ESP8266 ESP-12F 7-28V 4Ch 30A Wifi Relæ Module

Beskrivelse

ESP8266 ESP-12F 7-28V 4Ch 30A Wifi Relæ Module har en indgangs spænding på 7-28V, og bliver kontrolleret fra ESP-12 chippen. Perfekt til alle IoT projekter.

Tekniske detaljer:

Mature and stable esp-12f WiFi module on board, large capacity 4m Byte Flash.
I / O port of WiFi module and UART program download port are all led out, It is convenient for secondary development.
The power supply mode supports dc7-28v / 5V.
On board WiFi module RST reset button and a programmable key.
Esp-12f supports the use of eclipse / LDE and other developers p
rovide the reference program for Arduino development environment.
On board 4-way 5V / 30A relay, output switch signal, to
control the load whose working voltage is within AC 250V / DC 30V.
On board power indicator, 1 programmable led and relay indicator.
Board size: 122.5 * 87mm
Weight: 160g

Program Upload: (Arduino IDE)
GND, Rx, TX and 5V of burning and writing port esp8266 are respectively connected with GND, TX, RX and 5V of external TTL serial port module. When downloading, 00 needs to be connected with GND, and then disconnect 00 from GND after downloading.

Relay output:
NC: normally closed end, the relay is short circuited with com before closing and suspended after closing.
COM: public end.
No: normal opened end, the relay is suspended before closing, and it is short circuited with com after closing.

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