HTTM Series Capacitive Touch Button Module
The HTTM Series Capacitive Touch Button Module is a high-performance digital touch sensor that offers a modern and efficient alternative to mechanical push buttons. Designed for 2.7V to 6V DC operation, this module detects human touch through a non-metallic surface using capacitive sensing technology.
Its high sensitivity, fast response time, and long lifespan make it ideal for Arduino, Raspberry Pi, and other microcontroller-based electronics projects. Commonly used in DIY touch switches, home automation, LED control, and interactive IoT devices, it allows designers to create sleek, button-free interfaces with simple integration.
⚙️ Key Features
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✋ Capacitive Touch Technology – Responds instantly to light human touch.
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⚡ Wide Operating Voltage (2.7V–6V) – Compatible with various microcontrollers.
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🧠 Stable Output Signal – Provides clean digital HIGH/LOW output for logic circuits.
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🔧 Simple 3-Pin Interface – Easy connection with Arduino and other boards.
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💡 Compact & Durable Design – Ideal for space-saving and embedded systems.
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🔄 Long Service Life – No physical wear or degradation like mechanical buttons.
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🧰 Perfect for Smart Interfaces – Great for home automation and touch control panels.
📐 Technical Specifications
| Parameter | Specification |
|---|---|
| Model | HTTM Series Capacitive Touch Module |
| Operating Voltage | 2.7V – 6V DC |
| Output Type | Digital (HIGH/LOW) |
| Output Voltage | 0V (LOW) / VCC (HIGH) |
| Output Current | ≤500mA |
| Response Time | <60ms |
| Interface Pins | VCC, GND, OUT |
| Touch Pad Size | 13–15 mm diameter (varies by model) |
| Board Size | 20 mm × 15 mm (approx.) |
| Operating Temperature | -30°C to +70°C |
| Output Indicator | On-board LED |
🧩 Applications
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🧠 Arduino & Raspberry Pi interactive projects
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🏠 Home Automation Systems – Smart switches and touch-controlled devices
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💡 LED Lighting Control – Touch to toggle lights or brightness levels
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🤖 IoT Devices – Sensor panels and touch-based interfaces
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🎮 DIY Electronics & Robotics – Replace mechanical push buttons
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⚙️ Industrial Control Panels – For sleek, durable operation
⚠️ Precautions
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Avoid touching with wet or conductive surfaces.
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Use non-metallic materials (like plastic or acrylic) as a touch surface.
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Keep module away from high EMI sources for stable operation.
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Ensure a regulated 3.3V–5V power supply for microcontroller interfacing.
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Connect through a Power Supply or logic-safe voltage regulator when needed.
🧰 Recommended Accessories
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🧠 Arduino Boards – For touch interface programming.
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⚙️ Raspberry Pi Cases – For embedded touch interfaces.
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🔌 Power Supply Modules – For stable DC input.
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💡 LED Modules – For touch-activated lighting systems.
▶️ YouTube Tutorial Video
🎥 Watch: How to Use HTTM Capacitive Touch Sensor with Arduino
📝 Product Summary
The 2.7V–6V HTTM Series Capacitive Touch Button Module is a reliable and efficient touch input solution that enhances user experience in Arduino and IoT projects. With fast response, high durability, and simple wiring, it’s ideal for modern touch interfaces, LED control panels, and automation systems.
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