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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.

Price BDT 490
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EM4100 125kHz RFID Card

It is proximity ID card of 125KHz, EM4100. It has been specially manufactured and packaged to be clean from dust. And you can print any pictures on the PVC blank cards. You can use it with our RDM6300 RFID reader module.

Price BDT 18
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PAM8403 Audio Amplifier Module

PAM8403 small power mini 5 V power amplifier board (can be powered by USB) (XY) USA plate PAM8403 digital power amplifier chip, the circuit is simple, reliable work. Operating voltage from 2.5 V to 2.5 V, 3 wx2 maximum output, efficiency can reach 90% or above, can use the computer USB 5 V power supply, is very suitable for battery and portable electronic products. Bat small size, and it is equipped with the switch, potentiometer, can follow its volume inclines, and control the power switch for use and installation is very flexible and convenient. Using all-purpose devices of the real thing may be competent for long-term stability.

BDT 140
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Description

Descriptions: PAM8403 Audio Amplifier Module

PAM8403 small power mini 5 V power amplifier board (can be powered by USB) (XY) USA plate PAM8403 digital power amplifier chip, the circuit is simple, reliable work. Operating voltage from 2.5 V to 2.5 V, 3 wx2 maximum output, efficiency can reach 90% or above, can use the computer USB 5 V power supply, is very suitable for battery and portable electronic products. Bat small size, and it is equipped with the switch, potentiometer, can follow its volume inclines, and control the power switch for use and installation is very flexible and convenient. Using all-purpose devices of the real thing may be competent for long-term stability.

Specifications:

operating voltage: 2.5 V to 2.5 V

maximum output: 3 wx2 (5 v 4 o)

plate size: about 22mm 30mm wide / depth/height 16mm excluding potentiometer handle bulge (dimension) boards are finished welding test board, the above potentiometer is with switch, can control the volume and power switch, no more than that 5.5 V, positive and negative power supply voltage does not do wrong, otherwise the chip has the potential for damage.

Technical Details:

  • PAM8403 Amplifier Module
  • Dimension: L 29.5mm x W 20.2mm x H 15mm (not include Potentiometer rod size)
  • Operation Voltage: 2.5V~5V DC (can be powered by USB)
  • Chip: PAM8403
  • Power filtering is upgraded to 470 uf
  • Potentiometer life can be up to 15 years
  • Potentiometer includes on/off switch
  • Superior Low Noise
  • Efficiency up to 90%
  • Short Circuit Protection
  • Thermal Shutdown

Documents:

PAM8403

Note:

Please make sure the power supply is not more than 5.5V and please don’t do reverse polarity for “+” and “-“, or else, it will burn the board.

Package Includes:

1 x PAM8403 Audio Amplifier Module

Product Details
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