DTWONDER Smart WiFi Switch ESP32 Ethernet Relay Board Domoticz Home Assistant openHAB RS485 TCP UDP 4 Channel Timer IP Watchdog

$41.39

Includes all taxes

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Description

Relay board function instruction as below, any questions, please contact us

1.ETH WIFI means support Ethernet and WIFI
2.ETH WIFI RS485 means support Ethernet, WIFI and RS485
3.ETH WIFI CAN means support Ethernet, WIFI and CAN bus
4.CASE means with DIN35 case

Specification

Parameter

DT-R002

DT-R004

DT-R008

DT-R016

DT-R032

Photo

Interface

Ethernet, WiFi, RS485(optional), CAN Bus(optional), Wiegand(optional)

Size(Relay Board)

87*68mm

91.6*86.4mm

122*87mm

250*107mm

370*107mm

Size(DIN35 Case)

90*90*40mm

115*90*40mm

145*90*40mm

252*123*43mm

373*123*43mm

Power Supply

12V/24VDC, 5V/24VAC

Power Adapter

12VDC/1.5A

12VDC/1.5A

12VDC/1.5A

12VDC/2A

12VDC/3A

Power Consumption

2W

3W

5W

9W

16W

Working Temperature

-20~75℃

Storage Temperature

-40~80℃

Protocol

MQTT/MQTTS, Modbus-RTU/TCP/ASCII/UDP, TCP, UDP, HTTP GET CGI, CoAP

Quantity Relays

2DO

4DO

8DO

16DO

32DO

Quantity Digital Input

2DI

4DI

8DI

16DI

32DI

Quantity Wiegand

1(optional)

1/2(optional)

0

1

1

RTC

NO

NO

NO

Optional

Optional

Home Automation

Domoticz, Home Assistant, openHAB, Red-Node

Function

Relay Task(Schedule), Input Status, Input Link Relay, Input Link URL, Input/Relay Alias(Name),
IP Watchdog, Transparent Transmission, NTP Client, Input Mutual Control, OTA Upgrade

Ethernet IP

192.168.1.100

Web User/PWD

admin/admin

WiFi AP IP

192.168.7.1

WiFi AP SSID/PWD

dtrelaySN/dtpassword

WiFi STA IP

192.168.1.97

Support Customized and develop by our company

User manual and programming manual SDK:
http://www.dingtian-tech.com/sdk/relay_sdk.zip

This is a finished board, not a study board. Our default version don’t support flash by yourself,
if you want to flash custom firmware, please leave a message ”send relay board with test firmwarewhen order

Note: Please keep your computer ip is the same NETWORK SEGMENT as our default ip 192.168.1.100

Setting



Relay Connect

Support protocol
Dingtian-String
Dingtian-Binary
Modbus-RTU., Modbus-ASCII, Modbus-TCP/UDP
CoAP
HTTP GET CGI(control relay, get input/relay status)
Input Mutual Control
MQTT(input/relay status change, report to your MQTT server auto)


Relay Task

Please sync the time on “setting” webpage firstly, you can config when relay ON and when relay OFF automatically


Input Link Relay

Input status change active relay ON/OFF, DELAY, JOGGING(PULSE),FLASH,TOGGLMOTOR
To config “Motor” to control motor (blind)


Input Link URL

Input status changes will active HTTP URL


Input Relay Alias

Rename input/relay to understand better


IP WatchDog

It can ping and reboot other device when network is OFF


Transparent Transmission

Repost data which is from your device through our relay board to your PC from UDP/TCP to RS485/CAN,vice versa


Upgrade

Upgrade new firmware by webpage


Support Domoticz /Home assistant (HA Discover)/openHAB



IP Finder to search device, support different network segment



Connection Diagram


Default firmware

Q: what is the ip address?
A: Ethernet ip: 192.168.1.100, user name and password both are admin
WIFI-AP SSID: dtrelaySN, PWD: dtpassword, IP:192.168.7.1

Q: Where can I find sdk and manual?
A: https://www.dingtian-tech.com/sdk/relay_sdk.zip

Q: How can I upgrade to latest firmware?
A: https://www.dingtian-tech.com/sdk/relay_upgrade_tool.zip
Please download and upgrade to latest firmware

Q: Why I cannot access the web through default ip?
A: Please keep your computer ip be the same network segment as our default ip
Default ip: 192.168.1.100, so your compute ip should be 192.168.1.x(x not 100)

Q: What can I do when computer ip is different network segment with your default ip?
A: Option 1: change your computer ip to 192.168.1.x, x means any numbers from 2~254
Option 2: Change our relay ip through our IP Finder tool to keep the same as your computer ip

Q: Can I connect a rfid keypad reader to it via wiegand
A: Our default firmware donot support, you can leave a message"send relay board with wiegand input firmware" when order

Q: Can you have separate input from the relay operation status
A: webpage “input link relay”->”input control relay” to “NO”

Test firmware

Q: Can I flash custom firmware?
A: please leave a message “send relay board with test firmware” when order”

https://github.com/dtlzp/relay_dev_demo
JL1101(compatiable with RTL8201F, only chip id is different)

https://github.com/dtlzp/relay_arduino_demo


Payment Policy

Payment Policy – BILLIONS BIRDS

At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.

1. Accepted Payment Methods

We accept the following payment options:

Major Credit & Debit Cards (Visa, MasterCard, American Express)

Secure Online Payment Gateways (such as PayPal, Stripe, or other providers available at checkout)

Any additional payment methods displayed during checkout

All payments must be completed in full at the time of purchase.

2. Secure Transactions

All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.

3. Currency

Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.

4. Order Confirmation

Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.

5. Failed or Declined Payments

If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.

6. Fraud Prevention

BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.


Delivery Policy

Delivery Policy – BILLIONS BIRDS

At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.

1. Order Processing

All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.

2. Shipping Times

Estimated delivery times vary depending on your location:

Domestic Shipping: 3–7 business days

International Shipping: 7–15 business days

Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.

3. Shipping Costs

Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.

4. Tracking Information

Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.

5. Delivery Issues

If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.

6. Incorrect Shipping Information

Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.


Refund Policy

Refund Policy – BILLIONS BIRDS

At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.

1. Return Eligibility

You may request a return within 14 days of receiving your order. To qualify for a return:

The item must be unused, unworn, and in the same condition as received.

The item must be in its original packaging.

Proof of purchase (order confirmation or receipt) is required.

Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.

2. Non-Refundable Items

The following items are non-refundable:

Final sale or discounted items

Gift cards

Items damaged due to misuse, negligence, or improper care

3. Return Process

To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.

Unless the item is defective or incorrect, customers are responsible for return shipping costs.

4. Refund Processing

Once we receive and inspect your returned item:

We will notify you of the approval or rejection of your refund.

If approved, the refund will be issued to your original payment method within 5–10 business days.

Please note that banks or payment providers may require additional time to process refunds.

5. Damaged or Incorrect Items

If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.

6. Late or Missing Refunds

If you have not received your refund:

Check your bank account again.

Contact your credit card company or payment provider.

If the issue persists, don't hesitate to contact our support team for assistance.

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