UNO R3 AVR MicroController Board base on DIP ATmega328P + Dual CH High-Power H-bridge Driver,PWM Speed Controller + USB CABLE

  • Item ID #091036

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It is a High Quality ATmega328P UNO R3 Development Board + Dual CH High-Power H-bridge Driver,PWM Speed Controller + USB CABLE, Microcontroller: ATmega328P, Operating voltage: DC 5V, Input voltage (recommended): DC 7~12V, Applied to Arduino/Nano Robot/ Robot/ Car etc

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  • Microcontroller: ATmega328P
  • Operating voltage: DC 5V
  • Input voltage (recommended): DC 7~12V
  • Digital I/O pins: 14 (of which 14 provide PWM output)
  • Analog input pins: 6
  • DC current per I/O pin: 40 mA
  • DC current for 3.3V pin: 50 mA
  • Flash memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader
  • SRAM: 2 KB
  • EEPROM: 1 KB
  • Clock speed: 16 MHz


  • 1. Add two I2C pins(SDA and SCL) next to the AREF pin; and next to the RESET, add two pins: one is IOREF which allows the board to adapt to onboard voltage (the IOREF pin is to tell how many the onboard voltage at present; e.g UNO is 5V that can be seen as copy of power supply pin and don't pull power level )
  • and the another is for future placeholder pin
  • 2. More stable RESET circuit; the RESET is moved to place closer to USB interface, thus more convenient to push
  • 3. ATmega328P replaces 8U2 so that UNO can simulate USB HID, e.g MIDI/Joystick/Keyboard

L298P Technical Parameters:

  • Logical input voltage VD: DC 5 V
  • Drive input voltage: VIN 6.5 ~ 12V, PWM IN 4.8 ~ 24V
  • Logical working current ss: ≤ 36mA
  • Drive working current Io: ≤ 2A
  • Maximum power dissipation: 25W (T= 75°c)
  • Control signal input level:
  • High: 2.3V≤ Vin ≤ 5V
  • Low: -0.3 V ≤ Vin ≤ 15V
  • Operating temperature: -25°c ~ +130°c

L298P Features:

  • 1. There is L298P motor driver chip on the board so that you can use digit IO interface(D .D10. D11. D12) without cumbersome wiring connection
  • 2. Onboard buzzer (D4), you can set the astern alarm ringtone
  • 3. Convenient motor interface can be two routes motor output
  • 4. Two-way bluetooth interface requires no wiring and you can plug directly
  • 5. It has seven digital interface that are not occupied(including D 2 , D 3 , D 5 , D 6 , D 7 , D 9 , D )
  • 6. It has six analog interfaces(A0, A1, A2, A3, A4, A5)
  • 7. It has indicator for forward and backward changing direction

Package Include:

  • 1 x UNO R3 Development Board
  • 1 x L298P Motor Driver
  • 1 x USB Cable


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