Arduino

Arduino ESP8266 ESP-12E UART WIFI Wireless Shield for Arduino

The ESP8266 brand offers the ESP-12E UART WIFI Wireless Shield, an important tool for your Arduino projects. This shield is among the peripherals that can expand the capabilities of your projects.

  • ...

The ESP8266 brand offers the ESP-12E UART WIFI Wireless Shield, an important tool for your Arduino projects. This shield is among the peripherals that can expand the capabilities of your projects.

  • The product is a Shield that combines simplicity and efficiency, allowing you to easily integrate WIFI technology into your projects.

With its integration,...

See full description See full description

Learn more about invoicing

Description

Description

The ESP8266 brand offers the ESP-12E UART WIFI Wireless Shield, an important tool for your Arduino projects. This shield is among the peripherals that can expand the capabilities of your projects.

  • The product is a Shield that combines simplicity and efficiency, allowing you to easily integrate WIFI technology into your projects.

With its integration, connectivity and communication capabilities with the internet are enhanced, making it ideal for IoT applications and smart projects.

Manufacturer

See full description

Specifications

Specifications

Type
Shield
Board Model
-
Chipset
ESP8266

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (3)

Reviews

  1. 5 stars
    0
  2. 4 stars
    0
  3. 3 stars
    0
  4. 1
  5. 2
Review this product
  • Unfortunately, my experience with this particular Wi-Fi shield was quite problematic.

    I bought it for use with an **Arduino Mega 2560** in a custom project that communicates continuously via Wi-Fi/TCP with a server. With the shield’s factory operating mode, using the DIP switches and UART provided by the board, I had constant problems: disconnections, unstable communication, and generally unreliable behavior.

    After several hours of testing, the only solution that proved truly stable was to essentially bypass the shield’s normal operating mode and use the ESP8266’s **Debug Port** directly:

    * ESP TXD → Mega RX1 / pin 19
    * Mega TX1 / pin 18 → ESP RXD
    * 5V → 3.3V voltage divider on the Mega TX → ESP RX line
    * common GND
    * DIP 1–4 OFF
    * `Serial1` at 115200 baud

    With this modification, the shield finally works very well and stably.

    It also needs a very good power supply. With a marginal or noisy supply, I saw Wi-Fi disconnections and strange behavior. With clean and stable 5V, operation improved significantly.

    So I am not giving **2 stars** because the ESP8266 is bad or because it cannot work. On the contrary: once the factory connection method is bypassed, it works very well.

    The problem is that a product sold as a ready-to-use Wi-Fi shield should not require soldering to the Debug Port, external level shifting, and several hours of debugging to become reliable.

    **Pros**

    * low price
    * ESP8266 ESP-12E
    * after modification it can become very stable
    * useful for demanding custom projects

    **Cons**

    * the factory UART/DIP method did not work reliably for me
    * not truly plug-and-play
    * required permanent modification and soldering
    * requires attention to power supply and 3.3V logic
    * a lot of debugging time for something that should normally just work

    If someone has already bought it and is facing the same problems, I recommend trying the **Debug Port with the Mega’s hardware Serial** directly.

    As a board for experimentation, it has value. As a ready-made shield that you expect to plug in and work properly, my experience was disappointing.

    Translated from Greek ·
    Did you find this review helpful?
  • alex_r_6851
    1
    1 out of 1 members found this review helpful

    Verified purchase

    What I received was defective, nothing worked. Check it out

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    It does not connect to anything. Money wasted

    Translated from Greek ·
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • Unfortunately, my experience with this particular Wi-Fi shield was quite problematic.

    I bought it for use with an **Arduino Mega 2560** in a custom project that communicates continuously via Wi-Fi/TCP with a server. With the shield’s factory operating mode, using the DIP switches and UART provided by the board, I had constant problems: disconnections, unstable communication, and generally unreliable behavior.

    After several hours of testing, the only solution that proved truly stable was to essentially bypass the shield’s normal operating mode and use the ESP8266’s **Debug Port** directly:

    * ESP TXD → Mega RX1 / pin 19
    * Mega TX1 / pin 18 → ESP RXD
    * 5V → 3.3V voltage divider on the Mega TX → ESP RX line
    * common GND
    * DIP 1–4 OFF
    * `Serial1` at 115200 baud

    With this modification, the shield finally works very well and stably.

    It also needs a very good power supply. With a marginal or noisy supply, I saw Wi-Fi disconnections and strange behavior. With clean and stable 5V, operation improved significantly.

    So I am not giving **2 stars** because the ESP8266 is bad or because it cannot work. On the contrary: once the factory connection method is bypassed, it works very well.

    The problem is that a product sold as a ready-to-use Wi-Fi shield should not require soldering to the Debug Port, external level shifting, and several hours of debugging to become reliable.

    **Pros**

    * low price
    * ESP8266 ESP-12E
    * after modification it can become very stable
    * useful for demanding custom projects

    **Cons**

    * the factory UART/DIP method did not work reliably for me
    * not truly plug-and-play
    * required permanent modification and soldering
    * requires attention to power supply and 3.3V logic
    * a lot of debugging time for something that should normally just work

    If someone has already bought it and is facing the same problems, I recommend trying the **Debug Port with the Mega’s hardware Serial** directly.

