TTP223B Touch Sensor Module

The TTP223B Touch Sensor Module is a compact and reliable capacitive touch switch designed to replace mechanical buttons in various applications. It detects touch through direct contact or proximity, making it an excellent choice for smart gadgets, DIY projects, and embedded systems. With high sensitivity, low power consumption, and easy integration, the TTP223B module offers a modern solution for touch-based control.

Key Features:

• Capacitive Touch Sensing: Detects touch or proximity, eliminating the need for mechanical switches.
• Low Power Mode: Automatically switches to low-power mode when idle, making it ideal for battery-powered projects.
• Output Modes: Supports both toggle (switch) and momentary (pulse) modes.
• Adjustable Sensitivity: Sensitivity can be altered by changing external capacitors.
• Wide Operating Voltage: Functions with 2.0V to 5.5V, ensuring compatibility with 3.3V and 5V microcontrollers like Arduino or ESP32.
• Applications: Used in touch-based lamps, control panels, DIY smart home systems, and interactive projects.

Technical Specifications:

• Operating Voltage: 2.0V – 5.5V
• Output Modes: Active-high or Active-low (depending on configuration)
• Response Time: ~60ms in fast mode; ~220ms in low-power mode
• Pin Configuration: VCC, GND, I/O (signal pin)
• Dimensions: 15mm x 11mm (0.59" x 0.43")
• Applications: Capacitive buttons for appliances, proximity sensors, touch lamps, and interactive interfaces.

Why Use the TTP223B Touch Sensor Module?

The TTP223B module simplifies touch input with an easy-to-integrate design and stable performance across voltage ranges. It's a go-to component for smart home gadgets, battery-powered projects, or interactive panels. Its capacitive sensing capability offers a sleek, modern user interface compared to traditional buttons.