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DC7-28V / 5V Power Supply ESP8266 WiFi 8 Channel 30A Relay Module ESP-12F Development Board

4.2195

$27.99 / $34.15

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$14.39 / $34.15

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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Sɔn sisan Panieri la sɛbɛ

Kredi kaati

Ka sɛn sɔgɔsɔgɔninjɛ

Sɔnni hɔrɔn

Sɔnni hɔrɔn o sɔnni bɛɛ la

Ka taa cogo

Ka taa hɔrɔn $9.9 kɔnɔ

Ka segin cogo

Sɔnni segin bɛ se ka sɔrɔ 40 don kɔnɔ Sɔnni yɛlɛman tɛ segin Sɔnniw minnu bɛ sɔn ni kaati hɔrɔn, olu tɛ segin

Sɔnni Hɔrɔn

I ni ce Roymall, i ka sɔnniw siti. An bɛ i ka dɛmɛ fɛɛrɛ. O sɔnni hɔrɔn bɛ kɛ i ka sɔnni kɛnɛ kan.

Ka Taa Cogo

An bɛ sɔnniw taa i ka so la 2 don kɔnɔ. Kɛnɛ cɛsiri bɛ se ka kɛ 5-7 don kɔnɔ.

1. Ka Segin Cogo

Sɔnniw bɛ segin 40 don kɔnɔ. Sɔnni yɛlɛman tɛ segin.

2.Ka Sɛn Segin

I bɛ sɛn sɔrɔ segin kɔnɔ.

Description:

The ESP8266 eight way 30A relay development board is equipped with ESP-12F wifi module, with all I / O ports led out, and supports DC7-28V / 5V power supply mode. Provide Arduinodevelopment environment reference code, which is suitable for ESP8266 secondary development and learning, smart home wireless control and other occasions.

Features:

1. Onboard mature and stable ESP-12F WiFi module with large capacity of 4M byte flash
2. The I / O port and UART program download port of WiFi module are all led out to facilitate secondary development; 3. The power supply mode supports dc7-28v / 5V;
4. On board WiFi module RST reset key and a programmable key;
6. On board 8-way 5V / 30A relay, which outputs switching signal and is suitable for controlling loads with working voltage within AC 250V / DC30V
7. On board power indicator, relay indicator and led of one module;
8. Two on-board shift registers 74HC595 control the relay switch.

Package Include:

1x Relay Module Board

Writing port:

GND, Rx, TX and 5V of esp8266 are respectively connected to GND of external TTL serial port module, TX, Rx, 5V, IO0 needs to be connected with GND when downloading, and then disconnect the connection between IO0 and GND after downloading; Relay output:
NC: normally closed end, short circuited with com before the relay is pulled in & suspended after it is pulled in;
COM: public end;
No: normally open, the relay is suspended before closing, and is short circuited with com after closing.

Paypal bɛ sɔn

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DC7-28V / 5V Power Supply ESP8266 WiFi 8 Channel 30A Relay Module ESP-12F Development Board

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