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CJMCU-0401 4-bit Button Capacitive Touch Sensor
$2.2800
In stock
SKU
SEN-25-004
Volume discounts:
- +50 4 % $2.1900
- +100 6 % $2.1400
- +300 8 % $2.0900
- +500 10 % $2.0500
- +1000 12 % $2.0000
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TTP223 Capacitive Touch Switch Button Previous 
CJMCU-0401 4-Channel Capacitive Touch Sensor Module is a capacitive touch IC module designed for touch detection without mechanical buttons. It provides four touch input channels, four direct output pins, and four LED indicators for touch status. The module operates with ultra-low power consumption and supports automatic calibration when idle. It is intended for use with insulated surface materials such as glass, ceramic, and plastic. The built-in noise-reduction circuit helps maintain reliable touch detection.
Features of CJMCU-0401 4-Channel Capacitive Touch Sensor Module
- 4 touch input channels
- 4 direct output pins
- 4 LED indicators
- Ultra-low power consumption
- Built-in noise immunity circuit
- Automatic calibration
Specifications of CJMCU-0401 4-Channel Capacitive Touch Sensor Module
- Input voltage: 2.0V to 5.5V
- Touch input channels: 4
- Output channels: 4 direct outputs
- LED indicators: 4 LEDs
- Max power consumption: 11.5µA
- Low power mode: 4µA
- Low power mode condition: 3V, no load
- Built-in debounce circuit
- Usable surface materials: glass
- Usable surface materials: ceramic
- Usable surface materials: plastic
- Usable surface materials: similar insulators
- Automatic calibration interval: about 4.0 sec
How to Use CJMCU-0401 4-Channel Capacitive Touch Sensor Module
- Apply an input voltage between 2.0V and 5.5V.
- Connect the four touch input channels and four direct output pins as required.
- Use the touch surface on glass, ceramic, plastic, or similar insulated materials.
- Allow the module to complete automatic calibration when no button is touched.
More Info
- Designed to replace traditional mechanical buttons.
- Supports touch interface applications for electronics and embedded systems.
| Interface Type | Digital |
|---|---|
| Operating Voltage (V) | 2.0V to 5.5V |
| Operating Current (mA) | 11.5 µA (Max), 4 µA (Low power mode at 3V) |
| Output Type | Digital |
| Sensing Method | Capacitive |
| Chipset | CJMCU-0401 |
| Channels | 4-channel |
| Sensor Model | CJMCU-0401 |
| Signal Indicator | Signal output indicator |
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