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  1. Parts
  2. /Displays
  3. /LED displays

38mm 8x8 Square Matrix LED - Green Common Anode

OverviewWiringAlternates
38mm 8x8 Square Matrix LED - Green Common Anode - Seeed Studio - 104990125

38x38 mm green common-anode 8x8 LED matrix. Specs: 40 mcd luminous intensity, 25 mA forward current max, 100 mA peak, 5V reverse max. Operating range -35°C to 85°C. Compatible with Rainbowduino driver platform.

Parts tray full · 5 max · remove a part to add another
38mm 8x8 Square Matrix LED - Green Common Anode — Seeed Studio — 104990125

Offers

  • ?DigiKey$4.95
  • Seeed Studio$4.95

Offers

  • ?DigiKey$4.95
  • Seeed Studio$4.95

Pinout

Logical pinout · physical placement not verified
38MM 8X8 SQUARE MATRIXA1K1A2K2A3K3A4K4A5K5A6K6A7K7A8K8
  • A1
    Type · Analog
  • A2
    Type · Analog
  • A3
    Type · Analog
  • A4
    Type · Analog
  • A5
    Type · Analog
  • A6
    Type · Analog
  • A7
    Type · Analog
  • A8
    Type · Analog
  • K1
    Type · Signal
  • K2
    Type · Signal
  • K3
    Type · Signal
  • K4
    Type · Signal
  • K5
    Type · Signal
  • K6
    Type · Signal
  • K7
    Type · Signal
  • K8
    Type · Signal
PinType
A1Analog
A2Analog
A3Analog
A4Analog
A5Analog
A6Analog
A7Analog
A8Analog
K1Signal
K2Signal
K3Signal
K4Signal
K5Signal
K6Signal
K7Signal
K8Signal
Logical pinout · physical placement not verified
38MM 8X8 SQUARE MATRIXA1K1A2K2A3K3A4K4A5K5A6K6A7K7A8K8

Pin details

16 connections
  1. A1
    Analog
  2. A2
    Analog
  3. A3
    Analog
  4. A4
    Analog
  5. A5
    Analog
  6. A6
    Analog
  7. A7
    Analog
  8. A8
    Analog
  9. K1
    Signal
  10. K2
    Signal
  11. K3
    Signal
  12. K4
    Signal
  13. K5
    Signal
  14. K6
    Signal
  15. K7
    Signal
  16. K8
    Signal

Start wiring

I2C · SPI · Single data line · 5 V · 3.3 – 5 V · Bare

Verify supply voltage and logic levels before powering up.

Module pins: A1, A2, A3, A4, A5, A6, A7, A8. Schematik maps them to your board in the app.

LED displays

88 other options

Adafruit HT16K33 backpacks, MAX7219 daisy-chains, NeoPixel and DotStar grids, HUB75 RGB matrix panels, charlieplexed arrays, bare clock displays, and two VFD character modules — almost 90 parts, none wired the same way.

View all 88
  • "Shake" 8x8 LED Matrix visual preview

    "Shake" 8x8 LED Matrix

  • 10-Segment LED Bar Graph - Red visual preview

    10-Segment LED Bar Graph - Red

  • 11x1 VFD Display Module visual preview

    11x1 VFD Display Module

  • 11x7 LED Matrix Breakout visual preview

    11x7 LED Matrix Breakout

  • 13x13mm Light Bar - Amber visual preview

    13x13mm Light Bar - Amber

  • 13x13mm Light Bar - Super Bright Red visual preview

    13x13mm Light Bar - Super Bright Red

  • 13x13mm Light Bar - Yellow Green visual preview

    13x13mm Light Bar - Yellow Green

  • 20mm 8x8 Square Matrix LED - Red visual preview

    20mm 8x8 Square Matrix LED - Red

  • 20x2 VFD Display (VFD29-2002I) visual preview

    20x2 VFD Display (VFD29-2002I)

  • 24x8 LED Matrix (Red) - FireBeetle Covers visual preview

    24x8 LED Matrix (Red) - FireBeetle Covers

  • 24x8 LED Matrix (Yellow) - FireBeetle Covers visual preview

    24x8 LED Matrix (Yellow) - FireBeetle Covers

  • 3-Wire LED Module 8-Digital (Arduino Compatible) visual preview

    3-Wire LED Module 8-Digital (Arduino Compatible)

Related groups

4 groups
0.71" Round LCD Display Module - 160x160, SPI, 65K Colors visual preview

TFT & LCD

16×2 and 20×4 character LCDs (parallel, I2C backpack, Qwiic, Grove), SPI TFTs from 0.71 to 3.5 inches, and large DSI and HDMI capacitive-touch panels up to 13.3 inches.

Displays · TFT & LCD displays · 189 parts

1.02" E-Ink Display Module - 128x80, Black/White, SPI visual preview

E-paper

Waveshare makes up the large majority of parts here and often sells the same panel twice: once as a raw display needing a separate driver board, and once as a module or HAT+ with the SPI controller attached.

Displays · E-paper displays · 101 parts

0.49inch OLED Display Module, 64×32, I2C visual preview

OLED

About 30 parts: monochrome I2C modules from 0.49 to 1.3 inches, SPI/I2C grayscale and 65K-color RGB panels up to 1.5 inches, a transparent OLED, and ecosystem-specific units for Raspberry Pi, FireBeetle and M5Stack Grove.

Displays · OLED displays · 30 parts

1.75mm PLA (1kg) - Black visual preview

3D printing

DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.

Tools & prototyping · 3D printing · 53 parts