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Diode LED 5mm RGB WS2811 addressed - 10pcs.
LED 5 mm RGB WS2811 with integrated control unit allows you to control the device via a 1-wire bus.
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Specification
- Supply voltage: 5 V
- Supply current If: 50 mA
- Lens diameter: 5 mm
- The choice of colors from 24-bit palette
- Controlled through digital interface 1-wire with the possibility of connecting several devices on one line
- Has an individual address of the device
Description
Package of ten RGB LEDs, through which you can easily add colorful visuals to your project. The LED includes a built-in controller that allows you to control with one line connected to a microcontroller, e.g.Arduino,STM32or Raspberry Pi. Because each LED has an individual address on the same bus, you can connect several elements.
Connection
The LED has four pins, as shown in the photo below. When the connection is enabled by default it lights up in blue color.
| Pin | Description |
|---|---|
| 5V | The supply voltage of 5 V. |
| GND | The ground of the system. |
| DIN | The control input that must be connected to the controller, or to a prior LED in the chain. |
| DOUT | Additional output for connection of another LED. |
Tips to protect your diode
- Never connect voltage higher than: 5 V.
- Connect: a capacitor with capacity not less than 10 UF between the power pins.
- Avoid changes in work if the power is turned on.
- Use wires as short as possible on the line of control between the LEDs and the microcontroller.
- Consider the use of a resistor in the range of: 100 Ohms to 1000 Ohms on data lines between the microcontroller and diode, in order to reduce noise and prevent accidental powering LEDs with the contact of the processor.
Attention! LEDs can blow if the voltage exceeds the permissible value. Test company, Pololu states that the supply voltage of 6 Volts can cause permanent destruction of the diode. |
Communication Protocol
LEDscontrolled with easy, fast communication Protocol. The default state of the bus 0 (low). For setting the color, you pass a series of pulses, where each state that high is one bit: a short pulse (0.35 MS) - zero, long (0.9 MS) - the logical unit. The interval between successive rising slopes shall be 1.25 µs. After submitting the sequence, the line is held low for 50 µs.
The color is transferred in three digit RGB (red-green-blue). The brightness of each color is encoded in a series that are transferred 8-bits where the most significant is transmitted first. This means that in order to encode the full color it should be converted to 24 bits. The first sequence applies to the LEDs located closest to the controller, and the other second in the chain etc.
The used Protocol provides a fast update of the provisions of a number of LEDs in the chain. Developed by PololuArduino library that allows you to change the state of the 30 LEDs in line of 1.1 MS. After the installation of the corresponding color, each LED can hold up to the moment of sending a new sequence, or until power is turned off.
Video
Useful links
| Name | Value |
|---|---|
| Nominal power | 0.05 |
| LED - type | WS2811 |
| LED lens | mat |
| LED wavelength | RGB |
| Width | 5 cm |
| Height | 7 cm |
| Depth | 0.5 cm |
| Weight | 0.004 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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