TTP223 1-Channel Capacitive Touch Sensor Module Red Color
Description:
The TTP223 1-Channel Capacitive Touch Sensor Module is a touch-sensitive module that provides a simple way to implement touch input for various projects. This module is typically used in interactive electronics where touch-based control is desired. Here’s a detailed overview of its use and description:
Description
-
Module Overview:
- Sensor Type: Capacitive Touch Sensor
- Model: TTP223
- Color: Red PCB
- Operating Voltage: 2.0V to 5.5V DC
- Output Type: Digital signal (active low or active high)
- Response Time: Fast response time of 60ms in fast mode and 220ms in low-power mode
- Sensitivity: Adjustable by changing external capacitance
- Power Consumption: Low power consumption, typically a few microamps in low-power mode
- Touch Surface: Single touch pad marked with a circle
-
Components:
- TTP223 IC: Core capacitive touch sensing integrated circuit.
- Touch Pad: Area on the PCB where the touch is detected.
- Output Pin (OUT): Provides a digital signal based on touch detection.
- Power Pins (VCC and GND): Connect to the power supply.
Use
-
Powering the Module:
- Connect the VCC pin to a power supply (2.0V to 5.5V DC).
- Connect the GND pin to the ground of the power supply.
-
Connecting the Output:
- The OUT pin provides a digital signal.
- When the touch pad is touched, the OUT pin goes high (3.3V or 5V depending on supply voltage).
- When the touch pad is not touched, the OUT pin stays low (0V).
-
Integrating with a Microcontroller:
- Connect the OUT pin to a digital input pin on a microcontroller (e.g., Arduino, Raspberry Pi).
- Write a program to monitor the digital input pin for changes.
- When the input pin reads high, perform the desired action (e.g., turn on an LED, trigger an event, etc.).
-
Example Circuit:
- VCC to 5V (or 3.3V) on the microcontroller.
- GND to GND on the microcontroller.
- OUT to a digital input pin on the microcontroller (e.g., D2 on Arduino).
-
Applications
- Touch Panels: Used in devices to replace mechanical buttons with touch-sensitive controls.
- Interactive Displays: Enhances user interfaces in consumer electronics.
- Home Automation: Controls lights, appliances, or other systems with a touch.
- DIY Projects: Ideal for hobbyists to add touch control to their projects.
-
The TTP223 1-Channel Capacitive Touch Sensor Module is a versatile and straightforward component for adding touch-based control to various electronic projects. Its ease of use and integration make it suitable for both beginners and advanced users looking to implement touch-sensitive inputs.
Diagram:
Specifications:
| Operating Voltage | 2.5 ~ 5(VDC) |
| Response time max | 60mS |
| Re-calibration period | 4.0 seconds |
| Dimensions | 1.4 x 1 x 2cms |
| Weight | 5 grams |
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