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Add Touch Input Without Mechanical Buttons
The Capacitive Touch Module 4 Channel TTP224 is a capacitive touch sensor designed for touch interfaces, hidden controls, touchless panels, and human input projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Voltage: 2.4V – 5.5V; Size: 35mm x 29mm.
Why you’ll love it
- Low power selection: Low power selection
- Main chip: Onboard TTP224
- Power range: 2.4V – 5.5V
- Compact size: 35mm x 29mm
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
- Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Capacitive Touch Module 4 Channel TTP224 | capacitive touch sensor | Current item |
| Capacitive Touch Module | capacitive touch sensor with digital output | capacitive touch input |
| Capacitive Touch Sensor - Toggle | capacitive touch sensor | capacitive touch input |
| Capacitive Touch 12-Key Sensor Breakout MPR121 | capacitive touch sensor with I2C | 12-key input, I2C interface |
What you can build
This sensor is a good fit for hidden control panels, touch lamps, menu buttons, smart mirrors, and interactive displays.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard or jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Capacitive Touch Module 4 Channel TTP224 |
|---|---|
| IC | Onboard TTP224 |
| Voltage | 2.4V – 5.5V |
| Size | 35mm x 29mm |
| Category | proximity presence sensors |
Wiring & usage notes
Check the pin labels on the Capacitive Touch Module 4 Channel TTP224 and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module.
What’s in the box
1 × Capacitive Touch Module 4 Channel TTP224
Frequently Asked Questions
What does the Capacitive Touch Module 4 Channel TTP224 measure?
It is designed to measure touch input from a finger or conductive surface.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
What affects accuracy?
Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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