UNO SMD Board compatible with Arduino

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Special Price Rs 292.64 Rs 248.00 was Rs 626.58
  • Microcontroller : ATmega328P - AU
  • USB to UART Converter : CH340G
  • Power Supply : USB(5V) or External (non-USB) power(7V to 12V)
  • Digital I/O Pins : 14 (of which 6 provide PWM output)
  • Analog Input Pins : 6
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    Uno SMD

    The Arduino is a version of the Arduino Uno but uses a surface mount version of the Atmega328P instead of the through-hole version. This version was made in response to a shortage in supply of the through-hole Atmega328P. The board is based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started. This development board comes with a CH340G USB to UART converter chip. So in order to use this board, we need to install the CH340 driver. The Arduino Uno can be powered via the USB connection or with an external power supply. The power source is selected automatically. External (non-USB) power can come either from an AC-to-DC adapter or battery. The adapter can be connected by plugging a 2.1mm center-positive plug into the board's power jack. Leads from a battery can be inserted in the Gnd and Vin pin headers of the POWER connector. The board can operate on an external supply of 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.

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    Model Type

    Arduino Uno R3

    Microcontroller Chip

    ATmega328 (SMD) – Interface CH340G

    Operating Voltage

    5 V

    Input Voltage(Recommended)


    Input Voltage (limit)


    Analog I/O Pins


    Digital I/O Pins

    14 (of which 6 provide PWM output)

    PWM Digital I/O Pins


    DC Current for 3.3V Pin

    50 mA

    DC Current per I/O Pin

    40 mA

    Clock Speed

    16 MHz


    2 KB (ATmega328)


    1 KB (ATmega328)

    Flash Memory

    32 KB (ATmega328) of which 0.5 KB used by bootloader

    Power Supply Option

    DC Jack or USB

    On Board LEDs

    On/Off, L (PIN 13), TX, RX

    Operating Temperature (°C)

    -40 to +90

    Dimensions in mm (LxWxH)

    75 x 54 x 12

    Weight (gm)


    Shipment Weight

    0.145 kg

    Shipment Dimensions

    10 × 6 × 4 cm