ESP8266 ESP-12F 7-28V 2Ch 30A Wifi Relæ Module

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 2-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.

Installere ESP package (Arduino IDE)

• Åben Arduino IDE (Download her)
• Klik “Fil/Egenskaber”
• Indtast dette link i feltet “Additionel Board Manager URL’s”
• Link “http://arduino.esp8266.com/stable/package_esp8266com_index.json“
• Klik OK
• Åben “Værktøj/Board/Boards manager” (Lad programmet opdatere)
• Find “ESP8266” og installere
• Klik derefter “Værktøj/Board” og find (NodeMCU 0.9 (ESP-12 Module))
• “Værktøj/Programmer” skal være “AVR ISP”
• Du er nu klar til at sende en kode

Program Upload: (Arduino IDE)
Da dette modul ikke har en USB interface, skal der bruges en “TTL Serial Adapter Module” som sender programmet over i chippen. Du kan købe den her:

• FT232RL FTDI USB 2.0 to TTL Serial Adapter Module

Inden koden kan uploades skal IO0 forbindes til GND imens koden uploades.

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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