SparkFun
OctoWS2811 Adapter for Teensy 3.x & 4.x
· MPN: PRT-28372
Build large LED displays with a Teensy using this OctoWS2811 adapter board. It connects Teensy 3.2 through 4.1 boards to thousands of WS2811, WS2812 or NeoPi...
Build large LED displays with a Teensy using this OctoWS2811 adapter board. It connects Teensy 3.2 through 4.1 boards to thousands of WS2811, WS2812 or NeoPixel-compatible LEDs, with support for driving up to eight strips in parallel via the high-speed OctoWS2811 Library.
The adapter acts as an active signal buffer, using a 74HCT245 buffer chip to boost the Teensy's 3.3V logic signals to the 5V level required by most LED strips. This helps provide reliable signalling for larger installations and longer cable runs.
Dual RJ-45 Ethernet jacks work with onboard 100Ω impedance-matching resistors and standard CAT6 Ethernet cable for clean, high-bandwidth signal routing with minimal cross-talk. The RJ-45 connections also make LED arrays easy to connect and disconnect from the main controller.
Teensy 3.2 and 4.0 boards can mount directly on top of the adapter using standard stacking headers or a header/socket pair. Larger Teensy 3.5, 3.6 and 4.1 boards are also compatible when raised with double-insulator pins and sockets so the board clears the RJ-45 connectors.
This adapter is suited to art installations, stage props, light shows and other projects that need many addressable LEDs driven from a Teensy.
Jargon buster
Plain-language definitions for the technical terms used above.
- Headers
- Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- NeoPixel
- A type of addressable LED system where colour data is sent along a single digital data line from one LED or controller to the next. Compatibility matters because the timing and signal format must match for the lights or driver board to respond correctly.
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