LED Driver with Capacitive Touch Interface

Overview

This module can control LED lamps or bulbs. To use, press once the copper lines in order to switch on and the next press will turn off the lights. A press takes maximum of 550 ms. The initial light intensity is set to 90%. To control the degree of intensity, it requires a long press (more than 550 ms). For the first long press, the bulb will light and gradually become stronger. The next time prolonged, the light bulb will decrease in intensity gradually so you can set precisely the preferred intensity to your eyes.

For user connects VCC and GND pins to power or ground, and pins LED + and LED terminals LED. The supply voltage of the module should be between 2.4 V and 4.5 V. 

The lamp brightness can be adjusted using capacitive touch sensor. It operates at +/- 2KV and it cannot be triggered accidentally. This can be achieved by directly operate the copper layer.

Specifications

• Voltage: 2.4 V to 4.5 V
• Capacitive Sensor
• Dimension: 23 mm x 20 mm
• Current Consumption: 500 mA

It can be used with acrylic glass plate over the touch pad. We have capacitance values ​​according to the thickness of the glass:

• 3mm -> 0.01UF / 25 V
• 3-6mm -> 0.02uF / 25 V
• 6-10mm -> 0.047uF / 25 V

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