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Capacitive Touch Sensor Module-TTP223

SKU: H2INOKG6NI
The TTP223 Capacitive Touch Sensor Module is a compact touch-sensitive input module designed to replace traditional mechanical push buttons. Based on the TTP223 capacitive touch sensing IC, the module detects the touch of a finger through changes in capacitance and generates a digital output signal. Unlike mechanical switches, the TTP223 provides silent operation, high reliability, and long service life since...
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Specifications

Specifications:

Module Type: Capacitive Touch Sensor Module
Sensor IC: TTP223
Detection Method: Capacitive Touch Sensing
Operating Voltage: 2.0V to 5.5V DC
Typical Operating Voltage: 3.3V to 5V DC
Operating Current: Typically Less Than 10µA (Standby)
Output Type: Digital Output
Output Logic: Active High (Default)
Response Time: Approximately 60ms
Touch Pad Type: Capacitive Touch Electrode
Sensitivity: High Sensitivity Touch Detection
Indicator LED: Yes
Interface Pins: VCC, GND, OUT
Auto Calibration: Yes
Power Consumption: Ultra Low Power
Operating Temperature Range: -20°C to +70°C
Storage Temperature Range: -40°C to +85°C
Module Dimensions: Approximately 24mm × 24mm × 7mm
Mounting Type: PCB Module
Compatibility: Arduino, ESP32, STM32, Raspberry Pi Pico, AVR, PIC

Additional Resources

Touch Sensor.PDF

FAQ

1. What is the TTP223 Capacitive Touch Sensor Module used for?

The TTP223 module is used to detect finger touches and can replace traditional mechanical push buttons in electronic projects and devices.

2. How does the TTP223 sensor work?

The sensor detects changes in capacitance when a finger touches the sensing area and generates a digital output signal.

3. Can the TTP223 be connected directly to Arduino and ESP32 boards?

Yes, the module provides a digital output that can be directly connected to Arduino, ESP32, STM32, Raspberry Pi Pico, and other microcontrollers.

4. What are the advantages of a capacitive touch sensor over a mechanical button?

Capacitive touch sensors offer silent operation, no mechanical wear, longer lifespan, improved reliability, and a modern user interface.

5. What voltage does the TTP223 module operate on?

The module operates from 2.0V to 5.5V DC, making it compatible with both 3.3V and 5V microcontroller systems.

View full product details

The TTP223 Capacitive Touch Sensor Module is a compact touch-sensitive input module designed to replace traditional mechanical push buttons. Based on the TTP223 capacitive touch sensing IC, the module detects the touch of a finger through changes in capacitance and generates a digital output signal.

Unlike mechanical switches, the TTP223 provides silent operation, high reliability, and long service life since there are no moving parts. The module can be easily interfaced with Arduino, ESP32, STM32, Raspberry Pi Pico, and other microcontrollers, making it ideal for touch-controlled devices, smart home applications, interactive electronics, and embedded systems.

Its small size, low power consumption, and high sensitivity make it suitable for a wide range of DIY, educational, and commercial applications.

Key Features

  • Based on TTP223 capacitive touch sensing IC
  • Detects finger touch without mechanical contact
  • Digital output signal
  • High sensitivity touch detection
  • Low power consumption
  • Fast response time
  • Compact PCB module design
  • Stable and reliable operation
  • Long lifespan with no moving parts
  • Simple interface for microcontrollers
  • Supports touch button replacement applications
  • Built-in status indicator LED
  • Compatible with Arduino, ESP32, STM32, and Raspberry Pi
  • Ideal for automation and interactive projects