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ESP8266 – Boards Types

The ESP8266 is a popular Wi-Fi module that enables microcontrollers to connect to Wi-Fi networks and communicate with the Internet. Nowadays this wifi chip-based various kinds of modules are available, we are discussing ESP8266 Boards Types and those specifications, which you can select for your requirements.

ESPressif ESP-WROOM Modules

The ESP-WROOM-x is a module developed by Espressif. Four different types of ESP WROOM Modules are available.

  • All the board’s pitch is 1.5mm.
  • All the Boards are shielded.
  • All the Boards do not have LEDs.
ESPressif ESP-WROOM Modules List

ESP-WROOM-02

ESP-WROOM-02 Front View
Front View
ESP-WROOM-02 Back View
Back View
  • Fully Certified: Wi-Fi Alliance, SRRC, FCC, CE, TELEC, IC & KCC Certified
  • Interfaces: Network Communication Protocol: TCP/IP network stacks,
  • Interfaces: Wired Communication Protocols: HSPI, UART, PWM, I2C, I2S
  • Fully Certified: RoHS, Halogen Free, REACH & CFSI Compliant
  • Fully Certified: HTOL, ESD-HM, MSL, μHAST, HTSL
  • Fully Certified: Output Power: +22dBm peak power in FCC certification
  • This Module can be easily integrated into space-limited devices, it’s small size.
  • PCB Design and Module Placement Guide
  • Data Sheet:

ESP WROOM-S2

  • The ESP-WROOM-S2 is part of the ESP32 series, which is a family of low-cost, low-power system-on-chip (SoC) microcontrollers with integrated Wi-Fi and Bluetooth capabilities.
  • Dual-Core Processor: Xtensa LX6 processor,
  • Peripheral Interfaces: GPIO pins, I2C, SPI, UART, and more
  • Datasheets by Espressif for ESP-WROOM-S2

 Ai-Thinker’s ESP8266 Modules

The AI-Thinker modules are sequentially labeled ESP-01 through ESP-13. NodeMCU boards extend upon the AI-Thinker modules. Here below tables about”Summary of All AI-Tinkers ESP8266 Module Boards”

Summary of All AI-Tinkers ESP8266 Module Boards

ESP-01

  • PCB Antenna, through matching, distance open 400 Meters, easy to use
  • This Module does not Support PWM hardware.
  • You can able to use the software PWM feature in the “NodeMCU” Platform.
ESP-01 Front View (Black Board)
ESP-01 Back View (Blackboard)
ESP-01 Front View (Blue Board)

ESP-02

ESP-02 Front View
  • SMD package for the commit limit, the antenna can be used IPX End leading housing.
ESP-02 Back View

ESP-03

ESP-03 Front View
  • SMD package,
  • Built-in ceramic antenna technology
  • All available IO Leads.
ESP-03 Back View

ESP-04

ESP-04 Front View
  • SMD package
  • Customers can custom antenna types
  • Flexible design and all available IO Leads.
ESP-04 Back View

ESP-05

ESP-05 Front View
  • SMD package,
  • Only leads to serial RST Feet,
  • Small size,
  • External antenna.

ESP-06

ESP-06 Front View
  • Bottom mount technology
  • All IO Mouth leads with metal shielding shell, can be had FCC CE Certification is recommended.
ESP-06 Back View

ESP-07

ESP-07 Front View
  • Half-hole chip technology,
  • All IO Leads with metal shielding shell,
  • Can be had FCE Certification,
  • External IPX Antenna,
  • The built-in ceramic antenna can be used.
ESP-07 Back View

ESP-07S

ESP-07S Front View

Same ESP-07 with 4MB Flash

  • Size 16mm*17mm*3mm
  • Pads:1mmx1.2mm
  • Pads Spacing: 2mm
ESP-07S Back View

ESP-08

ESP-08 Front View

With ESP-07 the antenna customers can define their form.

ESP-08 Back View

ESP-09

ESP-09 Front View
  • Ultra-small size package
  • Only 10 * 10 Mm
  • Four-layer board technology
  • 1M byte.
ESP-09 Back View

ESP-10

ESP-10 Front View
ESP-10 Back View

ESP-11

ESP-11 Front View
  • Chip interfaces
  • Ceramic antenna
  • Small volume.
ESP-11 Back View

ESP-12

  • Semi-hole patch process, all IO Leads, with metal shielding shell, passed FCE Certification, built PCB On board antenna, 4M byte Flash.

