The Automatically Flashing LED Module provides an easy way of adding dynamic, multicoloured light to any project. Featuring a 5mm round LED, it automatically cycles through seven colours—red, green, blue, yellow, purple, cyan, and white—thanks to an integrated flashing chip. Operating at 3.0-5.0V with a current draw of up to 25mA, this module starts flashing as soon as power is applied, no microcontroller or coding required. It can be controlled via microcontroller using a transistor. Its compact design (typically 18mm x 11mm board size) and three-pin interface (signal, power, ground) make it breadboard-friendly and easy to use.
Enclosed in a white mist or clear lens, the LED delivers high brightness across its color spectrum, shifting patterns every few seconds for an eye-catching effect. A built-in 10kΩ pull-up resistor ensures stable operation, though a 220-ohm current-limiting resistor is recommended to protect it at 5V.
Key Features:
- Auto-cycles seven vibrant colors
- No programming needed, instant flashing
- Operates at 3.0-5.0V with 25mA max
- Compact 5mm LED with onboard logic
- Breadboard-friendly three-pin design
- High-brightness white mist lens
- Simple power-on activation
Technical Specifications:
- Voltage Range: 3.0V – 5V DC
- LED Size: 5mm (round)
- Current Consumption: ~20mA (typical, varies by voltage)
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Interface Type: 3-pin (VCC, GND, NC – no connection)
- Operating Temperature Range: -25°C to 85°C
- Dimensions: ~18mm x 15mm x 5mm (including pins)
Applications:
- Decorative lighting for DIY projects
- Visual effects in Arduino setups
- Attention-grabbing signals in displays
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