Atmega328 Based PLC Style 4 relays with WIFI and Bluetooth Connectivity for DIY IOT

Description

Atmega328 Based PLC Style 4 relays with WIFI and Bluetooth Connectivity for DIY IOT

Control up to 4 relays with GPIO headers, supporting both analog and digital I/O, and connect ESP8266 ESP01 WiFi or HC-05 Bluetooth modules on a single board. Program directly using Arduino IDE.

This board saves time and money for your home or small industrial IoT projects, enabling setup in just one minute.

Fully customizable to your needs—let us know your preferred additions or modifications, and we’ll create the best board for your application. Our software design specialists are also available to provide complete support.

Board Features:

• Based on Arduino Uno bootloader with ATMEGA328P 
• On board CH340C USB-TTL module to connect it to PC for your code download
• On board ULN2003 for relay driver
• A0-A5 and all SPI digital pins connections via Terminal block to easy connect extra sensors and modules
• Buzzer onboard  
• reset switch
• All output Relays connected to LED for easy debugging your code flow
• LD1117-3.3 to power ESP8266 with built in voltage divider for RX-TX pins 
• the board power using 5V dc via Standard DC jack in
• ESP01 Module Sold alone