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Power Supply ESP32 16 Channel Relay Module Development Board ESP32-WROOM Secondary Development DC5V/12V/24V
106
Shipping to: United States |
Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
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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
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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
Specifications:
Voltage Type: 5V, 12V, 24V (optional)
Supply Voltage: 3.3-5V
Relay Channels: 16
Board Size: 165 * 90mm
Positioning Hole Diameter: 3mm
Weight: 244g
Features:
1. Onboard mature and stable ESP32-WROOM-32E module, large capacity 4M Byte Flash
2. ESP32 module I/O port and UART program download port are all drawn out to facilitate secondary development
3. The onboard DC-12V to 3.3V power supply circuit supports DC-12V
4. Onboard RST reset button and IO0 programmable button
5. ESP32 supports Arduinno IDE compilation tools and provides reference programs under Arduinno development environment
6. 16 on-board 5V relay, output switching signal, suitable for control of the control voltage of AC250V/DC30V within the load
Package Includes:
1 x Relay Module
2 x Pin
Note:
1. Due to the light and screen difference, the item"s color may be slightly different from the pictures.
2. Please allow 1mm-1cm differences due to manual measurement.
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