Digital Sensor TTP223B Module Capacitive Touch Switch

(5 customer reviews)

Out of stock

Approx Restocking Date: 30th May, 2024
SKU: 31100
  1. Power supply voltage(VCC): 2.0, 3, 5.5 V.
  2. Output high VOH: 0.8VCC V
  3. Output low VOL: 0.3VCC V
  4. Response time (touch mode) : 60 mS
  5. Response time (low power mode) : 220 mS
  6. Can replace the traditional touch of a button
  7. Four M2 screws positioning holes for easy installation


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Category: Electronic Switches/Keypads Modules
Tags: Capacitive Touch, Touch Sensor, Touch Detection, Touch Switch, Capacitive Switch

The Digital Sensor TTP223B Module Capacitive Touch Switch is based on a touch-sensing IC (TTP223B) capacitive touch switch module. Allows you to remove the worry of conventional push-type keys.

Digital Capacitive Touch Switch Module is based on TTP223B. Normally, it outputs low and keeps at low power state. When a touch is sensed on the circular marked region, it outputs high and switches to the quick response state. When not being touched for 12 seconds, it switches to low power state again.

If the module is mounted in the surfaces of non-metallic materials such as plastic, glass, acrylic, you can make the keys hidden in the walls and desks.

In addition to the thin paper ( non-metallic ) covering the surface of the module, as long as the correct location of the touch, you can make hidden in the walls, desktops and other parts of buttons.

Touch Sensor Interface :
  1. Control Interface: A total of three pins (GND, VCC, SIG), GND to the ground, VCC is the power supply, SIG digital signal output pin
  2. Power Indicator: Green LED, power on the right that is shiny
  3. Touch area: Similar to a fingerprint icon inside the area, you can touch the trigger finger.
  4. Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination.

Features :

  1. Low power consumption
  2. Power supply for 2 ~ 5.5V DC
  3. Can replace the traditional touch of a button
  4. Four M2 screws positioning holes for easy installation
  5. Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V) : 8 mA
  6. Output pin pull-up current (@ VCC = 3V, VOH = 2.4V) : 4 mA

Package Includes :

1 x Digital Sensor TTP223B Module Capacitive Touch Switch

Operating Voltage (VDC)

2 ~ 5.5

Output high VOH

0.8VCC V

Output low VOL

0.3VCC V

Response time (touch mode)

60 mS

Response time (low power mode)

220 mS

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.085 kg
Shipping Dimensions 3 × 3 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 5 reviews

5.0 overall

Add a review

  1. shashwatkmr.001 (verified owner)

    Good product. Tried with NodeMCU and worked well.


  2. ykprakash (verified owner)

    Tested n found working. For the purpose of testing, I used simple reading of the pin in Arduino.


  3. m.bhangale (verified owner)

    Dear sir
    Please guide me how can I use it as toggle mode


  4. [email protected]


    [email protected]

  5. Zuhair Khatri (verified owner)

    Good response and good overall quality

    Zuhair Khatri

Questions and answers of the customers

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Country Of Origin: China

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