DC 5V/DC 7-28V ESP8266 8 Channel WIFI Relay Module ESP-12F Development Board NEW
I. Overview
The ESP8266 eight-way relay development board is equipped with ESP-12F WiFi module and supports DC7-28V/5V power supply. Provide Arduino development environment reference code, suitable for ESP8266 secondary development learning, smart home wireless control and other occasions.
 
II. Features
1. On-board mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash;
2. The power supply mode supports DC7-28V/5V;
3. The onboard WiFi module RST reset button;
4. ESP-12F supports the use of Eclipse/Arduino IDE and other development tools, and provides reference programs under the Arduino development environment;
5. There are 8 5V relays on board, outputting switch signals, suitable for controlling loads whose working voltage is within AC 250V/DC30V;
6. Onboard power indicator and relay indicator.
 
III. Hardware introduction and description:
1. Board size: 148*79.8mm
Weight: 140g
 
Programming port: ESP8266's GND, RX, TX, 5V are respectively connected to the GND, TX, RX, 5V of the external TTL serial port module. IO0 needs to 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
3. Introduction to GPIO port

 

 

1

ADC

A/D conversion result. Input voltage range: 0～1V, value range: 0～1024

2

IO2

GPIO2; UART1_TXD

 

TXD

UART0_TXD; GPIO1

3

RXD

UART0_RXD; GPIO3

4

GND

 GND

5

5V

5V Power
Package Include:
1x DC 5V DC 7-28V ESP8266 WIFI 8 Channel Relay Module ESP-12F Development Board

  • If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
    We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.

  • If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
  • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.

* When you satisfied with our product and services please leave us positive feedback.

* If you have got the package, please confirm "Delivery on time" For us.

* If a problem occurs, contact us immediately with any email request.

* Just contact us using the " Ask the seller a question" link on eBay.

1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.

  • EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it's 100% right.
    Payment must be received in 5 business days of auction closing.
    Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
    Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.

Le 02-sept.-21 à 05:29:08 Paris, le vendeur a ajouté les informations suivantes :

DataCaciques