--- product_id: 455179206 title: "ESP-12E ESP8266 UART Wireless WiFi Shield for Arduino UNO R3" brand: "dollatek" price: "€ 36.26" currency: EUR in_stock: true category: "Dolla Tek" url: https://www.desertcart.it/products/455179206-esp-12e-esp8266-uart-wireless-wifi-shield-for-arduino-uno store_origin: IT region: Italy --- # Onboard 4 status LEDs 802.11n WiFi tech 3.3V power supply with level converter ESP-12E ESP8266 UART Wireless WiFi Shield for Arduino UNO R3 **Brand:** dollatek **Price:** € 36.26 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your Arduino projects with rock-solid WiFi power! ## Quick Answers - **What is this?** ESP-12E ESP8266 UART Wireless WiFi Shield for Arduino UNO R3 by dollatek - **How much does it cost?** € 36.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/455179206-esp-12e-esp8266-uart-wireless-wifi-shield-for-arduino-uno) ## Best For - dollatek enthusiasts ## Why This Product - Trusted dollatek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Power Management:** Built-in 5V to 3.3V TTL level converter protects your WiFi module from voltage damage, ensuring longevity. - • **Developer-Friendly Design:** Stackable shield design lets you effortlessly expand your project with additional modules. - • **Real-Time Status Monitoring:** Four onboard LEDs keep you instantly informed of power, firmware update, access point, and station status. - • **Seamless Arduino Compatibility:** Standard pin interface ensures plug-and-play with Arduino Uno and Mega, no hassle integration. - • **Industrial-Grade WiFi Stability:** ESP8266-12E module with metal shielding and upgraded PCB antenna delivers robust, interference-resistant connectivity. ## Overview The DollaTek ESP-12E ESP8266 UART Wireless WiFi Shield is a stackable, industrial-grade WiFi module designed for Arduino Uno and Mega. Featuring a stable ESP8266-12E chip with metal shielding, upgraded PCB antenna, and built-in 5V to 3.3V level conversion, it ensures reliable wireless connectivity and protection. Four onboard LEDs provide real-time status updates, making it an essential tool for developers seeking seamless IoT integration and robust performance. ## Description DollaTek Trademark Reg.NO:013726393. Description: You can quickly switch the DIP switch ESP8266-12 industrial level WiFi stable operating mode (such as operation mode and upgrade mode) module, built-in serial chip, quickly flashing firmware. Built-in 5V to 3.3V TTL level converter to prevent high pressure Arduino TTL level of WiFi module damage. Onboard ESP8266-12 industrial class stable WiFi module with a metal shield, immunity to interference. UPS ESP8266-12 standard height leads to a stable industrial module of WiFi category all interfaces, allowing developers to easily develop deep. Use stackable design, it can keep accumulating above other modules, easy to use. Onboard four LEDs displays the status of ESP8266, namely PWR, DFU, AP, STA Package includes: 1 x DollaTek ESP8266 ESP-12E UART Wireless Wifi TTL Converter for Arduino UNO R3 Mega ## Features - Standard pin interface to achieve full compatibility with Arduino Uno, Mega pitch and so on. (Unless standard size arduino, such as Nano, Mini) - 3.3V power supply using advanced chip (with the official CC3000 power extension board chip even), so 3.3V Arduino board provided more accurate, so ESP8266 like cc3000 officially works as normal, there is no deviation. - It leads to a WiFi module/service interface power supply to facilitate developers to extend power and maintenance. - Onboard ESP8266-12 industrial class stable WiFi module in series, using upgraded PCB antenna, signal better. - 0 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DJ4M8WC | | Best Sellers Rank | #119,151 in Computers ( See Top 100 in Computers ) #1,924 in Single-Board Computers | | Brand | DollaTek | | Built-In Media | DollaTek ESP8266 ESP-12E UART Wireless Wifi TTL Converter for Arduino UNO R3 Mega | | CPU Model | Efficeon | | Compatible Devices | Arduino Uno R3 | | Connectivity Technology | Wi-Fi | | Customer Reviews | 3.5 3.5 out of 5 stars (77) | | Manufacturer | DollaTek | | Model Name | ESP-12E | | Operating System | Linux | | Processor Brand | Espressif | | Processor Count | 1 | | RAM Memory Technology | DDR2 | | UPC | 742548983260 | | Unit Count | 1.0 Count | | Wireless Compability | 802.11n | ## Product Details - **Brand:** DollaTek - **CPU model:** Efficeon - **Connectivity technology:** Wi-Fi - **Included components:** DollaTek ESP8266 ESP-12E UART Wireless Wifi TTL Converter for Arduino UNO R3 Mega - **Model name:** ESP-12E ## Images ![ESP-12E ESP8266 UART Wireless WiFi Shield for Arduino UNO R3 - Image 1](https://m.media-amazon.com/images/I/61dgG2JgjhL.jpg) ## Frequently Bought Together - DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield - diymore L298P Shield Expansion Board DC Motor Driver Module 2A H-Bridge 2 way - ELEGOO MEGA R3 Board ATmega 2560 + USB Cable Compatible with Arduino IDE Projects RoHS Compliant --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/455179206-esp-12e-esp8266-uart-wireless-wifi-shield-for-arduino-uno](https://www.desertcart.it/products/455179206-esp-12e-esp8266-uart-wireless-wifi-shield-for-arduino-uno) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-10-23*