    As a board for experimentation, it has value. As a ready-made shield that you expect to plug in and work properly, my experience was disappointing.

    Translated from Greek ·
    0
  • What I received was defective, nothing worked. Check it out

    Translated from Greek ·
    1
  • It does not connect to anything. Money wasted

    Translated from Greek ·
    0
  • See all

Description & Specifications

The ESP8266 brand offers the ESP-12E UART WIFI Wireless Shield, an important tool for your Arduino projects. This shield is among the peripherals that can expand the capabilities of your projects.

  • The product is a Shield that combines simplicity and efficiency, allowing you to easily integrate WIFI technology into your projects.

With its integration, connectivity and communication capabilities with the internet are enhanced, making it ideal for IoT applications and smart projects.

Manufacturer

Type
Shield
Board Model
-
Chipset
ESP8266

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (3)

  1. 5 stars
    0
  2. 4 stars
    0
  3. 3 stars
    0
  4. 1
  5. 2
Review this product
  • Unfortunately, my experience with this particular Wi-Fi shield was quite problematic.

    I bought it for use with an **Arduino Mega 2560** in a custom project that communicates continuously via Wi-Fi/TCP with a server. With the shield’s factory operating mode, using the DIP switches and UART provided by the board, I had constant problems: disconnections, unstable communication, and generally unreliable behavior.

    After several hours of testing, the only solution that proved truly stable was to essentially bypass the shield’s normal operating mode and use the ESP8266’s **Debug Port** directly:

    * ESP TXD → Mega RX1 / pin 19
    * Mega TX1 / pin 18 → ESP RXD
    * 5V → 3.3V voltage divider on the Mega TX → ESP RX line
    * common GND
    * DIP 1–4 OFF
    * `Serial1` at 115200 baud

    With this modification, the shield finally works very well and stably.

    It also needs a very good power supply. With a marginal or noisy supply, I saw Wi-Fi disconnections and strange behavior. With clean and stable 5V, operation improved significantly.

    So I am not giving **2 stars** because the ESP8266 is bad or because it cannot work. On the contrary: once the factory connection method is bypassed, it works very well.

    The problem is that a product sold as a ready-to-use Wi-Fi shield should not require soldering to the Debug Port, external level shifting, and several hours of debugging to become reliable.

    **Pros**

    * low price
    * ESP8266 ESP-12E
    * after modification it can become very stable
    * useful for demanding custom projects

    **Cons**

    * the factory UART/DIP method did not work reliably for me
    * not truly plug-and-play
    * required permanent modification and soldering
    * requires attention to power supply and 3.3V logic
    * a lot of debugging time for something that should normally just work

    If someone has already bought it and is facing the same problems, I recommend trying the **Debug Port with the Mega’s hardware Serial** directly.

    As a board for experimentation, it has value. As a ready-made shield that you expect to plug in and work properly, my experience was disappointing.

    Translated from Greek ·
    Did you find this review helpful?
  • alex_r_6851
    1
    1 out of 1 members found this review helpful

    Verified purchase

    What I received was defective, nothing worked. Check it out

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

    It does not connect to anything. Money wasted

    Translated from Greek ·
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • Unfortunately, my experience with this particular Wi-Fi shield was quite problematic.

    I bought it for use with an **Arduino Mega 2560** in a custom project that communicates continuously via Wi-Fi/TCP with a server. With the shield’s factory operating mode, using the DIP switches and UART provided by the board, I had constant problems: disconnections, unstable communication, and generally unreliable behavior.

    After several hours of testing, the only solution that proved truly stable was to essentially bypass the shield’s normal operating mode and use the ESP8266’s **Debug Port** directly:

    * ESP TXD → Mega RX1 / pin 19
    * Mega TX1 / pin 18 → ESP RXD
    * 5V → 3.3V voltage divider on the Mega TX → ESP RX line
    * common GND
    * DIP 1–4 OFF
    * `Serial1` at 115200 baud

    With this modification, the shield finally works very well and stably.

    It also needs a very good power supply. With a marginal or noisy supply, I saw Wi-Fi disconnections and strange behavior. With clean and stable 5V, operation improved significantly.

    So I am not giving **2 stars** because the ESP8266 is bad or because it cannot work. On the contrary: once the factory connection method is bypassed, it works very well.

    The problem is that a product sold as a ready-to-use Wi-Fi shield should not require soldering to the Debug Port, external level shifting, and several hours of debugging to become reliable.

    **Pros**

    * low price
    * ESP8266 ESP-12E
    * after modification it can become very stable
    * useful for demanding custom projects

    **Cons**

    * the factory UART/DIP method did not work reliably for me
    * not truly plug-and-play
    * required permanent modification and soldering
    * requires attention to power supply and 3.3V logic
    * a lot of debugging time for something that should normally just work

    If someone has already bought it and is facing the same problems, I recommend trying the **Debug Port with the Mega’s hardware Serial** directly.

    As a board for experimentation, it has value. As a ready-made shield that you expect to plug in and work properly, my experience was disappointing.

    Translated from Greek ·
    0
  • What I received was defective, nothing worked. Check it out

    Translated from Greek ·
    1
  • It does not connect to anything. Money wasted

    Translated from Greek ·
    0
  • See all
4,05 €
14,00 €   shipping cost