Adafruit
Adafruit Pixel Shifter - For Addressable LEDs
· MPN: ADA6066
The Adafruit Pixel Shifter is a simple inline level-shifting board for addressable LEDs like NeoPixels (WS2812, SK6812) and similar one-wire-control pixels. ...
The Adafruit Pixel Shifter is a simple inline level-shifting board for addressable LEDs like NeoPixels (WS2812, SK6812) and similar one-wire-control pixels. It solves the common problem of 3.3V microcontrollers not being able to reliably drive 5V LED strips — no more flickering or strange colour behaviour from voltage mismatch.
The board includes a 5V voltage generator, two level shifters, and one inverter output (for TM1814-style LEDs that expect inverted signals). All connections use 0.1" screw terminal blocks for solder-free wiring with 18–26 AWG solid or stranded wire. There's even a built-in NeoPixel on the data line that acts as a signal debugger — if it lights up, your data is getting through.
Key Features
- Dual Level Shifter – Shifts two signal lines from 3.3V to 5V logic using a 74HCT2G34
- Inverted Output – One channel also provides an inverted signal for TM1814 and similar LEDs
- On-Board 5V Generator – Only draws a few milliamps; accepts 3–5V input power
- Screw Terminal Connections – Solder-free wiring for 18–26 AWG wire
- Signal Debugger NeoPixel – Built-in single LED on the data line confirms valid signal; disable by cutting a trace on the back
- Fast Signal Handling – Supports up to 10 MHz (LED strips typically use ~800 KHz)
Compatible With
- NeoPixel (WS2812, WS2811, SK6812) strips, grids, rings, and matrices
- TM1814 inverted-signal LEDs (via inverter output)
- Any 3.3V logic microcontroller: RP2040, ESP32, ESP8266, STM32, SAMD, Raspberry Pi
- WLED firmware projects
Ideal For
- Fixing flickering NeoPixels driven by 3.3V boards
- Solder-free inline wiring for LED installations
- Quick signal verification with the on-board debug NeoPixel
- TM1814 LED setups that require inverted data signals
Package Contents
- 1× Adafruit Pixel Shifter (assembled with screw terminals)
Jargon buster
Plain-language definitions for the technical terms used above.
- AWG
- American Wire Gauge is a numbering system for wire thickness, where a lower number means a thicker wire. The AWG rating matters because thicker wire can usually carry more current with less voltage drop and heating.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- 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.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- 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.
- RP2040
- A microcontroller chip used on many maker boards, with enough speed and flexible I/O for some camera and display projects. Compatibility with RP2040 matters because camera modules often need many pins and careful timing to read image data successfully.
- STM32
- STM32 is a family of microcontroller chips commonly used in embedded electronics. Knowing a product uses an STM32 can help when looking at firmware updates, pin connections, or low-level serial control options.
Find this product in
Brands
Components
Related Tutorials
Free guides on learn.littlebird.com.au
