Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| LED Type | WS2812B 5050 RGB |
| Input Voltage | 5V DC |
| Control Interface | Single-wire digital signal |
| Board Shape Options | Square and Round available |
| Microcontroller Compatibility | Arduino, ESP32, STM32, Raspberry Pi |
| Pixel Count | 1 Addressable LED per module |
| Operating Temperature | -20°C to +60°C |
| PCB Material | FR-4 Fiberglass |
| Mounting Hole Diameter | 3.0 mm |
| Package Includes | 1x LED Module, 1x Pin Header Strip |
Anonymous
Mar 27, 2026
Rating: 5/5
Excellent value for prototyping
Very affordable way to test WS2812 logic before committing to a full strip. The form factor is compact and fits easily into small enclosures for wearable tech projects.
Anonymous
Mar 17, 2026
Rating: 5/5
Fast shipping and great product
Arrived quickly and well-packaged. I'm using these for a custom keyboard backlight project. The ability to chain them easily makes scaling up very straightforward.
Anonymous
Mar 16, 2026
Rating: 5/5
Bright and responsive
I bought both the square and round versions. The light output is surprisingly bright for a single 5050 LED, and the color transitions are smooth when using the FastLED library.
Anonymous
Mar 13, 2026
Rating: 4/5
Solid module, watch the voltage
Works exactly as described. Just remember to use a 5V power source; connecting it directly to a 3.3V pin without level shifting can result in dim or erratic behavior. Once powered correctly, it's flawless.
Anonymous
Mar 07, 2026
Rating: 4/5
Great quality, clear instructions needed
The hardware quality is excellent and the soldering points are well-defined. However, beginners might need to look up external libraries for coding since the included documentation is minimal. Still, highly recommended.
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for learning addressable LEDs
These modules are fantastic for beginners. The built-in driver makes wiring incredibly simple, and the colors are vibrant. I used them with an Arduino Uno for a school project without any issues.
Q: What library should I use for programming?
A: The most popular libraries for controlling these modules are 'FastLED' and 'Adafruit NeoPixel'. Both are widely supported on Arduino IDE and PlatformIO.
Q: Does the round version differ electrically from the square one?
A: No, the electrical specifications and LED performance are identical. The only difference is the physical PCB shape and mounting hole placement to suit different project enclosures.
Q: Can I connect multiple modules together?
A: Yes, you can chain multiple WS2812 modules by connecting the DO (Data Out) pin of one module to the DI (Data In) pin of the next. Ensure you have a sufficient 5V power supply for the total number of LEDs.
Q: Is this compatible with 3.3V microcontrollers like ESP32?
A: While the LED operates at 5V, the data input is often tolerant of 3.3V logic. However, for reliable performance, we recommend using a logic level shifter between your 3.3V MCU and the LED data pin.
Q: Do I need an external resistor for the data line?
A: It is generally good practice to place a 330-ohm to 470-ohm resistor in series with the data input line to prevent signal reflections and protect the first LED, though many users operate them successfully without one for short runs.
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