5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
$23.99
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board

5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board

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$23.99

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Product Description

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:

Number Name Function Description
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 Power ground
5 5V 5V power supply

More Detailed Photos:

5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board
5V/7-28V Power Supply 8 Channel ESP8266 WIFI 8-way Relay Module ESP-12F Development Board Secondary Development Board

Additional Information

When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:

Airmail and Airmail Registered Area Time
United States, Canada 10-25 business days
Australia, New Zealand, Singapore 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 10-45 business days
Other countries 10-35 business days
Expedited Shipping 7-15 business days to Worldwide

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