Capacitive sensing touch head module 0-10v LED touch dimming switch module human body sensing module

Product Introduction

The touch dimming module can achieve touch switch control and brightness adjustment of LED lights. It has the following functional characteristics and advantages:

1. The brightness of the lighting can be adjusted as needed, with a wide selection range and simple and convenient operation.

2. Touch function can be achieved with medium (such as glass, acrylic, plastic, ceramic, etc.) isolation protection, with high safety.

3. The application voltage range is wide, and can be freely selected between 2.4~4.5V.

4. The application circuit is simple, with few peripheral components, easy processing, and low cost.

5. Good resistance to power interference and mobile phone interference. EFT can reach ± 2KV or above; Under close range and multi angle mobile phone interference, touch response sensitivity and reliability are not affected.

6. Installation:

No direct contact with copper foil is required, dimming can be achieved through acrylic glass or plastic with a thickness of 3mm or more.

7. Purpose:

Can control LED modules, light strips, and other products. Suitable for indoor desk lamps, LED lighting dimming, DIY car light dimming modification ideal accessories.

8. Function: Single line touch, utilizing the principle of capacitive touch, with sensitive sensing at your fingertips. The default is an LED with switch function, dimming function, and brightness memory that gradually brightens and dims.

Touch the stepless dimming function. When turning on the light, it gradually brightens up, and when turning off the light, it gradually darkens, effectively avoiding eye irritation.

9. Dimming mode:

Stepless PWM dimming

10. Wiring method: In the PCB board, (VCC, GND) is the power input, (LED+, LED -) is connected to the positive and negative stages of the LED light (fingerprint) is connected to the touch area, and can also be wired out (note that the wiring should not be too long, and it is recommended to use a small copper sheet as the sensing area after the wire is wired out). The recommended copper sheet area is about 2x3cm. The board comes with a copper foil module that attaches one side of the copper foil to the side of the shell

Product Features

Debugging tips

If there is a false trigger or no trigger during debugging, it may be caused by the following reasons:

a) The touch line is too thick

b) Touch line too long

c) The copper skin is not big enough

d) Interference near the switch power supply end

e) Touch parameter C1 is unreasonable

The LED touch stepless dimming function without brightness memory is as follows:

△ When initially powered on, the light is in the off state.

△ When the touch is clicked (with a touch duration of less than 550ms), the light can be controlled to turn on or off. One click touch, the light will turn on; Click touch again and the light will turn off. Such a cycle. When the light is turned on or off, there is no brightness buffer. And the initial brightness of the lighting is fixed at 50% of the full brightness.

△ Long press touch (touch duration greater than 550ms) can achieve stepless brightness adjustment of the light. Long press and touch once, the brightness of the light gradually increases. When released, the brightness of the light stops at the corresponding brightness at the time of release. If the long press time exceeds 3 seconds, the brightness of the light will reach its maximum brightness and will no longer change; Press and hold the touch again, and the brightness of the light gradually decreases. When released, the brightness of the light stops at the corresponding brightness at the time of release. If the press and hold time exceeds 3 seconds, the brightness of the light will reach its minimum brightness and will no longer change. Such a cycle.

△ Click touch and long press touch can be used at any time without interference or limitation in their functions.

The LED touch stepless dimming function without brightness memory gradually brightens and dims is based on the LED touch stepless dimming function without brightness memory suddenly brightens and dims. When clicking the touch to turn on and off the light, the light slowly and smoothly transitions from a lower brightness to the initial brightness when turning on. When clicking the touch to turn off the light, the light slowly and smoothly decreases from the current brightness until it turns off, thus achieving a visual buffering effect of slow brightness changes and protecting the eyes and vision.

The LED touch stepless dimming function with brightness memory gradually brightens and dims adds brightness memory function on the basis of the LED touch stepless dimming function without brightness memory gradually brightens and dims. When the power supply is not powered on, the brightness at each touch to turn off the light will be remembered, and the next touch to turn on the light will use this brightness as the initial brightness. In the event of a power outage, the first touch to turn on the light after powering it back on will result in a fixed initial brightness of 50% of the full brightness.

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