Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
LED Type	WS2812B 5050 RGB
Board Shape	Square
Operating Voltage	5V DC
Control Interface	Single-wire digital signal
Compatible Platforms	Arduino, ESP32, Raspberry Pi, STM32
LED Count	1 Integrated Full-Color LED
PCB Material	FR-4 Fiberglass
Mounting Hole Diameter	3.0 mm
Dimensions	20mm x 20mm
Application	DIY Electronics, Lighting Effects, Prototyping

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Perfect for quick prototyping

This little square module is exactly what I needed for testing WS2812 code without soldering a whole strip. The colors are vibrant and the library examples work instantly with Arduino.

Anonymous

Mar 30, 2026

Rating: 4/5

Good value, clear instructions needed

The hardware quality is solid and the LED is bright. I deducted one star because it didn't come with a pinout diagram printed on the back, but a quick Google search solved that.

Anonymous

Mar 24, 2026

Rating: 5/5

Great for learning embedded systems

I bought five of these for my students. They are robust enough to handle beginner mistakes and the single-pin control makes wiring very simple. Highly recommended for education.

Anonymous

Mar 24, 2026

Rating: 5/5

Easy to start with

As someone new to electronics, this was a great starting point. It's small, simple to connect, and seeing the rainbow effect work immediately was very satisfying.

Anonymous

Mar 12, 2026

Rating: 5/5

Bright and responsive

Used this to test a new lighting algorithm before deploying to a larger matrix. The response time is instant and the color accuracy is surprisingly good for the price point.

Anonymous

Mar 04, 2026

Rating: 4/5

Solid build quality

The PCB feels sturdy and the soldering points are well-tinned. It works perfectly with my ESP32 project. Just make sure you use a 5V power source, not 3.3V directly for brightness.

5 FAQ

Q: Is a level shifter required when using this with a 3.3V microcontroller?

A: While many 3.3V controllers like the ESP32 can drive WS2812s directly, for long data lines or unstable environments, a logic level shifter (3.3V to 5V) is recommended to ensure reliable signal transmission.

Q: Which Arduino library is best suited for this module?

A: The 'FastLED' library and the standard 'Adafruit NeoPixel' library are both fully compatible and highly recommended for controlling this WS2812-based module.

Q: Can this module be daisy-chained with other WS2812 devices?

A: Yes, absolutely. Since it uses the standard WS2812 protocol, you can connect the DO (Data Out) pin to the DI (Data In) of another LED strip or module to create a chain.

Q: Does this board come with header pins pre-soldered?

A: No, the module is shipped without header pins to keep shipping costs low and allow flexibility in mounting. You will need to solder your own headers or wires to the through-holes provided.

Q: What is the maximum current draw for this single LED module?

A: At full brightness with all three RGB channels at maximum white, the current draw is approximately 60mA. We recommend using a 5V 1A power supply if you plan to chain multiple modules.

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