TTP226 - 8 Channel Capacitive Touch Sensor Module
Description:
TTP226 8-Channel Capacitive Touch Sensor Module is a highly responsive touch input module that replaces traditional mechanical buttons with capacitive touch sensing technology. This module is based on the TTP226 touch detection IC, designed to detect human touch through capacitive sensing, offering better durability, reliability, and flexibility compared to mechanical switches.
Features:
1. 8 capacitive touch input keys
2. Highly sensitive and stable touch detection
3. Digital output signals (Active Low)
4. Long lifespan with no mechanical wear
5. Easy to interface with microcontrollers like Arduino, Raspberry Pi, ESP32, etc.
6. Compact and easy-to-use design
7. Adjustable sensitivity via external capacitor
8. Low power consumption
9. Multi-key or single-key operation mode selectable
Specifications:
| IC Used | TTP226 Capacitive Touch Sensor IC |
| Number of Touch Keys | 8 Channels |
| Operating Voltage | 2.4V to 5.5V DC |
| Output Type | Digital Signal (Active Low when touched) |
| Output Modes | Direct Output Mode / Serial Output Mode |
| Output Pins | OUT1 to OUT8 (Direct Output for each key) |
| Response Time | Typically < 60ms |
| Operating Temperature | -20°C to +70°C |
| Dimensions | 49mm x 49mm x 7mm |
| Output Level | Logic LOW (Active Touch Detection) |
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