{"product_id":"hs-f08b-yellow-led-indicator-module-33v5v-ready","title":"HS-F08B Yellow LED Indicator Module – 3.3V\/5V Ready","description":"\u003ch1\u003eHS-F08B Yellow LED Signal Indicator Module – 3.3V\/5V Ready\u003c\/h1\u003e\n\n\u003cp\u003eThe HS-F08B is a compact, ready-to-use yellow LED indicator module designed for quick visual feedback in electronics projects. It accepts a standard 3.3V or 5V digital input, lighting the onboard LED when the signal is HIGH. With a built-in current-limiting resistor, it simplifies connections and ensures safe operation with most microcontrollers.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLED Color\u003c\/td\u003e\n\u003ctd\u003eYellow (peak wavelength ~590 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eDigital input (active HIGH)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e~10 mA @ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuilt-in Resistor\u003c\/td\u003e\n\u003ctd\u003eYes (sized for 5V operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003e15 mm x 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAdd a power-on or status LED to any breadboard prototype.\u003c\/li\u003e\n  \u003cli\u003eConstruct a simple logic probe for debugging TTL or CMOS circuits.\u003c\/li\u003e\n  \u003cli\u003eUse multiple modules to indicate the output state of a home automation controller.\u003c\/li\u003e\n  \u003cli\u003eCreate a visual alert system that lights up when a sensor threshold is crossed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis indicator module works seamlessly with Arduino, Raspberry Pi, ESP8266, ESP32, and any microcontroller offering a 3.3V or 5V digital output pin. It pairs directly with sensor breakout boards to show trigger events without additional components.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the VCC pin to your system’s 3.3V or 5V power, GND to common ground, and the IN pin to a digital I\/O line. When the pin is set HIGH, the LED illuminates. No external resistor is required—just three simple connections.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes, the HS-F08B includes a current-limiting resistor sized for 5V operation, allowing direct connection to any Arduino Uno digital pin.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow bright is the yellow LED?\u003c\/summary\u003e\u003cp\u003eThe LED emits a typical brightness of 100 mcd, making it clearly visible indoors for status indication without being overpowering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use multiple modules on the same board?\u003c\/summary\u003e\u003cp\u003eAbsolutely—each module operates independently. Connect several IN pins to different microcontroller outputs to build a multi‑LED indicator panel.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444992926061,"sku":"CDN-0587","price":95.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_89d1534d-4e7c-4ced-97cd-ae34c5c07370.jpg?v=1781512695","url":"https:\/\/compoden.com\/products\/hs-f08b-yellow-led-indicator-module-33v5v-ready","provider":"Compoden","version":"1.0","type":"link"}