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Home / Computer Hardware, Monitors & Peripherals / TTP223/224/226 Capacitive Touch Sensor Module for Momentary Push-Button Proximity Switch Applications

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Model Number TTP223B
Operating Voltage 2.0V - 5.5V DC
Output Type Digital High/Low
Trigger Mode Momentary (Direct Drive)
Response Time Approx. 60ms
Low Power Current 1.5uA
PCB Dimensions 16mm x 16mm
Mounting Hole 3mm Diameter
Pin Interface 3-Pin Header (VCC, GND, I/O)
Compatibility Arduino, Raspberry Pi, STM32

5 reviews

A

Anonymous

Mar 25, 2026

Rating: 4/5

Good Value

Works well but requires stable power supply. Otherwise no issues.

A

Anonymous

Mar 04, 2026

Rating: 5/5

Reliable Sensor

Used ten of these for a keyboard project. All functioned correctly.

A

Anonymous

Feb 17, 2026

Rating: 5/5

Perfect for DIY Projects

Worked straight out of the box with my Arduino Uno. Sensitivity is great.

A

Anonymous

Feb 09, 2026

Rating: 5/5

Compact Size

Fits perfectly in my small enclosure. Soldering pads are clear.

A

Anonymous

Feb 02, 2026

Rating: 5/5

Very Sensitive

I was able to detect touch through a thin wooden panel. Highly recommend.

5 FAQ

Q: Can I use this with 5V logic?

A: Yes, the module supports voltage range from 2.0V to 5.5V.

Q: Is there a toggle version available?

A: Yes, look for the TTP223B-BA6 for toggle mode options.

Q: Does it come with headers?

A: Headers are not included, you will need to solder them separately.

Q: Can this detect touch through glass?

A: Yes, it can detect through non-metallic materials like glass or plastic.

Q: What is the maximum current output?

A: The output current is limited, please use a transistor for high load.

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