{"product_id":"yellow-led-3mm-diffused-general-purpose-10-pack","title":"Yellow LED 3mm Diffused — General Purpose, 10-Pack","description":"\u003ch2\u003eYellow LED 3mm Diffused — General Purpose, 10-Pack for Arduino, Breadboard \u0026amp; Compact PCB Projects\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e3mm diffused yellow LED\u003c\/strong\u003e is the compact general-purpose warning and status indicator LED for Arduino, breadboard, and space-constrained PCB projects. At \u003cstrong\u003e3mm diameter\u003c\/strong\u003e, this LED fits into tight PCB layouts and compact enclosures where standard 5mm LEDs are too large. Yellow is the universal caution\/warning color in electronics — instantly communicating a standby, processing, or warning state to the user.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003ediffused lens\u003c\/strong\u003e scatters light evenly across a wide viewing angle, providing omnidirectional visibility. Yellow LEDs have a forward voltage of approximately 2.0–2.2V, making them compatible with both 3.3V and 5V Arduino circuits with a current-limiting resistor. Supplied in a \u003cstrong\u003e10-pack\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3mm through-hole package\u003c\/strong\u003e — compact size for space-constrained PCB layouts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiffused lens\u003c\/strong\u003e — wide viewing angle (~120°)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYellow color\u003c\/strong\u003e — universal caution\/warning\/standby indicator color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward voltage ~2.0–2.2V\u003c\/strong\u003e — compatible with 3.3V and 5V circuits\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e10-pack\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use with Arduino\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConnect the \u003cstrong\u003eanode (longer leg)\u003c\/strong\u003e to an Arduino digital output pin through a \u003cstrong\u003e220–330Ω current-limiting resistor\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnect the \u003cstrong\u003ecathode (shorter leg)\u003c\/strong\u003e to GND\u003c\/li\u003e\n\u003cli\u003eSet the digital pin HIGH to turn on, LOW to turn off\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarning and caution indicators\u003c\/strong\u003e — yellow is the universal caution\/warning color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraffic light Arduino projects\u003c\/strong\u003e — yellow signal in traffic light projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby and processing indicators\u003c\/strong\u003e — indicates system is active but not ready\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact PCB status indicators\u003c\/strong\u003e — warning and mode indicators on miniature PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWearable electronics\u003c\/strong\u003e — small LED indicators for wearable devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducational electronics kits\u003c\/strong\u003e — STEM and electronics learning projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3mm (T-1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Yellow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens:\u003c\/strong\u003e Diffused\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Voltage (Vf):\u003c\/strong\u003e ~2.0–2.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Current (If):\u003c\/strong\u003e 20mA (typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViewing Angle:\u003c\/strong\u003e ~120° (diffused)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e Through-hole, 2-pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Keszoox\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672752873707,"sku":"","price":6.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LED-3mm-Yellow-10-Pack.jpg?v=1723008021","url":"https:\/\/keszoox.com\/products\/yellow-led-3mm-diffused-general-purpose-10-pack","provider":"Keszoox","version":"1.0","type":"link"}