Ultrasonic Sensor HC-SR04
$3
Capacitive Touch Sensor Module
$0.5
This Capacitive Touch Sensor Module (TTP223) allows you to replace traditional push buttons with a modern, touch-sensitive interface. It's ideal for use with Arduino, ESP32, Raspberry Pi, and other microcontrollers for creating sleek, intuitive control panels.
The TTP223 Capacitive Touch Sensor is a high-sensitivity, compact touch switch module based on the TTP223 chip. When a finger touches the sensor pad, the module outputs a high-level signal, making it a drop-in replacement for traditional mechanical switches in your electronics projects.
Its small footprint and low power consumption make it suitable for battery-powered devices, interactive systems, and DIY electronics. The sensor can be easily connected to digital input pins of a microcontroller and responds quickly to light touches, providing a seamless user experience.
Key Features:
✅ Touch-sensitive input detection
✅ Operating Voltage: 2.0V–5.5V
✅ Output: Digital High (when touched)
✅ Response Time: < 60ms
✅ Low power consumption
✅ Compact and easy to integrate
✅ LED indicator for touch detection
✅ Breadboard friendly & Arduino compatible
Applications:
🔹 Touch-based switch replacement
🔹 DIY smart home projects
🔹 Interactive exhibits & touch panels
🔹 Battery-operated devices
🔹 Home automation systems
🔹 Digital locks and custom control interfaces
