--- product_id: 146111131 title: "Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G" brand: "songhe" price: "€ 0.82" currency: EUR in_stock: false url: https://www.desertcart.hr/products/146111131-songhe-wifi-r3-esp8266-32mb-memory-usb-ttl-ch340g store_origin: HR region: Croatia --- # 32Mb Memory WiFi ESP8266 USB-TTL CH340G Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G **Brand:** songhe **Price:** € 0.82 **Availability:** ❌ Out of Stock ## Summary > 🚀 Elevate Your Projects with Cutting-Edge Connectivity! ## Quick Answers - **What is this?** Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G by songhe - **How much does it cost?** € 0.82 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/146111131-songhe-wifi-r3-esp8266-32mb-memory-usb-ttl-ch340g) ## Best For - songhe enthusiasts ## Why This Product - Trusted songhe brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Arduino Compatible:** Designed for seamless compatibility with Arduino hardware. - • **User-Friendly Design:** DIP switches simplify module connections for hassle-free setup. - • **Seamless Connectivity:** Experience effortless integration with WiFi and USB options. - • **Lightweight Innovation:** Weighing just 1.9 ounces, it's perfect for portable projects. - • **Versatile Functionality:** Utilize ATmega2560 and ESP8266 together or independently. ## Overview The Songhe Mega2560 + WiFi R3 combines the powerful ATmega2560 microcontroller with the versatile ESP8266 WiFi module, featuring 32Mb of memory and a user-friendly USB-TTL CH340G interface. Ideal for both novice and experienced developers, this board allows for seamless integration and connectivity, making it a must-have for any tech enthusiast. ## Description Buy Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G: Everything Else - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07THDDFSJ | | Brand | Songhe | | Connectivity Technology | USB, Wi-Fi | | Customer Reviews | 4.2 4.2 out of 5 stars (84) | | Manufacturer | Songhe | | Memory Storage Capacity | 32 MB | | Mfr Part Number | E27 | | Model Name | Mega2560 + WiFi R3 | | Model Number | Mega2560 + WiFi R3 | | Operating System | Linux | | Processor Brand | Espressif | | Processor Count | 4 | | RAM Memory Installed | 32 MB | | RAM Memory Technology | LPDDR2 | | UPC | 778862585996 | | Wireless Compability | Bluetooth | ## Product Details - **Brand:** Songhe - **Connectivity Technology:** USB, Wi-Fi - **Memory Storage Capacity:** 32 MB - **Model Name:** Mega2560 + WiFi R3 - **Ram Memory Installed Size:** 32 MB ## Images ![Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G - Image 1](https://m.media-amazon.com/images/I/71frCSU-W8L.jpg) ![Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G - Image 2](https://m.media-amazon.com/images/I/71muG-1IG1L.jpg) ![Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G - Image 3](https://m.media-amazon.com/images/I/71mdsCPCV5L.jpg) ![Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G - Image 4](https://m.media-amazon.com/images/I/71J4Ns8i0PL.jpg) ![Songhe WiFi R3 ESP8266 32Mb Memory USB-TTL CH340G - Image 5](https://m.media-amazon.com/images/I/81SYQj+aFzL.jpg) ## Questions & Answers **Q: What are proper switch settings? Can talk to mrga 2560 but cannot program esp8266** A: Description: Full integration on one board: Mega R3 ATmega2560 and WiFi ESP8266 with memory 32Mb. All of the modules can work together or each separately. And everyone has their own pinout headers. The convenient solution for the development of new projects requiring Uno and WiFi. Via USB you can update sketches and firmware for ATmega2560 and for ESP8266. For this on board have the USB-serial converter CH340G. Use this board is very simple. The board has DIP-switch, to connect the modules. For example, to: USB and ATmeg2560, USB and ESP8266, ATmega2560 and ESP8266. Table DIP- switch: Connection DIP 1 2 3 4 5 6 7 ATmega2560<->ESP8266 ON ON OFF OFF OFF OFF OFF USB <->ATmega2560 OFF OFF ON ON OFF OFF OFF USB<->ESP8266 (Update firmware or sketch) OFF OFF OFF OFF ON ON ON USB<->ESP8266 (communication) OFF OFF OFF OFF ON ON OFF All independent OFF OFF OFF OFF OFF OFF OFF Special Solution: USB <->ATmega328<-> ESP8266 DIP SWITH 2 Connection 1 2 3 4 5 6 7 USB <-> ATmega2560<-> ESP8266 ON ON ON ON OFF OFF OFF To RXD3/TXD3USB converter CH340G connect to RX0/TX0 of ATmega2560 ESP8266 connect to RX3/TX3 of ATmega25 **Q: Is it possible to purchase these boards without the headers soldered on?** A: all is the finished **Q: What type of external antenna connector is used on this board?** A: buy 2.4G wifi ipex antenna **Q: do you have to modify the board, i.e remove a resistor to get the external antenna to work? Because just connecting one doesn't make a difference.** A: You just have to connect the antenna. At best you get a 6 dB improvement, most of the time less. So it is difficult to see the difference. --- ## 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.hr/products/146111131-songhe-wifi-r3-esp8266-32mb-memory-usb-ttl-ch340g](https://www.desertcart.hr/products/146111131-songhe-wifi-r3-esp8266-32mb-memory-usb-ttl-ch340g) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-24*