--- product_id: 52963944 title: "ESP8266 ESP-12 Serial Wi-Fi Industrial Stable Version A Full Test Board Full IO Leads Compatible with Arduino Raspberry Pi DIY Etc" brand: "hengjiaan" price: "€ 46.30" currency: EUR in_stock: true url: https://www.desertcart.be/products/52963944-esp8266-esp-12-serial-wi-fi-industrial-stable-version-full store_origin: BE region: Belgium --- # ESP8266 ESP-12 Serial Wi-Fi Industrial Stable Version A Full Test Board Full IO Leads Compatible with Arduino Raspberry Pi DIY Etc **Brand:** hengjiaan **Price:** € 46.30 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** ESP8266 ESP-12 Serial Wi-Fi Industrial Stable Version A Full Test Board Full IO Leads Compatible with Arduino Raspberry Pi DIY Etc by hengjiaan - **How much does it cost?** € 46.30 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/52963944-esp8266-esp-12-serial-wi-fi-industrial-stable-version-full) ## Best For - hengjiaan enthusiasts ## Why This Product - Trusted hengjiaan brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Specification: 1 mobile client installed on the phone IOT.APK Apple released later 2 module ends with ESP8266FLASHER download software to update the firmware to the module 3 Replace the battery, mobile search to a network router AI-THINKER 4 join the router (the router module form) password is: ai-thinker 5 can use the phone after adding the success of the direct control module. After the above steps: 1 control module with the phone directly AP, then control the dimming switch IO 2 basis or on a further step to enter the configuration menu, enter the home network 3 Once the module links on the home network, the module will automatically mount servers The above step 1 can be without any router, the phone directly control module Step 2 WIFI control module can use the phone at home Step 3 Once the module is mounted to the server, the phone can be anywhere 2G 3G 4G network with traffic control. Function Description: 1 full IO port leads directly to support AT and internal product development ESP8266 2 shielded case, raise a level of stability 3 supports 3-way PWM 6 AD and all the way along the road IO speed UART 4 firmware upgrade, available client (phone or PC) to directly control PWM IO or without external MCU UART 5 test panels can be used to upgrade The test board uses: 1 test of the stability of ESP-12. 2 as a low-cost minimum system for learning, AT commands can be developed or SDK download Download Link http://pan.baidu.com/s/1qXyQExm Packing List: 1 x ESP8266 Wi-Fi Board 1 x Battery case (3 x AA batteries, without battery) ## Features - full IO port leads directly to support AT and internal product development ESP8266 shielded case, raise a level of stability. supports 3-way PWM 6 AD and all the way along the road IO speed UART firmware upgrade, available client (phone or PC) to directly control PWM IO or without external MCU UART test panels can be used to upgrade ## Images ![ESP8266 ESP-12 Serial Wi-Fi Industrial Stable Version A Full Test Board Full IO Leads Compatible with Arduino Raspberry Pi DIY Etc - Image 1](https://m.media-amazon.com/images/I/61MWQ-CzoiL.jpg) ![ESP8266 ESP-12 Serial Wi-Fi Industrial Stable Version A Full Test Board Full IO Leads Compatible with Arduino Raspberry Pi DIY Etc - Image 2](https://m.media-amazon.com/images/I/61Du+btHQvL.jpg) ![ESP8266 ESP-12 Serial Wi-Fi Industrial Stable Version A Full Test Board Full IO Leads Compatible with Arduino Raspberry Pi DIY Etc - Image 3](https://m.media-amazon.com/images/I/61Du+btHQvL.jpg) ![ESP8266 ESP-12 Serial Wi-Fi Industrial Stable Version A Full Test Board Full IO Leads Compatible with Arduino Raspberry Pi DIY Etc - Image 4](https://m.media-amazon.com/images/I/71-gzEq7i+L.jpg) --- ## 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.be/products/52963944-esp8266-esp-12-serial-wi-fi-industrial-stable-version-full](https://www.desertcart.be/products/52963944-esp8266-esp-12-serial-wi-fi-industrial-stable-version-full) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-04-22*