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Home / Computer Hardware, Monitors & Peripherals / Single-Channel TTP223 Touch Sensor Module, 1-Channel Capacitive Touch Switch

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 2.0V - 5.5V DC
Operating Current 3mA (Typical)
Output Mode TOG (Toggle) or Q (Momentary)
Sensitivity Adjustment Adjustable via Capacitor Pad
Response Time Approx. 60ms
PCB Dimensions 16mm x 16mm
Interface Type 3-Pin Header (VCC, GND, OUT)
Chip Model TTP223-BA6
Operating Temperature -20°C to +70°C
Package Content 1 x Touch Sensor Module

5 reviews

A

Anonymous

Apr 13, 2026

Rating: 3/5

Okay for the price

Works but sensitivity varies with humidity. Good for indoor projects only.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Perfect for DIY

Works flawlessly with my Arduino Uno. Very easy to wire up and the sensitivity is good out of the box.

A

Anonymous

Feb 13, 2026

Rating: 5/5

Great replacement

Used this to replace a mechanical button on a custom control panel. Looks much cleaner.

A

Anonymous

Feb 01, 2026

Rating: 5/5

Fast and reliable

Quick response time, exactly as described. Shipping was fast too.

A

Anonymous

Jan 27, 2026

Rating: 4/5

Sensitive but good

Very sensitive to touch, needed some tuning with the capacitor pad but works well once calibrated.

5 FAQ

Q: What is the maximum load current?

A: This is a signal module. Use a transistor or relay module to drive high current loads.

Q: How do I change the output mode?

A: There are solder pads on the back labeled TOG and Q. Short the appropriate pad.

Q: Is there a protective film on the pad?

A: Yes, please remove the blue protective film before use for best sensitivity.

Q: Does this work with 3.3V logic?

A: Yes, it supports 2.0V to 5.5V so it is compatible with 3.3V systems.

Q: Can I connect this to Raspberry Pi?

A: Yes, compatible with GPIO pins. Ensure common ground is connected.

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