A 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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How To Order PCB
Circuit Diagram:
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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:
- Type: NPN power transistor
- Maximum Collector-Emitter Voltage (V<sub>CEO</sub>): 100V
- Maximum Collector Current (I<sub>C</sub>): 6A
- Power Dissipation (P<sub>D</sub>): 65W
- Current Gain (h<sub>FE</sub>): 15 to 75
- Operating Temperature Range: -65°C to 150°C
- Package: TO-220
Applications:
- Audio Amplifiers: These are used in the amplifiers’ output stage.
- Motor Control: Drives DC motors in low to medium-power applications.
- Switching Circuits: Suitable for high-speed switching.
- LED Drivers: Controls high-current LED strips or arrays.
- Voltage Regulation: Part of circuits like linear regulators.
Pin Configuration:
- Base (B): Control pin for switching the transistor.
- Collector (C): Current enters this pin when the transistor is on.
- 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:
- Type: NPN transistor
- Maximum Collector-Emitter Voltage (V<sub>CEO</sub>): 45V
- Maximum Collector Current (I<sub>C</sub>): 100mA
- Maximum Power Dissipation (P<sub>D</sub>): 500mW
- Current Gain (h<sub>FE</sub>): 110 to 800 (depends on the specific variant: A, B, or C)
- Operating Temperature Range: -65°C to 150°C
- Package: TO-92
Pin Configuration:
- Collector (C): Current flows into this pin when the transistor is on.
- Base (B): A small current to this pin controls the larger current flow from collector to emitter.
- Emitter (E): Current exits this pin.
Applications:
- Signal Amplification: Used in audio amplifiers or other low-power amplification circuits.
- Switching: Ideal for controlling LEDs, relays, and small devices.
- Oscillators: Used in oscillator circuits for timing and frequency generation.
- Voltage Regulation: Acts as a part of voltage regulator circuits.
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