ISKS Seminar Project

Faculty of Information Studies
fis.unm.si

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Table of Contents

• Task 1: Photoresistor
• Task 2: Touch Sensors
• Task 3: Potentiometer

Task 1: Photoresistor

Pins used

• Photoresistor sensor: GPIO 32
• Main LED: GPIO 33
• Backup LED: GPIO 25
• ESP LED: GPIO 2

Task 2: Touch Sensors

Pins used

• Touch Sensor 1: GPIO 13
• Touch Sensor 2: GPIO 12
• Touch Sensor 3: GPIO 14
• Push Button: GPIO 33
• Blue LED: GPIO 27
• Green LED: GPIO 26
• Red LED: GPIO 25

Task 3: Potentiometer

Pins used

• Potentiometer: GPIO 32
• Blue LED: GPIO 27
• Green LED: GPIO 26
• Red LED: GPIO 25

System Architecture

The system consists of

• ESP32
• Web Control Panel (Next.js)

Communication

Messages are exchanged in JSON format over WebSocket

Photoresistor (toggle LED):

{
  "name": "mainButton",
  "value": true
}

Photoresistor (set threshold):

{
  "name": "threshold",
  "value": 1500
}

Potentiometer (status):

{
  "name": "status",
  "value": "ok"
}