Direct purchase from the factory 
![[US DIRECT] ATOMSTACK A5 M50 APP Control Dual-Laser Laser Engraving Cutting Machine Laser Engraver Cutter 5.5W Output Power Fixed-Focus 304 Mirror Stainless Steel Engraving DIY Laser Marking for Metal Wood Leather Vinyl](https://static.roymall.com/d/file/mall/titlepic/235/67803406-41f3-499a-afb7-154990584ff8.jpg?x-oss-process=image/resize,w_237/quality,Q_80/format,webp)
![[EU/US Direct]Raiser for LONGER RAY5 Engraver](https://static.roymall.com/d/file/mall/bigpic/235/65e9b76d-574a-4b4b-9c6c-02db18b89460.jpg?x-oss-process=image/resize,w_237/quality,Q_80/format,webp)
![[US/UK Direct] Refurbished ULTIMEA Nova S70 3.1.2 Soundbar 390W True Dolby Atmos Soundbar BassMax 4K Dolby Vision HDR Passthrough 3EQ Modes Wired Speaker Subwoofer](https://static.roymall.com/d/file/mall/titlepic/235/e1440062-c78c-4565-8aa7-f8857d749771.jpg?x-oss-process=image/resize,w_237/quality,Q_80/format,webp)
1.You can contact the customer service. for any question regarding the product.
2.Ask the question in English to get answer faster.
3.Keep your question short and to the point.
Questions:0/2000
LC DC7-28/5V Power Supply ESP32 WiFi bluetooth Four-way 30A Relay Module ESP32 Development Board
144
Shipping to: United States |
Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
Guaranteed Safe Checkout
Free Gift
Shipping Policy
Return PolicyFree Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +447549870296
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +447549870296
Description:
The LC ESP32_Relay_30A_X4 4-channel 30A relay development board is based on Espressif"s ESP32-wROOM-32E module.The I/0 port is fully drawn out, and DC7-28v/5V power supply mode is supported. On-board programmable buttons,LEDs,and relays facilitate rapid prototyping and development, and bring more possibilities to ioT control scenarios.
LC provides Espressif System SDK ESP-IDF code. After the program isburned,youcandirectlycontrol theonboardLEDs and relays with your mobile phone,and have functions such as WiFi network configuration and factory reset.
Specification:
Brand: LC
Model: ESP32_Relay_30A_X4
Board Size: 122.5mm x 87mm
Weight: 158g
Locating Hole Diameter: 3mm
Power Supply: DC7-28V/5V
Relay Specifications: 4 channels, 5V/30A output
Working Voltage: AC 250V/DC 30V
Features:
1. Integrated ESP32-WROOM-32E Module with 4MB flash memory for efficient IoT applications.
2. Wireless Connectivity Options: WiFi and bluetooth supported for seamless communication.
3. Programmable Functions: Includes buttons, LEDs, and reset functionality to facilitate development tasks.
4. Wide Compatibility: Supports ArduinoIDE, VSCode, Tonny, and ESP-IDF SDK for code development flexibility.
5. Precise Relay Control: Allows switching of loads via GPIO pins with programmable options.
Package Includes:
1x ESP32 quad 30A relay module
2x 6P double row pins
1x 6P single row pin
Products related to this item
Loading related products...
❮
❯
Videos for similar product
Loading product videos...
❮
❯
Electronics Ranking
Customer Reviews
- All Reviews (0)
- Image ( 0 )
- Video (0)
Sort by:
Reviews only from your country (United States)
|
Show Original
A part of the review has been auto-translated.
Customer Q&As
Searching for relevant results...
Can't find your answer?
Ask a new questionorCustomer Service
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
showing 1-0 of 0
|
Show Original
A part of the QA has been auto-translated.
