What is it?

ESP32 Human Machine Interface is a control module for PLC applications, with multiple connection possibilities such as WiFi, RS485, UART. It has a 2x20 character LCD connector as well as key or encoder inputs

Why did you make it?

Is a part of our automating systems but can be used as stand alone module for other projects

Packing List: - PCB with SMD installed as you see in picture

Extra components needed ( not included):

• Buzzer
• RJ45 straight connector if you need RS485 communications
• Battery holder and battery CR3032 itself if you need the RTC feature
• Box header connectors for encoder/keyboard or RC522 RFID module
• 2x20 characters LCD with backlight if you need
• 25mm long 2x8 pinheader to connect the LCD
• 25mm nylon standoffs to install the LCD

Features:

• onboard RTC + Battery
• 2x20 characters LCD connector with -3.0Vcc converter onboard ( to use an usual 5V LCD at 3.3Vdc).
• PWM modulated Backlight
• onboard protected RS485 driver with auto ENABLE function ( Serial.print ready)
• UP/DOWN/LEFT/RIGHT/ENTER keyboard or ENCODER 2x5 pin boxheader connector
• RC522 RFID board connector
• 5V Arduino type FTDI connector
• RJ45 connector for RS485 , +12/24Vcc, +6Vcc

Applications:

• Industrial automation
• Home automation systems
• HVAC Systems

Specifications:

Power Voltage: 6Vdc/0.5A