ESP-08共接出16个接口，ESP-08 贴片式模组的外观尺寸为 16mm＊18.5mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-08 are altogether 5 pin counts, The external size of the module is 16mm *18.5 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-09共接出 20个接口，ESP-09 贴片式模组的外观尺寸为 10mm＊10mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-09 are altogether 20 pin counts, The external size of the module is 10mm *10 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-10共接出 5个接口，ESP-10 贴片式模组的外观尺寸为 16mm＊18.5mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-10 are altogether 5 pin counts, The external size of the module is 16mm *18.5 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-11共接出 8个接口，ESP-11 贴片式模组的外观尺寸为 16mm＊18.5mm ＊3mm。该模组采用的是容量为 1MB，封装为 SOP-210 mil 的 SPI Flash。

ESP-11 are altogether 8 pin counts, The external size of the module is 16mm *18.5 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 1 MB,the package size of which is SOP-210mil.

ESP-12 共接出16 个接口，ESP-12 贴片式模组的外观尺?寸为 16mm＊24mm ＊3mm。该模组采用的是容量为 4MB，封装为 SOP-210 mil 的 SPI Flash。模组使用的是 3 DBi 的 PCB 板载天线。

ESP-12 are altogether 18 pin counts, The external size of the module is 16mm *18.5 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 4 MB,the package size of which is SOP-210mil.
The antenna applied on this module is a 3DBi PCB-on-board antenna.

ESP-12E 共接出 22 个接口，ESP-12E贴片式模组的外观尺寸为 16mm＊24mm ＊3mm。该模组采用的是容量为 4MB，封装为 SOP-210 mil 的 SPI Flash。模组使用的是 3 DBi 的 PCB 板载天线。

ESP-12E are altogether 16 pin counts, The external size of the module is 16mm *24 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 4 MB,the package size of which is SOP-210mil.
The antenna applied on this module is a 3DBi PCB-on-board antenna.

ESP-12F 共接出 22个个接口，ESP-12F 贴片式模组的外观尺寸为 16mm＊24mm ＊3mm。该模组采用的是容量为 4MB，封装为 SOP-210 mil 的 SPI Flash。模组使用的是 3 DBi 的 PCB 板载天线。

ESP-12F are altogether 18 pin counts, The external size of the module is 16mm *24 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 4 MB,the package size of which is SOP-210mil.
The antenna applied on this module is a 3DBi PCB-on-board antenna.

ESP-13 共接出 18 个接口，ESP-13 贴片式模组的外观尺寸为18mm＊20mm ＊3mm。该模组采用的是容量为 4MB，封装为 SOP-150 mil 的 SPI Flash。模组使用的是 3 DBi 的 PCB 板载天线。

ESP-13 are altogether 18 pin counts, The external size of the module is 18mm *20 mm *3mm .The type of Flash integrated in this module is an SPI flash, the capacity of which is 4 MB,the package size of which is SOP-210mil.
The antenna applied on this module is a 3DBi PCB-on-board antenna.

ESP-14 共接出 22 个接口，ESP-14 贴片式模组的外观尺寸为16mm＊24mm ＊3mm。该模组采用的是容量为1MB，内置STM8003 MCU和ESP8266 WIFI芯片。ESP8266－14同时支持贴片和DIP插件两种方式，采用2.0的间隔。

ESP-14 are altogether 18 pin counts, The external size of the module is 16mm *24 mm *3mm .the capacity of which is 1MB.ESP-14 module has a built-in powerful STMs8003F3P6 chips and wifi ESP8266, pick out all the pins, serial port can connected tthe serial port of the ESP8266, users can write STM8 program, through the AT command control WIFI Internet capability.

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The battle of king for the Smart hardware Internet access points

The Internet can be regarded as a person's information, the Internet of things is the informatization of the world.
Internet of things is the basic function of a necessary access to the Internet, way outside WIFI and mobile GPRS data access two kinds.Once upon a time, the original rule out their own half of the world.But with the advent of the Internet of things intelligent household tuyere, especially as the price of dip, the market had the intersection!Such as mobile POS before, originally made with GPRS data access to the Internet, with the popularity of WIFI and hardware cost advantage, that was his WIFI grab the part of the market, the previous satellite receiver using GPRS module, some manufacturers began to use the WIFI module to replace.2 g basic being idle and GPRS, and as the GPRS module to reduce the cost of equipment, Moore's law, the threshold of the GPRS is expensive, is also a thing of the past.GPRS Internet access to the congenital advantage has been fully demonstrated.

Here are some professional advices to analyze market Demand for customer

Rate: WIFI is famous for its high data rate.It is second to Tony GPRS compared with WiFi.But the smart home and Internet data transmission volume is small, usually 1 k Byte/S basic will be enough.So in the Internet of things applications, speed is not bottleneck restriction.

Price: as the Internet WIFI module 24 months of continuous fighting, a quarter of the price is reduced to 2 years ago, basic!They will be done within 10 yuan.For Internet GPRS module, essence can adopt the same strategy: WIFI to activate the market first.Essence can launch the full spectrum of GPRS module again upset the market, focus on the Internet of things and smart home market, in 15 RMB retail price, batch test.The price is in line with the WIFI module on market!

Security: for router back door gust, zero day vulnerabilities, GPRS data flow security is quite high, the possibility of attack and be black small relative to the WIFI.

Traffic expenses: WIFI completely free, GPRS can collect fees by year, the lowest 8 yuan package years.As China mobile and China unicom in and competition of Internet of things, the lowest rates will reduce to 5 yuan package.Because the Internet of things market surge in demand, the market has a huge gap.Mobile network operators, in strategic layout, undertake their first, obviously, won't make such a big group of loss, because the user group of even more widely than mobile phone users!Early to grab customers and the market is quite important.

Customer experience: the change of home network is bigger, will modify the account password or several times within a year, and the situation of the equipment complex, even not with WIFI, such as frequency drops a bad experience.Iot colleagues, such as you do at the fair show your WIFI products, tend to be embarrassed, signal spectrum was taken seriously, perfect presentation of your product, can fully rely on luck.And GPRS easily cope, there is no such problem!The change in the network environment, you need to re-enter WIFI account and password, is cumbersome.And GPRS module is a card for life, plug-in automatically connected to the Internet!

Iot device must be connected to the Internet, and the choice of access networks have both WIFI and GPRS is more affordable, WIFI access equipment equipment price is 3 to 5 dollars, lower than the GPRS this is hardware cost.But, if the GPRS performance better than WIFI, stable and reliable, to take the lead in experience a "geek" smart home users, is the cost for the 3-5 yuan is not sensitive.Early is no real-name SIM CARDS, however, now according to the national ministry of industry and the phone user identity information registration regulations since September 1, 2013, the new phone users are required to be available to register as a true identity communication services.This factory can be unified, omitted the customer more than one step of operation.Free WIFI flow forever, this seems to be advantage is larger, and GPRS need traffic fee every year, at least 5 yuan, but relative to the phone bill, we hold every year thousands of 5 yuan is negligible.And the packages that can be deducted in your master card binding, not forget cost problems.

Therefore GPRS and WIFI who is able to capture more customers of the key factors is:

1)Customer will pay for 5 yuan each year to use cost;

2)SIM card, is a matter of cost, if the cost is too high, will affect the mobile data occupy the pace of the Internet of things!

In 2016, the AI-thinker main products as ESP32 and ESP8285 from Espressif and continue to maintain good further cooperation with Espressif . GPRS module as a new product, to continue to activate the Internet of things smart home market play their own advantages.ESP and GPRS series will go together for can become the essence of iot wireless communication module, the first brand contribute their strength!