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Choose Your Size Quick view

Reference: 984

Heat Shrink Tube

Heat Shrink Tubing 2:1, Eventronic Electrical Wire Cable Wrap Assortment Electric Insulation Heat Shrink Tube Kit (1 pcs) Please Choose Size Below

Price BDT 2
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Jumper wire 40 Pcs Quick view

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Jumper Wire 40 Pcs Set

3 Types Available 1. Male to Male  2. Male to Female 3. Female-Female

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470 Ohm 1/4w - Pack of 5 Quick view

Reference: 245

Kiloohm (KΩ) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below: 

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Reference: 1354

Jumper Wire Single Medium

Length: 8.5 inches (Medium) Material: Copper Plated.EachPin Spacing: 2.54mm.Color: Colorfulcompatible with 2.54mm mil spacing pin headers.It can be used for PCB project, pc motherboard, etc.Allow you to plug and unplug easily for prototyping.Package Contents: 1 x Jumper Wire You will get only one pcs.

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Push Button Switch Quick view

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Push Button Switch

Push Button Switch

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Buzzer Quick view

Reference: 766

Ohm (Ω) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below: 

Price BDT 5
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5 mm Green LED (Pack of 5) Quick view

Reference: 768

5 mm Red LED (Pack of 5)

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On sale! Arduino Uno R3 (Made in Italy) Quick view

Reference: 94

Arduino Uno R3

Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

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Buzzer Quick view

Reference: 758

BC547 NPN Transistor

BC547 NPN Transistor

Price BDT 2
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Buzzer Quick view

Reference: 755

5 mm Green LED (Pack of 5)

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Price BDT 5
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All best sellers

LM3914

1429

IC LM3914 : Pin Configuration,Working and Applications

BDT 50
Quantity
In-Stock

  • Store Pickup Available! Store Pickup Available!
  • Free Ship Over 5000 BDT Free Ship Over 5000 BDT
  • Quality Product Quality Product
  • No Warranty No Warranty
  • No Replacement No Replacement
Description

LM3914 IC Pin Configuration

  • Pin1: (LED1, LED2, LED3,..LED10): These pins are allied to LEDs.

  • Pin2: (Ground or V-): GND pin of the LM3914 IC

  • Pin3: (Vcc or V+): DC voltage from 3V to 18V as supply

  • Pin4: (RLO): Low-level voltage used for potential divider

  • Pin5: (Signal): Analog signal input based on which the LED is controlled.

  • Pin6: (RHI): High-level voltage for potential divider

  • Pin7: (Ref Out): Reference voltage of Output

  • Pin8: (Ref Adj): Adjust pin

  • Pin9: (Mode): Choose among Bar or Dot mode

Specifications

  • Its is Analog Controlled LED Driver IC
  •  Controllable for LEDs: 10
  • 3V to 18V Operating Voltage:
  • Analog Input voltage range: 1.2V to 12V
  • LED sink current: 2mA to 30mA
  • Both Bar/Dot mode available
  • More IC can be used to control up to 100 LEDs
  • Available in 18-pin DIP
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1429
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