ESP8266 – Getting Started

ESP8266 is a powerful micro-controller with in-build WiFi. if your a beginner or expert this is the right place to enhance your knowledge about ESP8266 and its applications. Now a this ESP8266 is very famous because its main feature and using many more applications like Home Applications. Home Automation, Smart Plugs and Lights, Mesh Network, Industrial Wireless Control, Baby Monitors, IP Cameras, Sensor Networks, Wearable Electronics, WiFi Location-aware Devices, Security ID Tags, WiFi Position System Beacons. ESP8266 is a popular chip in the internet of things world, before Learn about ESP8266 you should know about Espressif.

  • Where to Buy ESP8266 Modules? See Here

         ESP8266 is a very popular and powerful controller. Main feature of the controller is WiFi in build. you can do any internet of things based projects and product based on the chip very easy. because many language and library are available for this controller. also very chip cost. here below see the specification and feature of esp8266.


ESP2866 Pin Definition


ESP8266 Features

Wi-Fi Features

  • Standards – FCC/CE/TELEC/SRRC
  • Protocols – 802.11 b/g/n/e/i
  • Frequency Range  –  2.4GHz – 2.5GHz (2400MHz to 2483.5MHz)
  • Tx Power
    • 802.11 b: +20 dBm
    • 802.11 g: +17 dBm
    • 802.11 n: +14 dBm
  • Rx Sensitivity
    • 802.11 b: -91 dbm (11 Mbps)
    • 802.11 g: -75 dbm (54 Mbps)
    • 802.11 n: -72 dbm (MCS7)
  • Antenna – PCB Trace, External, IPEX Connector, Ceramic Chip

Hardware

  • CPU
    • Tensilica L106 32-bit micro controller
    • Ultra-low-power 16-bit RSIC
    • clock speed is 80 MHz. (maximum – 160MHz)
  • Peripheral Interface
    • GPIO (General Purpose Input/Output)                              – 17 GPIOs 
    • UART (Universal Asynchronous Receiver Transmitter)    – 2 UART 
      • TX, RX
      • UART0, UART1
    • SDIO (Secure Digital Input/Output)                                   – 1 SDIO 
      • CLK, DATA_0, DATA1, DATA_2, DATA_3, CMD
      • Supported 4 bit 25MHz SDIO v1.1 and 4 bit 50 MHz SDIO v2.0
    • SPI (Serial Peripheral Interface-CLK, MISO, MOSI, CS) – 3 SPIs 
      • One General Slave/Master SPI
      • One Slave SDIO/SPI
      • One General Slave/Master HSPI
    • I2C (Inter Integrated Circuit-SCL, SDA)                 – One I2C
    • I2S – (Inter Integrated sound)WS2812 series         – One I2S 
    • IR Remote Control (IR_Tx, IR_Rx)                         – One IR
    • ADC (Analog to digital Converter)     10 Bits          – One ADC 
    • PWM (Pulse with Modulation)                                – 4 PWM 
    • LED Light & Button
  • Operating Voltage (1.85vmin)            : 3.0V ~ 3.6V
  • Operating Current Average value      : 80 mA (Min require 230mA)
  • Operating Temperature Range          : -40°C ~ 125°C
  • Storage Temperature Range             : -40°C ~ 125°C
  • Package Size                                    : QFN32-pin (5 mm x 5 mm)

Software

  • Wi-Fi Mode  – station/softAP/SoftAP+station
  • Security       – WPA/WPA2
  • Encryption   – WEP/TKIP/AES
  • Firmware Upgrade
    • UART Download
    • OTA (via network-1MB)
  • Software Development
    • Supports Cloud Server Development /Firmware and SDK for fast on-chip programming
  • Network Protocols  – IPv4, TCP/UDP/HTTP/FTP
  • User Configuration
    • AT Instruction Set,
    • Cloud Server,
    •  Android/iOS

ESP8266 Applications

  • Home Appliances
  • Home Automation
  • Smart Plugs and Lights
  • 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 Sleep Mode

  • ESP8266 can be use as low power solution
  • ESP8266 supports three type of configurable sleep modes
    • Modem-Sleep
    • Light-Sleep
    • Deep-Sleep

Reference

 


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