ESP-12E

ESP-12E Front View
  • On the top of the ESP-12 leads to 6 feet and more
  • Greatly enhanced anti-jamming capability,
  • The main recommendation of this section!

ESP-12F

ESP-12S

  • ESP-12S Datasheet
  • Size: 24mm*16mm*3mm, Weight: 0.01kg.
  • 16pins count based On ESP8266 WiFi IC
  • Fully compatible with forecast version ESP-12E or ESP12F
  • FCC and CE & RHOS all passed
  • Improved antenna design
  • Better signal performance
  • Note: ESP-12S does not have an SPI pin at the bottom of the board

ESP-13

The 4-layer design, semi-hole chip technology, all IO leads, with metal shielding shell, the antenna redesigned, RF performance!

ESP-14

  • In ESP-12E prototype design,
  • Interior adds STM8S003F3P6, and by STM8S ESP8266 AT commands to control the module is a complete STM8S micro-controller can operate via WIFI STM8 micro-controller programming.

NodeMCU DEVKIT

  • ESP8266 NodeMCU Dev has an Ai-thinkers ESP8266 module on it
  • The module comes with the latest version of AT Firmware.
  • Make sure to refer to the image above to determine which pins are which On top it has a micro-USB socket, for connecting to the computer.
  • Next to it are two buttons, one for reset and one for flashing.

NodeMCU DevKit Pin Details

ESP8266 NodeMCU DEv Board Pin Details

The other pins are used internally by the board, and we will not be connecting anything to them.

Difference in Ai Thinker’s ESP8266 Boards

Difference Between ESP-01 Blue Board and ESP-01S Black Board

Memory Flash Size is differ

  • ESP-01 Blue Board – 500Kb
  • ESP-01S Black Board – 1Mb

Difference Between ESP-07 and ESP-07S?

  • PCB Layers
    • ESP-07S – 4 Layers of PCB
    • ESP-07 – 2 Layer of PCB
  • Flash Memory
    • ESP-07S – 4M
    • ESP-07 – 1M
  • IPEX Connector and Ceramic Antenna
    • ESP-07S – Only have IPEX Connector and not have ceramic antenna
    • ESP-07 – Have IPEX Connector and ceramic antenna
  • Certification
    • ESP-07S -Have FCC, CE, ROSH Certification
    • ESP-07 – 1M – Not have certification
  • Note :
    •  ESP-07S is upgraded from ESP-07.
    • Both are same pins

Difference Between ESP-12E and ESP12F?

  • Please refer to the antenna design in the below ESP-12E and ESP-12F images.
  • PCB Layers
    • ESP-12F – 4 Layers of PCB
    • ESP-12E – 2 Layer of PCB
  • Certification
    • ESP-12F -Have FCC, CE, ROSH Certification
    • ESP-12E – 1M – Not have certification
  • Note
    • ESP-12F is upgraded from ESP-12E.
    • Both are the same pins

Olimex ESP8266 Module

Olimex provides two different types of ESP8266-based boards.

The below list is common for both boards

  • Both boards of the Main chip are EPS8266 from ESPressif
  • 2MB (16MB) SPI Flash Memory
  • Power LED
  • User-programmable LED
  • SMT jumpers for different boot modes (FLASH, UART, SDO)
  • PCB antenna
  • OSHW design
  • Pads for a U.FL antenna connector (if you want to use an external antenna)

The below table about differences between Olimex MOD_WIFI-ESP8266 and DEV Boards

Differences between Olimex MOD_WIFI-ESP8266 and DEV Boards
Olimex MOD-WIFI-ESP8266
Olimex MOD-WIFI-ESP8266-DEV


Adafruit Huzzah ESP8266 Modules

Adafruits has two diffrent ESp8266 Boards “Adafruit Feather HUZZAH with ESP8266” and “Adafruit HUZZAH ESP8266 Breakout”. The Below list is common specs for both boards

  • Reset button
  • 9 x GPIO (3.3V logic), which can be used for I2C or SPI
  • 1 x Analog input (1.0V max)

