5V ESP8266 Single Channel Wi-Fi Relay Module Internet of Things Smart Home Mobile APP Remote Control Switch

Name: 5V ESP8266 Single Channel Wi-Fi Relay Module Internet of Things Smart Home Mobile APP Remote Control Switch
Brand: Generic
SKU: 1897812
Price: 15.99 USD
Availability: InStock

$15.99

Availability: In Stock

Shipping: Free Airmail

Estimated Delivery:

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Handling Time

Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

Shipping Methods

You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

Delivery Time

Airmail and Airmail Registered	Area	Estimated Delivery Time
	United States, Canada	7-25 business days
	Australia, New Zealand, Singapore, United Arab Emirates	10-25 business days
	United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland	10-25 business days
	Italy, Brazil, Russia, South Africa	10-45 business days
	Other countries	10-35 business days
Expedited Shipping	3-10 business days to Worldwide

Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

Returns & Refund

Last updated October 05, 2022

Returns

If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

Return Process

To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

Alex NLD
Attn: Returns
RMA #
HaGiborim St 8
Tiberias, 14388
Israel

Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

Refunds

After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

Exceptions

If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

Please provide us with following:

1. Photos of the front and back sides of the packaging box;
2. A photo, video or screenshot of the defective item or the defective part of the parcel.

Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

Warranty & Repair service

If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team and the problem is acknowledged, you can send the items back to us for a repair.

Note: Please be aware, we do not cover the cost of the returns fees in warranty & repair service.

Order Cancellation

If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

Questions

If you have any questions concerning our return policy, please contact us at:

+972 054-536-2888
sales@alexnld.com

Features:

1. On board esp8266 chip;
2. The module has two working modes
Mode 1: the mobile phone is directly mounted on the esp8266 chip;
Mode 2: the mobile phone and esp8266 chip are carried on the router at the same time;
3. Transmission distance:
(1) In the open environment, when the mobile phone is mounted on the esp8266 chip, the maximum stable transmission distance is 100m;
(2) When esp8266 chip and mobile phone are carried on the router at the same time, the transmission distance depends on the signal strength of the router.
4. The account and password of esp8266 chip can be configured on the mobile app with smart config technology. The configured account and password have the power-off memory function;
5. On board 5V, 10A / 250V AC, 10A / 30V DC relay, which can pull in 100000 times continuously, with diode leakage protection and short response time;
6. On board mode selection indicator;
7. The program download interface of esp8266 chip is reserved.

8. Board size: 44.8 x 41.7mm

9. Weight: 16g

Note:

(1) When the mobile phone is mounted on the WiFi module, the maximum stable transmission distance is 100m.

(2) When WiFi module and mobile phone are carried on the router at the same time, the transmission distance depends on the signal strength of the router.

(3) At present, the module only supports Android system.

Board function description:

Ln +, in -: 5V power input;
5V, TX, Rx, GND, lO0: program download interface; Key S1: short press mode switch, long press 2s to clear password key S2: reset key
Led D4 and D5 (red light): the relay working indicator is on
Led D2 (red light): power indicator

Led D1 (green light): mode indicator, described as follows: (1) mode 1 when off;

(2) When 1s flashes once, it means waiting for mobile app to configure WiFi account and password for ESP 8266 module;
(3) When it is always on, it means that the TCP connection is successfully established with the mobile phone.

COM1: common terminal;

NC1: normally closed end, the relay is short circuited with COM1 before closing and suspended after closing;
NO1: normally open, the relay is suspended before closing, and then it is short circuited with COM1 after closing.
First place: the relay is suspended before closing, and then short circuited with COM1
Com 2: common terminal;
NC2: normally closed end, the relay is short circuited with com2 before closing and suspended after closing;
NO2: normally open, the relay is suspended before closing, and then it is short circuited with com2 after closing.
Normally, the relay is suspended before closing, and then it is short circuited with com 2.
Relay control command (hex form): open the first relay: A0 0101 A2
Close the first relay: A0 01 00 A1, open the second relay: A0 02 01 A3, close the second relay: A0 02 00 A2
Turn off the first relay: A0000 A1, turn on the second relay: A0002001 A3, turn off the second relay: A0002000 A2
2. Prepare the following tools and software before use:
(1) 5V / 1A power adapter, the positive and negative poles of the power supply are connected to the in + and in – of the module respectively;
(2) The app ‘esotouch DEM’ installed on Android mobile terminal is used to configure wifi account and password for esp-01 module when working mode 2 is used for the first time.