Description

Key Features:

✔ Touch-Sensitive Input – Works through non-conductive surfaces (plastic, glass, wood up to 3mm thick).
✔ Low Power Consumption – Ideal for battery-powered projects (idle current: <2.5µA).
✔ Adjustable Sensitivity – Fine-tune via onboard potentiometer (default: ~50pF trigger capacitance).
✔ Digital Output (High/Low) – Outputs 3.3V (HIGH) when touched, 0V (LOW) when idle.
✔ Wide Voltage Support (2.0V–5.5V) – Compatible with 3.3V and 5V systems (Arduino, ESP8266, Raspberry Pi).
✔ Two Modes (Toggle/Direct) –

• Toggle Mode (Default): Toggles output state with each touch (like a push-button).

• Direct Mode: Output stays HIGH only while touched (jumper selectable).
  ✔ Compact Size (15mm × 11mm) – Easy integration into tight spaces.

Applications:

• Smart Home Controls – Touch-activated lights, switches, or appliances.

• Interactive Displays – Replace mechanical buttons in DIY panels or art installations.

• Wearable Tech – Low-power touch interfaces for wristbands or clothing.

• IoT Projects – Integrate with ESP32/NodeMCU for remote touch sensing.

Pinout & Wiring:

• VCC: Connect to 2.0V–5.5V power.

• GND: Ground connection.

• SIG (OUT): Digital output (connects to microcontroller GPIO).

• A0 (Jumper Pad): Bridge to enable Direct Mode (leave open for Toggle Mode).

Package Includes:

• 1 × TTP223 Capacitive Touch Sensor Module

Why Choose the TTP223?

✅ No Mechanical Wear – Longer lifespan than physical buttons.
✅ Plug-and-Play – Works instantly with microcontrollers.
✅ Customizable – Adjust sensitivity or mode to fit your project.