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Category:Touch module
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S1 | S2 | Operating mode | IC2 | Sensitivity |
No welding | No welding | Suddenly bright and dark without memory, stepless dimming | 5-30NF | The larger the value, the better the sensitivity |
No welding | welding | Gradually brighten and dim without memory, stepless dimming | 5-30NF | The larger the value, the better the sensitivity |
welding | No welding | With memory fade in and fade out, stepless dimming | 5-30NF | The larger the value, the better the sensitivity |
welding | welding | Three-level dimming, low->medium->high->off | 30NF | Default capacitance |
Memory mode: The module's last brightness is set to the default brightness when the system is powered on, and the default memory default value will be lost when the system is powered off.
Gradually brighter and dimmer: When the light is turned on, the brightness of the light gradually reaches the set brightness, and when the light is turned off, the light brightness gradually turns off.
Suddenly dimmed: The brightness of the light directly reaches the set brightness when the light is turned on, and the light is directly turned off when the light is turned off
Long press touch: realize stepless dimming. Once long press the touch, the brightness of the light gradually increases, when it is released, the brightness of the light stops at the brightness at the moment of release, and long press the touch again, the brightness of the light gradually decreases, and the brightness of the light is reduced when it is released Stopped at the moment of release. Suitable for occasions such as motor speed regulation and output voltage regulation.
Common anode wiring method:
For example, to control a 12V light strip: The positive pole of the 12V power supply is connected to the VCC of the module. The negative terminal is connected to the GND of the module. The positive pole of the controlled light strip is connected to the VCC of the module. The negative terminal is connected to the OUT of the module. After power on, you can control the light strip by touching the module with your finger, and long-press the touch to adjust the brightness of the light.
For example, to control the speed of a 12V motor: the positive pole of the 12V power supply is connected to the VCC of the module. The negative terminal is connected to the GND of the module. The positive pole of the controlled motor is connected to the VCC of the module. The negative terminal is connected to the OUT of the module. After power on, you can control the motor by touching the module with your finger, and long-press the touch to control the motor speed.
Control interface: a total of 3 pins (VCC, GND, OUT), VCC is the power supply, GND is the ground, and OUT is the digital signal output pin;
LED indicator: the green (blue) light is on when the power is on, and the red light on the touch sensor output is on.
Touch area: the inner area of the icon similar to a fingerprint, which can be triggered by a light touch of a finger.
Positioning holes: 2 M2 screw positioning holes with a diameter of 2mm, which makes the module easy to install and position and realize the combination between modules
Application: 12V light bar (LED) brightness adjustment touch control. 5-20V DC motor speed control.