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

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 2.0V ~ 5.5V DC
Operating Current 4.0mA @ 3.0V
Output Mode Toggle or Momentary (Selectable)
Response Time Approx. 60ms
Interface Type 3-Pin Header (VCC, GND, SIG)
PCB Dimensions 11mm x 15mm
Mounting Hole Size 3mm Diameter
Working Temperature -40°C ~ 85°C
Sensor Type Capacitive Touch
Package Weight 1.5g

5 reviews

A

Anonymous

Apr 05, 2026

Rating: 5/5

Reliable Switch

Using it for a home automation project. It has been running for weeks without any false triggers. Very stable output signal.

A

Anonymous

Mar 25, 2026

Rating: 3/5

Needs Calibration

Had to adjust the sensitivity pad on the back to get it working reliably with my setup. Once calibrated, it works fine.

A

Anonymous

Jan 31, 2026

Rating: 5/5

Compact Design

Fits perfectly in my small enclosure. The mounting holes are standard size which made installation very easy. Highly recommend for DIY electronics.

A

Anonymous

Jan 24, 2026

Rating: 5/5

Perfect for Arduino Projects

Works flawlessly with my Arduino Uno. The sensitivity is great and it was easy to wire up. I used it for a touch-sensitive lamp switch.

A

Anonymous

Jan 19, 2026

Rating: 4/5

Sensitive but Good

Great module overall. The sensitivity is quite high, which is good, but you need to be careful with placement. Works well through thin plastic.

5 FAQ

Q: What is the pinout configuration?

A: The pins are labeled clearly on the board: VCC for power, GND for ground, and SIG for the output signal.

Q: How do I set it to momentary mode?

A: You need to short the solder pad labeled 'M' on the back of the PCB. By default, it is usually in toggle mode.

Q: What voltage does this module support?

A: It operates between 2.0V and 5.5V DC, making it compatible with both 3.3V and 5V microcontrollers.

Q: Can it detect touch through glass?

A: Yes, it can detect through non-metallic materials like glass or plastic, typically up to 5mm thickness depending on sensitivity settings.

Q: How much current does it draw?

A: It consumes approximately 4.0mA at 3.0V during operation, which is low enough for most battery-powered projects.

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