TTP223B 1 WAY Capacitive Touch Switch
- 1-Channel Capacitive Touch Input
- On-board TTP223B Touch IC
- Output Mode: Active High (default)
- Low Power Consumption
- Sensitivity Adjustable (via jumper pad)
- Toggle/Touch Momentary Mode Selectable
- 3.3V / 5V Compatible
- On-board Indicator LED
- Easy to interface with Arduino, ESP32, ESP8266, PIC, AVR, ARM etc.
Description
The TTP223B 1-Way Capacitive Touch Switch is a compact touch sensor module that detects touch or proximity on its electrode pad.
It replaces traditional mechanical push buttons, offering:
- Higher durability (no mechanical wear)
- Fast response time
- High sensitivity
- Stable operation even through plastic, acrylic, paper, or thin glass
The sensor’s operating mode (momentary or toggle) and sensitivity can be configured using onboard solder pads. It is widely used in DIY electronics, home automation, lighting controls, and embedded systems.
PACKAGE INCLUDES:
- 1 × TTP223B 1-Way Capacitive Touch Sensor Module
Additional information
| Weight | 2 g |
|---|
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Applications
- Touch-based ON/OFF switches
- Home automation control panels
- Lamps, lighting controls
- Touch buttons for consumer electronics
- DIY Arduino/ESP projects
- Contactless activation buttons
- Smart appliances
- Kiosks & touch input interfaces
TECHNICAL SPECIFICATIONS
| Parameter | Value |
| IC | TTP223B |
| Touch Type | Capacitive |
| Operating Voltage | 2.0V – 5.5V (Typical: 3.3V/5V) |
| Output | Digital (High/Low) |
| Output Level | High ≈ 3.3V/5V, Low ≈ 0V |
| Output Drive | Up to 8mA |
| Response Time | Fast: ~60ms |
| Modes | Toggle / Momentary |
| Sensitivity | Adjustable |
| Indicator | Onboard LED |
| PCB Size | ~ 24 × 24 mm |
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