Adafruit Feather HUZZAH with ESP8266

It’s along with Ai-Thinker’s boards

  • Measures 2.0″ x 0.9″ x 0.28″ (51mm x 23mm x 8mm) without headers soldered-in
  • Light as a (large?) feather – 9.7 grams
  • 3.3V regulator with 500mA peak current output
  • CP2104 USB-Serial converter onboard with 921600 max baud rate for speedy uploading
  • Auto-reset support for getting into bootloader mode.
  • Built-in 100mA LiPoly charger pin available. Charging Status indicator LED is available. This can cut a trace to disable the charger.
  • Pin #0 red LED for general purpose blinking.
  • Pin #2 blue LED for boot loading debug & general purpose blinking
  • Power/enable pin
  • 4 mounting holes

Adafruit HUZZAH ESP8266 Breakout

Its Just breakout board on top of the Ai-Thinker’s boards

  • 3.3V out, 500mA regulator (you need to assume the ESP8266 can draw up to 250mA.)
  • User button that can use the chip in bootloader mode,
  • Red LED you can blink
  • Level shifting on the UART and resetting the pin
  • Two diode-protected power inputs (USB cable and battery)
  • Two parallel, breadboard-friendly breakouts on either side give you access to: 2 x UART pins and 2 x 3-6V power inputs, reset, enable, LDO-disable, 3.3V output

SparkFun ESP8266 Boards

SparkFun ESP8266 Thing

  • All module pins breakout
  • On-board LiPo charger/power supply
  • 802.11 b/g/n
  • Wi-Fi Direct (P2P), soft-AP
  • Integrated TCP/IP protocol stack
  • Integrated TR switch, balun, LNA, power amplifier, and matching network
  • Integrated PLLs, regulators, DCXO, and power management units
  • Integrated low-power 32-bit CPU could be used as an application processor
  • +19.5dBm output power in 802.11b mode

SparkFun WiFi Shield – ESP8266

  • Arduino R3 Layout
  • 802.11 b/g/n
  • Wi-Fi Direct (P2P), soft-AP
  • Integrated TCP/IP protocol stack
  • Integrated TR switch, balun, LNA, power amplifier, and matching network
  • Integrated PLLs, regulators, DCXO, and power management units
  • Integrated low-power 32-bit CPU could be used as an application processor
  • +19.5dBm output power in 802.11b mode

Other ESP8266 Boards

KNEWRON Technologies smartWIF

  • Arduino-like hardware IO: The board allows you to code like Arduino in an interactive manner with Lua scripting language.
  • NodeJS style network API: The firmware provides event-driven API for network applications, which facilitates developers writing code running this tiny little board in NodeJS style. Greatly speed up your Wi-Fi / IOT application development process.
  • Reprogramming possibility: The IO button available on the kit also functions as a re-flashing button.
  • Multiple uses: serial to USB converter as well as 3.7V LiPo battery charger.

WeMos

These WeMos boards work with Arduino and NodeMCU firmware

WEMos D1 Mini

  • 11 digital IO, interrupt/PWM/I2C/one-wire supported(except D0)
  • 1 analog input(3.2V max input)
  • Type-C USB Port
  • LOLIN I2C Port
  • Compatible with MicroPython, Arduino, nodemcu

WEMos D1 mini Pro

  • 11 digital input/output pins
  • Interrupt/pwm/I2C/one-wire
  • 1 analog input(3.2V max input)
  • 16M bytes(128M bit) Flash
  • External antenna connector
  • Built-in PCB antenna
  • Lithium battery interface, 500mA Max charging current
  • LOLIN I2C Port
  • Compatible with Arduino, MicroPython, NodeMCU
  • Default firmware: latest MicroPython

WEMos D1 mini Lite

  • 11 digital IO, interrupt/pwm/I2C/one-wire supported(except D0)
  • 1 analog input(3.2V max input)
  • a Micro USB connection
  • 1M Bytes FLASH inside
  • Compatible with MicroPython, Arduino, nodemcu

Sweetpea ESP-210 Module

  • Flash 4MB
  • Total Pins 14
  • Programmable Pins 11


Wireless-Tag

WT8266-S1
WT8266-S1
WT8266-DK V2
WT8266-S2
WT8266-DK

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