WeMos d1 mini Pro 16MB ESP8266 WiFi IoT development board compatible Arduino IDE

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WeMos d1 mini Pro 16MB ESP8266 WiFi IoT development board compatible Arduino IDE

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The WeMos d1 mini Pro is an improved version of the WeMos d1 mini developed by the Chinese company Wemos.cc. It is built around the Espressive SoC ESP-8266EX. Compared to her little sister, she brings three improvements. First, it is equipped with 16MB of flash memory instead of 4MB. The WiFi antenna engraved on the PCB has been replaced by a ceramic antenna of better quality. Finally, an IPEX connector can be used to add an external WiFi antenna. It is possible, for example, to increase reception when the network coverage is poor. An extension for an external antenna can also be used. Convenient if the Wemos Pro is installed in a metal cabinet that cages faraday or blocks the WiFi signal.

External WiFi antenna with IPEX connector wemos d1 mini pro

External WiFi antenna with IPEX connector

Like all development cards based on ESP8266, it is very easy to program it using the IDE Arduino or PlatformIO. It is supported natively by the Espressif SDK. All Shields developed for the WeMos d1 mini are compatible. We regret, however, the lack of support for extended memory (16MB) by the Espressif SDK at the moment.

Technical characteristics

  • SoC: Espressive ESP-8266EX
  • WiFi 802.11 b/g/n, ceramic antenna + IPEX connector for external antenna
  • Operating Voltage: 3.3V
  • I/O Pins: 11
  • Analog input: x1, max. Permissible voltage 3.2V
  • UART: x1
  • CPU Frequency: 80 MHz / 160 MHz
  • Flash Memory: 16MB (128MBit)
  • Micro USB port for programming and focusing
  • Serial to USB converter CP2104. Drivers are available on this page for Windows (XP, 7, 8, 10, CE, 2000), Linux, Android and MacOS
  • Power supply 5V
  • Micro USB port
  • A reset button that resets the SoC and the 3.3V and GND pins
  • Dimensions: 34.2 x 25.6mm

Pinout

The pins remain identical to the previous generation.

Pin on boardFunctionESP-8266
TXTXDTXD
RXRXDRXD
A0Analog input, max 3.3V inputA0
D0IOGPIO16
D1IO, SCLGPIO5
D2IO, SDAGPIO4
D3IO, 10k Pull-upGPIO0
D4IO, 10k Pull-up, BUILTIN_LEDGPIO2
D5IO, SCKGPIO14
D6IO, MISOGPIO12
D7IO, MOSIGPIO13
D8IO, 10k Pull-down, SSGPIO15
GGNDGND
5V5V
3V33.3V3.3V
RSTResetRST

WeMos d1 mini Deals

Expansion boards (Shields) for WeMos d1 mini Pro

All shields developed for the WeMos d1 mini are compatible with the Pro

The shields are stacked on top of the WeMos d1 mini. To facilitate the development and mounting, there is also a double base

wemos d1 mini dual base

and a triple base

wemos d1 mini base triple

History of the best deals on Amazon

WEMOS D1 Mini Pro 16M Bytes External Antenna Connector ESP8266 WIFI IoT Board, diymore

Price: $8.88
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Current Price $8.883 August 2020
Highest Price$8.8811 April 2020
Lowest Price$8.8811 April 2020
Since 11 April 2020

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$8.8811 April 2020

DIY tutorials and projects based on Wemos d1 mini or Pro

All tutorials and projects developed for the WeMos d1 mini can be used on the Pro version. You can start by reading this tutorial if you start programming ESP8266 modules with Arduino code. If you have never programmed, you can install the ESP Easy firmware and make your temperature probes, make displays, order your roller shutters … without programming. Follow this comprehensive guide to install ESP Easy on the WeMos d1 mini and trade your first projects.

To continue, here are all DIY tutorials and projects developed using the WeMos d1 mini:

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Specification: WeMos d1 mini Pro 16MB ESP8266 WiFi IoT development board compatible Arduino IDE

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Price history for WEMOS D1 Mini Pro CP2104 16M Bytes External Antenna Connector ESP8266 WIFI IoT
Latest updates:
  • $3.79 - 24 July 2020
  • $4.63 - 25 April 2020
Since: 25 April 2020
  • Highest Price: $4.63 - 25 April 2020
  • Lowest Price: $3.79 - 24 July 2020
Last Amazon price update was: 3 August 2020 3 h 02 min
× Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com (Amazon.in, Amazon.co.uk, Amazon.de, etc) at the time of purchase will apply to the purchase of this product.

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