TTP223 Capacitive Round Touch Board with Warm White LED
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Prices updated: 13 Oct 2026
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About this product
A round capacitive touch board built around the TTP223 single-channel touch sensor IC, with a 5730 warm white SMD LED on the board. It provides a digital output on touch without a mechanical button, suiting touch switches, smart-home controls and hobby interface projects connected to any microcontroller GPIO.
Specifications
- Touch IC
- TTP223 / TTP223
- Channels
- 1 touch key / مفتاح لمس واحد
- Operating voltage
- 2.0 V to 5.5 V / من 2.0 إلى 5.5 فولت
- Output
- Digital (touch detect) / رقمي (كشف اللمس)
- LED
- 5730 SMD, warm white / SMD 5730 أبيض دافئ
- Shape
- Round / دائري
Frequently asked questions
How do I connect the touch board to a microcontroller?
Connect VCC and GND to the supply, then connect the output pin to a digital GPIO configured as an input. The output changes state when the pad is touched. Some boards have a jumper or solder pad for selecting active-high or active-low output, so check the board markings.
Which supply voltage does it need?
The TTP223 operates from 2.0 V to 5.5 V, so it works with 3.3 V and 5 V microcontrollers. Make sure the output level matches the logic voltage of your board to avoid damaging the input pin.
