diymore | DC 3.3-5V ST009 four position LED module signal light LED module traffic light module for making traffic light system module

Features:1. The signal light adopts a mixed color of red, yellow, blue, and green, with rich and eye-catching colors.2. Adopting plug-in/patch technology to meet different welding requirements.3. Support low-level triggering, simplify circuit design and connection.4. Built in current limiting resistor to protect the LED and extend its service life.5. Wide application range, DC3.3~5V is suitable for various control platforms.Parameter:Product Name: Four digit LED ModuleMaterial: Double layer PCB board, thickness 1.6mmWorking voltage: DC3.3~5VSignal light color: red, yellow, blue, green mixed colorPCB board size: 19mmx65mmProcess: Plug in/SMTSignal light size: 10mmInterface description: VCC is connected to the positive pole of the power supply, and D1, D2, D3, and D4 are connected to the IO pins of the controllerInput method: Low level (or ground) signal, LED lights upInstallation holes: 4 fixed installation screw holes with a diameter of 3mmCurrent limiting resistor: YesPower indicator light: noneWork platform: microcontroller, ARM, etc.Package Include:1X module