![]() We recommend reading the following pages for more information (especially when using multiple LED matrices): Powering Neopixels and Adafruit NeoPixel Überguide. A stable voltage is essential to make the LEDS work stable, and to prevent damaging them. We do not recommend using these, often cheap (Chinese), power supplies because they generally do not provide a stable voltage. *There are many power supplies on the market that have a China Export ("fake" CE marking) or carry a CE marking, but are in reality not CE approved. Put a large capacitor ( 1000μF 25V) between GND and the power wire, close to the start of the matrix.Connect the GND of the matrix and power supply to the GND of the microcontroller.Connect all power supply wires to the plus of the power supply.Connect the data (DI) wire via a 470Ω with the signal pin of the microcontroller (a level converter may be needed with 3.3V microcontrollers), or the data out (DO) wire from another matrix. Power supply Development board for controlling the LEDs Resistor (470) to limit the current of the data line Electrolytic capacitor (1000F 25V) as buffer.First, connect all GND (ground/min) wires of the LED matrix to the GND of the power supply (disconnect this last when disconnecting the matrix).Connect the wires (meaning wire color is indicated on the PCB):.Use a stable ( CE approved*) power supply that can supply sufficient power ( minimum is current value above per LED matrix).Connection wires are soldered to the PCB.įor more information about the LED chip, see the datasheet under the tab "Downloads". The LEDs are soldered on a flexible PCB in a zig-zag pattern. ![]() Various platforms provide support for this LED by means of libraries, including Arduino and Raspberry Pi. A lot of LEDs can be placed in sequence and all can be controlled with 1 pin of a microcontroller. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |