PIXIE PRO is a chainable, 5x7 LED dot-matrix display platform that offers full bitmap control with 7-bit global PWM and high refresh rates!
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PIXIE PRO IS VERSATILE With an easy to use Arduino library, you can quickly control up to a few dozen chained Pixies with only 2 GPIO on your Arduino / ESP8266 / ESP32/ SAMD! This means that showing …
Read More…With an easy to use Arduino library, you can quickly control up to a few dozen chained Pixies with only 2 GPIO on your Arduino / ESP8266 / ESP32/ SAMD! This means that showing the time, a stock price, a notification - or any bitmap data you can throw at it - is quick and easy!
Just take a look at how simple it is to write to a chain of displays in this Arduino example:
#include "Pixie.h"
#define NUM_PIXIES 6 // PCBs, not matrices
#define CLK_PIN 14 // Any digital pin
#define DATA_PIN 12 // Any digital pin
Pixie pix(NUM_PIXIES, CLK_PIN, DATA_PIN, PRO); // Set up display buffer
void setup() {
pix.begin(); // Init display drivers
}
void loop() {
pix.clear();
// Show floating-point seconds to two decimal places
pix.push( millis()/1000.0, 2 );
pix.show();
}
Several other ready-to-use examples are also included the Pixie Arduino library, such as animations and brightness control. Included is a Getting Started Guide that will walk you through the setup and installation of your new Pixies!
Pixie Pro isn't just great at showing the full alphanumeric ASCII set, it also has over 220 additional icons/symbols, such as global currency symbols, weather states, schematic symbols, diacritics (àãåâä) and various typographic icons such as the Pi symbol or a Mu. For anything else, Pixie has an easy to use Icon Generator included with the library!
With a very comprehensive hardware datasheet and HTML software documentation included in the Arduino library, any problems you may face or custom firmware you'd like to write are easily overcome.*
With a max bitrate of 143KHz, you can update a chain of 6 Pixies (12 displays) at over 200FPS on an ESP8266. This means buttery-smooth scrolling and quick animations!
In our packed GitHub repo, you'll find an EAGLE library with schematic symbol and footprint to directly add Pixies into your own PCB designs!
With 9 years of experience with C++ and hardware design, Lixie Labs is your first stop for support of our products. (We're especially quick to reply on Twitter) Having designed the Pixie Pro myself, along with its firmware, I know everything about these displays. If you run into a problem, please reach out to us first before leaving a review, because we're more than happy to help fix it or send replacements! We've been selling on Tindie since 2014, and processed over 400 orders across every inhabited continent!
No worries! Depending on how many you order (up to 10) we'll be sending a free custom-fit 3D printed mounting base! You'll just need two M2.5 machine screws and nuts (3-56 is the closest Imperial equivalent) for each Pixie! You can see the printed base in use in the first GIF of this listing.
Let's say you need a 6 Pixie base but can't order all 6 of them at the same time - just let us know in your order's Special Instructions form during the checkout process and we'll still hook you up!
You'll need a compatible AVR, ESP8266, ESP32, or SAMD microcontroller (We recommend the Wemos D1 Mini) and 4 female-to-female jumper wires for each purchased Pixie in the chain!
Yes there is! It is right here on GitHub, and requires an ESP8266-based microcontroller. It even supports automatically dimming the Pixies at night so they don't light up the whole room!
This is because the Pixie's LED matrix driver only supports up to 4 different I2C addresses, meaning that on its own you could only have 4 Pixies in a chain without an I2C multiplexer. (You'd also need to worry about I2C pullup resistors and manually wiring the address select pin of each unit accordingly) The ATTINY45 simplifies this by having each Pixie have the same I2C address for the driver (that each ATTINY always uses) and passing data down the chain similar to how the WS2812B/Neopixel LEDs do. After 1ms since the last clock pulse, the internal display buffer is latched and the updated bitmap is then quickly sent by each ATTINY directly to each LED driver over an on-board I2C connection.
No problem! Contact us directly to set up bulk ordering, and please make sure to maintain attribution of Lixie Labs in your final product.
The 70 LEDs on each are 0402 and each Pixie PCB is only 20.6mm wide!
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Christian | May 5, 2021
Brian | April 23, 2021
Brad | Feb. 9, 2021
Matthew | Nov. 14, 2020
Dale | Oct. 10, 2020
Junmin | Aug. 7, 2020
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