{"product_id":"10-segment-multicolor-led-bar-graph-display-arduino","title":"10-Segment Multicolor LED Bar Graph Display Module — Red\/Yellow\/Green\/Blue, Arduino","description":"\u003ch2\u003e10-Segment Multicolor LED Bar Graph Display Module — Red \/ Yellow \/ Green \/ Blue\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003e10-segment LED bar graph display\u003c\/strong\u003e provides a compact, high-visibility visual indicator with \u003cstrong\u003e10 individual LEDs\u003c\/strong\u003e in a single inline package. Available in multicolor configurations (Red\/Yellow\/Green\/Blue), it is the standard component for \u003cstrong\u003eVU meters, battery level indicators, signal strength displays\u003c\/strong\u003e, and any application requiring a segmented bar-style visual output with Arduino or any microcontroller.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Segments\u003c\/td\u003e\n\u003ctd\u003e10 (individually addressable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Colors\u003c\/td\u003e\n\u003ctd\u003eRed, Yellow, Green, Blue (multicolor mix)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Voltage (VF)\u003c\/td\u003e\n\u003ctd\u003e~2.0V (Red\/Yellow) \/ ~3.0V (Green\/Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Forward Current (IF)\u003c\/td\u003e\n\u003ctd\u003e20mA per segment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Pitch\u003c\/td\u003e\n\u003ctd\u003e2.54mm (standard through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSIP-20 (10 anode + 10 cathode pins)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViewing Angle\u003c\/td\u003e\n\u003ctd\u003e~120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003ePin Configuration\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePins\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePins 1–10 (one side)\u003c\/td\u003e\n\u003ctd\u003eAnode (+) for segments 1–10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePins 11–20 (other side)\u003c\/td\u003e\n\u003ctd\u003eCathode (−) for segments 1–10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCurrent Limiting Resistors\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003eVF\u003c\/th\u003e\n\u003cth\u003eResistor @ 5V, 10mA\u003c\/th\u003e\n\u003cth\u003eResistor @ 3.3V, 10mA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed \/ Yellow\u003c\/td\u003e\n\u003ctd\u003e2.0V\u003c\/td\u003e\n\u003ctd\u003e300Ω (use 330Ω)\u003c\/td\u003e\n\u003ctd\u003e130Ω (use 150Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen \/ Blue\u003c\/td\u003e\n\u003ctd\u003e3.0V\u003c\/td\u003e\n\u003ctd\u003e200Ω (use 220Ω)\u003c\/td\u003e\n\u003ctd\u003e30Ω (use 33Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This LED Bar Display?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 Independent Segments\u003c\/strong\u003e — Each LED individually controlled for precise level indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulticolor\u003c\/strong\u003e — Red\/Yellow\/Green\/Blue color zones provide intuitive visual feedback (e.g., green=safe, red=danger)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.54mm Pitch\u003c\/strong\u003e — Breadboard and PCB compatible; standard through-hole footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Brightness\u003c\/strong\u003e — Visible in ambient light for panel-mount indicator applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino Compatible\u003c\/strong\u003e — Drive directly from GPIO with current-limiting resistors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAudio VU meter (volume unit level display)\u003c\/li\u003e\n\u003cli\u003eBattery charge level indicator (0–10 segments = 0–100%)\u003c\/li\u003e\n\u003cli\u003eWiFi\/signal strength bar display\u003c\/li\u003e\n\u003cli\u003eTemperature or sensor value bar graph\u003c\/li\u003e\n\u003cli\u003eProgress indicator for loading or process completion\u003c\/li\u003e\n\u003cli\u003eLM3914\/LM3915 dot\/bar display driver output\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino Example (LM3914 Driver)\u003c\/h3\u003e\u003cp\u003eFor automatic analog-to-bar conversion, use \u003cstrong\u003eLM3914\u003c\/strong\u003e (linear) or \u003cstrong\u003eLM3915\u003c\/strong\u003e (logarithmic\/dB) driver IC. Connect analog input to LM3914 IN pin; outputs Q1–Q10 drive LED bar segments directly. No MCU code required for basic VU meter.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I drive this LED bar directly from Arduino GPIO?\u003c\/strong\u003e\u003cbr\u003eA: Yes — connect each anode to an Arduino GPIO pin via a 330Ω resistor (for red\/yellow) or 220Ω (for green\/blue). Connect all cathodes to GND. Use \u003ccode\u003edigitalWrite(pin, HIGH)\u003c\/code\u003e to light each segment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I make a VU meter with this bar display?\u003c\/strong\u003e\u003cbr\u003eA: Use LM3914 (linear scale) or LM3915 (logarithmic, better for audio dB). Connect audio signal to IN pin, adjust RHI\/RLO for full-scale range. Alternatively, use Arduino analogRead() + map() to control segments via GPIO.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× 10-Segment Multicolor LED Bar Graph Display\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"1PCS","offer_id":46991507914987,"sku":"200055261:201712810#1PCS","price":4.16,"currency_code":"USD","in_stock":true},{"title":"5PCS","offer_id":46991507947755,"sku":"200055261:201712811#5PCS","price":8.36,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":46991507980523,"sku":"200055261:200000710#10PCS","price":15.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/10-segment-multicolor-led-light-bar-display-module-b10brygb.webp?v=1761529425","url":"https:\/\/keszoox.com\/products\/10-segment-multicolor-led-bar-graph-display-arduino","provider":"Keszoox","version":"1.0","type":"link"}