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Home / Computer Hardware, Monitors & Peripherals / TTP224 4-Channel Touch Switch Module 4-Way Capacitive Finger Touch Sensor Circuit Board
Computer Hardware, Monitors & Peripherals

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 2.0V - 5.5V DC
Operating Current 3mA (typical at 3V)
Output Configuration Direct Output (CMOS)
Response Time Approx. 60ms
Channel Count 4 Independent Channels
PCB Dimensions 29mm x 23mm
Mounting Hole Size 3mm Diameter
Main IC Chip TTP224
Operating Temperature -10°C to 70°C
Weight 3 grams

5 reviews

A

Anonymous

Mar 26, 2026

Rating: 5/5

Great replacement for buttons

Using these to modernize an old control panel. Looks sleek and functions well.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Bulk buy success

Ordered 10 units for our club. All arrived working and consistent.

A

Anonymous

Mar 08, 2026

Rating: 3/5

Okay for the price

One channel was less responsive than the others. Still usable for hobby stuff.

A

Anonymous

Mar 06, 2026

Rating: 4/5

Good but sensitive

Works well but picks up noise if wires are too long. Keep it close to the MCU.

A

Anonymous

Feb 27, 2026

Rating: 5/5

Works perfectly with Uno

Very easy to integrate. The touch sensitivity is spot on for my project.

5 FAQ

Q: Is there a sleep mode?

A: The chip has low power consumption but does not have a dedicated sleep pin on this module.

Q: Does it come with headers soldered?

A: No, headers are not included to allow flexible mounting options.

Q: Can this run on 3.3V logic?

A: Yes, the module supports 2.0V to 5.5V, so 3.3V is perfectly fine.

Q: Can I use this with water nearby?

A: Capacitive touch can be affected by moisture. Keep the module dry for best performance.

Q: What is the max current per output?

A: Please refer to the TTP224 datasheet, but we recommend driving a transistor for loads over 5mA.

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