--- product_id: 49324515 title: "DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module" brand: "diynik" price: "0 zΕ‚" currency: PLN in_stock: false url: https://www.desertcart.pl/products/49324515-diynik-4-channel-relay-wifi-bluetooth-with-esp32s-module store_origin: PL region: Poland --- # 4 Channel Control Wi-Fi & BLE Connectivity ESP32S Module DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module **Brand:** diynik **Price:** 0 zΕ‚ **Availability:** ❌ Out of Stock ## Summary > πŸ”Œ Power Up Your Projects with DIYnik! ## Quick Answers - **What is this?** DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module by diynik - **How much does it cost?** 0 zΕ‚ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/49324515-diynik-4-channel-relay-wifi-bluetooth-with-esp32s-module) ## Best For - diynik enthusiasts ## Why This Product - Trusted diynik brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Easy Integration:** Utilize a simple GET statement for seamless application integration. - β€’ **Individual Control:** Switch each of the 4 relays independently for ultimate flexibility. - β€’ **Concurrent Operation:** Simultaneously use Bluetooth and Wi-Fi for maximum efficiency. - β€’ **Seamless Connectivity:** Control your relays via Wi-Fi or Bluetooth effortlessly. - β€’ **User-Friendly Interface:** Access relay states through a JSON interface for straightforward management. ## Overview The DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module offers versatile control over four relays, allowing for individual operation via both Wi-Fi and Bluetooth. With easy integration through a simple GET statement and a user-friendly JSON interface, this module is perfect for tech-savvy professionals looking to enhance their automation projects. ## Description DIYmall 4 Channel Relay Wifi Bluetooth with ESP32S Module Description: Input: 6V 0.750A Relay capacity (per relay): 250Vac/10A, 125Vac/10A, 30VDC/10A Relays: 4 independently controlled via ESP32 Interface: Bluetooth and Wi-Fi Wifi connection, the wifi name is TEST, password is 123456789 IOS APP: The "DIYMall Relay Control" app in the App Store and Play Store are able to control the relays both over Wi-Fi and Bluetooth Android APP: https://play.google.com/store/apps/details?id=me.stratux.relaycontrol Requires Android : 4.1 and up Questions and Answers 1. Does this module include a web server? Yes， simple HTTP GET requests to 1) turn on/off module, 2) get states of relays in JSON format 2. Can the module be controlled by a browser on a PC (Firefox / Windows)? Yes. http://192.168.1.1/h1 (activate relay 1), http://192.168.1.1/l1 (deactivate relay 1), http://192.168.1.1/j (JSON format, information on all relay states) 3. Can the module operate in client state, and connect to my existing AP, so I can control it over my existing LAN? AP only, but can send the firmware to the user to modify easily to add to client state if the user is advanced (just need usb-to-serial). Requires firmware change. 4. And then, using port forwarding, can I control if over WAN? If you do the above firmware change and you set up the relay client as the DMZ, yes ## Features - The relays can be switched on and off individually via BLE or Wi-Fi connection. - Relays: 4 independently controlled via ESP32 Document link: https://drive.google.com/file/d/0B2AwnL6Y023ZeTY2OWVlMWloN2M/view?usp=sharing - Over Wi-Fi, the relay states can be controlled with a simple GET statement for easy integration with your applications - The Wi-Fi webserver provides a JSON interface for relay states. A Bluetooth GATT server is created and can be used concurrently with the Wi-Fi access point. - Document link goo.gl/mDXKBb ## Images ![DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module - Image 1](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/619fJHxhKPL.jpg) ![DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module - Image 2](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71gzD53U5LL.jpg) ![DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module - Image 3](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/6179UD9xfkL.jpg) ![DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module - Image 4](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61na2cg9e-L.jpg) ![DIYnik 4 Channel Relay Wifi Bluetooth with ESP32S Module - Image 5](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41KY9UWVoRL.jpg) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/49324515-diynik-4-channel-relay-wifi-bluetooth-with-esp32s-module](https://www.desertcart.pl/products/49324515-diynik-4-channel-relay-wifi-bluetooth-with-esp32s-module) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-24*