About this item

🔵 TTP223B Capacitive Touch Sensor Module – Digital Finger Detection Switch 🔵

💡 Replace a mechanical button with a modern and reliable touch surface using the TTP223B capacitive sensor.
A simple finger touch triggers the digital output, perfect for Arduino, Raspberry Pi, ESP32 and interactive electronic projects.

⚙️ How It Works

The TTP223B senses the capacitance change when a finger approaches or touches the pad.

• No touch → output LOW (default).
• Touch detected → output HIGH (activated).
  Works as an electronic switch with no mechanical wear.

🛡️ Specifications

• Chip: TTP223B
• Operating voltage: 2.0V – 5.5V DC
• Output: digital (HIGH/LOW)
• Active state: touch detected → HIGH
• Onboard LED indicator
• Fast response time: ≤ 60 ms
• Size: approx. 15 × 11 mm

🛠️ Applications

• 🤖 Arduino / ESP32 / Raspberry Pi projects
• 🏠 Smart home: touch switches for lamps, fans
• 🎮 Interactive interfaces and control panels
• 🔧 Replacement for mechanical buttons
• 💡 Low-power embedded systems

✨ Key Features

• 👆 Touch activation without mechanical contact
• 🔇 Silent and durable (no wear)
• ⚡ Fast and reliable response
• 🔌 Compatible with 2–5.5V systems
• 📦 Compact and easy to integrate