TOUCH SENSOR MODULE KY-036

Description

The KY-036 Touch Sensor Module is a metal touch / human touch detection sensor that works by sensing small changes in electrical conductivity when you touch its metal probe. It is commonly used in Arduino, ESP32, and DIY electronics projects as a simple touch input switch.

Key Features

• Detects touch through a metal probe (finger or conductive object)
• Digital + analog output for flexible use
• Adjustable sensitivity using onboard potentiometer
• Built-in comparator (LM393) for stable switching
• Works with 3.3V and 5V microcontrollers
• Simple 3–4 wire interface (VCC, GND, D0, A0)
• Fast response touch detection
• LED indicator for power and trigger status
• Suitable for interactive and control applications
• Compact and breadboard-friendly design

Specifications

1. Product Type: Metal / Human Touch Sensor Module
2. Model: KY-036
3. Operating Voltage: 3.3V – 5V DC
4. Output Type: Digital (D0) + Analog (A0)
5. Sensor Type: Capacitive / conductivity-based touch detection
6. IC Used: LM393 comparator + transistor sensing circuit
7. Sensitivity Control: Onboard potentiometer
8. Response Time: Instant (low-latency switching)
9. Indicator LEDs: Power LED + Trigger LED
10. Connection Pins: VCC, GND, D0, A0 (4-pin interface)
11. Board Size: ~35–45 mm length (typical variant)
12. Operating Temperature: -20°C to +60°C
13. Application: Touch switches, interactive panels, Arduino projects, security inputs, DIY electronics control systems