This module provides four independent capacitive touch pads, each giving a digital HIGH/LOW output, making it ideal for microcontroller projects.
🔹 Specifications
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Number of Touch Pads: 4 (independent channels)
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Detection Method: Capacitive touch sensing
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Operating Voltage: 2V – 5.5V DC
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Operating Current: < 10 µA (very low power)
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Response Time: < 60 ms per pad
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Operating Temperature: –40°C to +85°C
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Output Type: Digital signal (HIGH when touched, LOW when idle)
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Mounting: 4 mounting holes
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Dimensions: 35 mm × 29 mm × 10 mm
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Weight: 3 g
🔹 Compatibility
Works directly with:
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Arduino boards
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Raspberry Pi (3.3V logic compatible)
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ESP8266 / ESP32
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STM32 and other 3.3V–5V microcontrollers
No analog reading required — each pad outputs a simple digital signal.
🔹 Key Advantages
✔ No mechanical wear (no moving parts)
✔ Can be mounted behind plastic, glass, acrylic, or thin wood
✔ Ultra-low standby power
✔ Fast response time
✔ Easy direct GPIO interface
🔹 Typical Applications
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Touch control panels
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DIY smart home switches
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Hidden buttons behind acrylic/glass
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Interactive projects
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Appliance front panels