Grove – LED Bar v2.0 長條型 10 段顯示模組 seeed原廠

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  • 商品說明


Grove LED Bar v2.0 長條型 10 段顯示模組支援 Arduino 與 Raspberry Pi seeed原廠

Grove – LED Bar v2.0 是一款10段LED顯示模塊。模塊採用LED控制芯片MY9221。可以作為指示器使用,例如顯示電池壽命、電壓、聲音等物理參數的強度。10個LED分別為1個紅色、一個黃色、一個深綠色以及7個綠色。你可以將不同的顏色對應不同的強度。模塊採用4pin Grove接口,可以方便的跟Arduino進行連接,只需要另外接一些傳感器,你就可以做出很多有趣的應用。

Grove LED Bar v2.0



  • 輸入電壓:3.3V / 5V
  • 每個LED段都可以通過代碼單獨控制
  • 顯示直觀
  • 寬電壓輸入範圍:3V-5.5V DC
  • 可用演示代碼
  • Suli兼容庫




工作電壓 3.⅗V
工作溫度 -20℃至+ 80℃
峰值發射波長-RED(電流20mA) 630-637nm
峰值發射波長 – 黃綠色(電流20mA) 570-573nm
峰值發射波長 – 黃色(電流20mA) 585-592nm
每段發光強度-RED(電流20mA) 50-70mcd
每段發光強度 – 黃綠色(電流20mA) 28-35mcd
每段發光強度 – 黃色(電流20mA) 45-60mcd
LED細分市場 10
尺寸 40mm * 20mm


Grove LED Bar v2.0 10段LED顯示模塊




  • Grove LED Bar v2.0 x1
  • Grove連接線 x1






Grove LED Bar v2.0

Grove – LED Bar is comprised of a 10 segment LED gauge bar and an MY9221 LED controlling chip. It can be used as a indicator for remaining battery life, voltage, water level, music volume or other values that require a gradient display. There are 10 LED bars in the LED bar graph: one red, one yellow, one light green, and the rest green. Demo code is available to get you up and running quickly. It lights up the LEDs sequentially from red to green, so the entire bar graph is lit up in the end. Want to go further? Go ahead and code your own effect.


  • Each LED segment can be controlled individually via code
  • Grove module
  • Plug-and-play
  • Can be cascaded for a larger display
  • Flexible power option, supports 3-5.5DC
  • Available demo code



Parameter Value/Range
Operating voltage 3.⅗V
Operation Temperature -20℃ to +80℃
Peak Emission Wavelength-RED(Current 20mA) 630-637nm
Peak Emission Wavelength-Yellow Green(Current 20mA ) 570-573nm
Peak Emission Wavelength-Yellow(Current 20mA ) 585-592nm
Luminous Intensity Per Segment-RED(Current 20mA ) 50-70mcd
Luminous Intensity Per Segment-Yellow Green(Current 20mA ) 28-35mcd
Luminous Intensity Per Segment-Yellow(Current 20mA ) 45-60mcd
LED segment 10
Size 40mm * 20mm