Strip light Flasher Circuit

strip light flasher is an electronic circuit or device that makes LED strip lights blink or flash in a repetitive pattern. This can be used for decorative, signaling, or entertainment purposes. The flashing effect is typically achieved by controlling the power supply to the LED strip in an on-off pattern at regular intervals.

Applications

  • Decorative Lighting: Used in homes, parties, and events for aesthetic effects.
  • Emergency and Signal Lighting: Flashing lights attract attention, making them suitable for alarms or emergency vehicles.
  • Advertising Displays: To create eye-catching effects on signs or boards.

Components Required

  • Tip41c
  • BC547
  • 470 uf 35v Capacitor
  • 100-ohm Resistor
  • 10k potentiometer
  • Connectors
  • Heat Sink

Gerber File:

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Circuit Diagram:

Strip light Flasher Circuit
Strip light Flasher Circuit

TIP41C:

The TIP41C is a popular NPN power transistor used in electronic circuits. It is part of the TIP41 family and is well-suited for general-purpose applications involving medium power amplification or switching. Here’s a quick rundown of its specifications and usage:


Specifications of TIP41C:

  1. Type: NPN power transistor
  2. Maximum Collector-Emitter Voltage (V<sub>CEO</sub>): 100V
  3. Maximum Collector Current (I<sub>C</sub>): 6A
  4. Power Dissipation (P<sub>D</sub>): 65W
  5. Current Gain (h<sub>FE</sub>): 15 to 75
  6. Operating Temperature Range: -65°C to 150°C
  7. Package: TO-220

Applications:

  1. Audio Amplifiers: These are used in the amplifiers’ output stage.
  2. Motor Control: Drives DC motors in low to medium-power applications.
  3. Switching Circuits: Suitable for high-speed switching.
  4. LED Drivers: Controls high-current LED strips or arrays.
  5. Voltage Regulation: Part of circuits like linear regulators.

Pin Configuration:

  1. Base (B): Control pin for switching the transistor.
  2. Collector (C): Current enters this pin when the transistor is on.
  3. Emitter (E): Current exits this pin when the transistor is on.

BC547:

The BC547 is a widely used NPN bipolar junction transistor (BJT) commonly found in low-power amplification and switching applications. It’s a general-purpose transistor, ideal for hobbyist and educational projects due to its affordability and ease of use.


Specifications of BC547:

  1. Type: NPN transistor
  2. Maximum Collector-Emitter Voltage (V<sub>CEO</sub>): 45V
  3. Maximum Collector Current (I<sub>C</sub>): 100mA
  4. Maximum Power Dissipation (P<sub>D</sub>): 500mW
  5. Current Gain (h<sub>FE</sub>): 110 to 800 (depends on the specific variant: A, B, or C)
  6. Operating Temperature Range: -65°C to 150°C
  7. Package: TO-92

Pin Configuration:

  1. Collector (C): Current flows into this pin when the transistor is on.
  2. Base (B): A small current to this pin controls the larger current flow from collector to emitter.
  3. Emitter (E): Current exits this pin.

Applications:

  1. Signal Amplification: Used in audio amplifiers or other low-power amplification circuits.
  2. Switching: Ideal for controlling LEDs, relays, and small devices.
  3. Oscillators: Used in oscillator circuits for timing and frequency generation.
  4. Voltage Regulation: Acts as a part of voltage regulator circuits.

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