TTP223B Capacitive Touch Sensor Module
Non-returnable
Rs.45.00
The TTP223B is a popular capacitive touch sensor module used in various electronic projects. It is designed to detect touch or proximity by sensing changes in capacitance. Here's a description of the TTP223B capacitive touch sensor module:
1. Sensing Method: The TTP223B module utilizes capacitive sensing to detect when a conductive object, such as a finger or metal, comes into contact with or approaches the touch-sensitive area of the module. When a touch or proximity event is detected, it triggers an output signal.
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2. Sensing Area: The module typically has a small sensing area on its surface, often marked with a pad or indicator. This is where users interact with the sensor by touching or bringing a conductive object close.
3. Output: The TTP223B module provides a digital output signal that changes its state when a touch or proximity event is detected. It usually has two output modes:
Toggle Mode: In this mode, the module toggles its output state (high/low or on/off) each time a touch is detected. This means that one touch turns it on, and another touch turns it off.
Latch Mode: In latch mode, the output remains in the same state (either high or low) after the initial touch until it's reset. Another touch is required to change the output state.
4. Sensitivity Adjustment: Some versions of the TTP223B module come with a sensitivity adjustment feature. This allows users to fine-tune the sensor's sensitivity to accommodate different touch or proximity requirements.
5. Power Supply: The module typically operates on a low voltage supply, often around 3.3V or 5V, depending on the specific module version. It consumes very little power, making it suitable for battery-powered applications.
6. Indicator LED: Many TTP223B modules include an indicator LED that lights up when a touch is detected. This LED can be useful for debugging and visual feedback.
7. Pin Configuration: The module has pins for power supply (VCC and GND), output (OUT), and an optional enable/disable pin (EN) that can be used to enable or disable the sensor as needed.
8. Application: The TTP223B capacitive touch sensor module is widely used in DIY electronics projects and product designs where touch or proximity sensing is required. Common applications include touch-sensitive switches, buttons, proximity sensors for activating lights or displays, and interactive projects.
9. Wiring and Interfacing: Interfacing the module with a microcontroller or other electronic circuits is straightforward. Typically, you connect the VCC and GND pins to the power supply, the OUT pin to a digital input pin on your microcontroller, and optionally, the EN pin for enable/disable control.
10. Library Support: Depending on the microcontroller platform you are using, there may be libraries or code examples available to simplify integration with the TTP223B module.