This product is perfect for ESP8266 secondary development learning!
It’s a great way for beginners to get started with development tools like Eclipse/Arduino IDE.
The board comes with 8 5V relays and an onboard power indicator, making it easy to control loads of up to AC 250V/DC30V.
Plus, the RST reset button makes it easy to reset the WIFI module.
Package includes: 1 x 8-way Relay Module.
More Information:
Note: This product cannot be used directly, it is suitable for ESP8266 secondary development learning, beginners pay attention!
Feature:
Onboard mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash
Power supply mode supports DC7-28V/5V
Onboard WIFI module RST reset button
ESP-12F supports the use of development tools such as Eclipse/Arduino lDE
Provide reference program under Arduin0 development environment
Onboard 8 5V relays, output switch signals, suitable for controlling loads whose working voltage is within AC 250V/DC30V
Onboard power indicator and relay indicator
Product specifications
Board size: 149*80mm
Weight: 140g
Package includes:
1 x 8-way Relay Module
Programming port: ESP8266’s GND, RX, TX, 5V are respectively connected to the external TTL serial port module GND, TX, RX, 5V, IO0 must be connected to GND when downloading, and then disconnect the connection between IO0 and GND after the download is complete;
Relay output:
NC: Normally closed, the relay is short-connected with COM before the pull-in, and hangs in the air after pull-in;
COM: public end;
NO: Normally open end, the relay is suspended before being closed, and shorted to COM after being closed.
GPIO lead port introduction:
                                                                                                                                              
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Fast Shipping and Professional Packing
We offer a wide range of shipping options owing to our long-standing relationships with UPS, FedEx and DHL. Our warehouse personnel will pack all goods to our exacting specifications. Your goods will go through a thorough inspection and be securely secured prior to being shipped. Every day, we deliver to thousands of customers across many countries. This shows our commitment to become the biggest online retailer on earth. Warehouses and distribution centers can be found in Europe and the USA.
Orders that contain more than one item are assigned processing times in accordance with the item.
Prior to shipping, we check the item thoroughly before sending the items. The majority of orders will be delivered within 48 hours. Delivery time ranges between 3-7 days.
Returns
The inventory is always changing and we do not completely manage it because several parties are involved, including our warehouse and factory. The actual stock levels can fluctuate at any point. Please understand it may happen that your order is out of stock after the order has been placed.
Our policy is valid for 30 days. However, if the 30 days have elapsed after you bought your product, we are unable to provide a refund or exchange.
You can only return an item if it is unused and is in the same condition the day you received it. It must also be in its original packaging.
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