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TTP223B Capacitive Touch Sensor Module

TTP223B Capacitive Touch Sensor Module

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  • Power supply voltage(VCC): 2.0, 3, 5.5 V.
  • 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
  • Can replace the traditional touch of a button
  • Four M2 screws positioning holes for easy installation

TTP223B Capacitive Touch Sensor Module

The TTP223B Digital Capacitive Touch Switch Sensor Module 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 Sensor Module is based on TTP223B. Normally, it outputs low and keeps at a 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 a low-power state again.

If the module is mounted on surfaces of non-metallic materials such as plastic, glass, or 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 it hidden in the walls, desktops and other parts of buttons.

Touch Sensor Interface:

  • Control Interface: A total of three pins (GND, VCC, SIG), GND to the ground, VCC is the power supply, SIG digital signal output pin
  • Power Indicator: Green LED, power on the right that is shiny
  • Touch area: Similar to a fingerprint icon inside the area, you can touch the trigger finger.
  • 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.


  • Portable devices such as smartphones and tablets (iPhones, iPad, etc.)
  • Home applications such as touch lamps
  • Automotives
  • Industrial

Package Includes:

  • 1 x TTP223B Capacitive Touch Sensor Module


Power supply  2 ~ 5.5V DC
Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V) 8 mA
Output pin pull-up current (@ VCC = 3V, VOH = 2.4V) 4 mA
Dimensions  3 x 2 x 1 cms 
Weight  5 grams


Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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1. What is a capacitive touch sensor module?

  • The module is based on a touch-sensing IC (ttp223b) capacitive touch switch module. In the normal state, the module output low, low power consumption. when a finger touches the corresponding position, the module output high, if not touched for 12 seconds, switch to low-power mode.

2. Where can i use the capacitive touch sensor module?

  • The capacitive touch sensor module are used in Portable devices such as smartphones and tablets (iPhones, iPad, etc.), Home applications such as touch lamps, Automotives, and Industrial