--- product_id: 68237370 title: "DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield" brand: "dollatek" price: "C$1230" currency: NIO in_stock: true reviews_count: 11 category: "Dolla Tek" url: https://www.desertcart.ni/products/68237370-dollatek-esp-12e-esp8266-uart-wifi-wireless-shield store_origin: NI region: Nicaragua --- # 3.3V power supply Enhanced PCB antenna Standard pin interface DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield **Brand:** dollatek **Price:** C$1230 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate Your Projects with WiFi Power! ## Quick Answers - **What is this?** DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield by dollatek - **How much does it cost?** C$1230 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/68237370-dollatek-esp-12e-esp8266-uart-wifi-wireless-shield) ## 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 - • **Precision Power Supply:** Utilizes a 3.3V power supply for accurate performance. - • **Seamless Compatibility:** Easily integrates with Arduino Uno, Mega, and more. - • **Enhanced Signal Strength:** Features an advanced PCB antenna for superior range. - • **Developer-Friendly Design:** Includes power supply/service interface for easy maintenance. - • **Industrial-Grade Performance:** Onboard ESP8266-12 ensures stable WiFi connectivity. ## Overview The DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield is designed for seamless integration with standard Arduino boards, providing a reliable and powerful WiFi solution. With its industrial-grade ESP8266-12 module and enhanced PCB antenna, this shield ensures superior connectivity and performance for your IoT projects. ## 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 Review: Verpackung defekt - Das Shield ist Ok Review: Avoid doesn’t work. - Has incorrect transistors fitted rendering the whole board useless. Known fault with some of these cloned boards. ## Technical Specifications | Specification | Value | |---------------|-------| | 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 | | Operating system | Linux | ## Product Details - **Brand:** DollaTek - **Model name:** ESP-12E - **CPU model:** Efficeon - **Connectivity technology:** Wi-Fi - **Included components:** DollaTek ESP8266 ESP-12E UART Wireless Wifi TTL Converter for Arduino UNO R3 Mega ## Images ![DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield - Image 1](https://m.media-amazon.com/images/I/61dgG2JgjhL.jpg) ![DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield - Image 2](https://m.media-amazon.com/images/I/61Y3a2q58uL.jpg) ![DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield - Image 3](https://m.media-amazon.com/images/I/6152m+Z8SEL.jpg) ![DollaTek ESP-12E ESP8266 UART WIFI Wireless Shield - Image 4](https://m.media-amazon.com/images/I/61aQPctLAvL.jpg) ## Customer Reviews ### ⭐⭐⭐ Verpackung defekt *by O***N on 1 December 2025* Das Shield ist Ok ### ⭐ Avoid doesn’t work. *by A***R on 11 August 2025* Has incorrect transistors fitted rendering the whole board useless. Known fault with some of these cloned boards. ### ⭐⭐ Needs modifications *by J***) on 6 June 2021* This board requires modification before it will function as intended. Found info on this on “instructables”. Requires the use of soldering iron to replace 2 SMD transistors. Better options are available. ## 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.ni/products/68237370-dollatek-esp-12e-esp8266-uart-wifi-wireless-shield](https://www.desertcart.ni/products/68237370-dollatek-esp-12e-esp8266-uart-wifi-wireless-shield) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-07-09*