Arduino Leonardo R3 (China)

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Arduino Leonardo is an Atmega32u4 based microcontroller board. Arduino Leonardo has 20 digital I/O pins, 16 MHz crystal oscilator, micro usb socket, power socket, ICSP connector and a reset button on the board.  ...See more
SKU BTS-00003360
SF Code A1.R3
Tags: Arduino
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There are 20 digital I/O pins (7 of them can be used as PWM out, 12 of them can be used as analog input), 16 MHz crystal oscilator, micro usb socket, power socket, ICSP connector and a reset button on the board. There are everything for the microcontroller to work on the board. The board can be easily connected to a computer via usb, can be supplied with an adapter or a battery.

Leonardo board is seperated from other boards by using ATmega32u4 microcontroller, Atmega32u4 is able to communicate with a computer directly thus it does not need an USB - Serial converter. Thanks to these features, Leonardo can be introduced to computer as not only virtual COM port but also as peripherals such as console and mouse too.

Features:

  • Microcontroller: ATmega32u4
  • Operating voltage: 5 V
  • Supply voltage (recommended): 7-12 V
  • Supply voltage (limits): 6-20 V
  • Number of digital I/O pins: 20
  • Number of PWM pins: 7
  • Number of analog input pins: 12
  • Max DC current for each I/O pins: 40 mA
  • DC current for 3.3 V out: 50 mA
  • Max DC current for 3.3 V pin: 1 A (if supplied with an external adapter)
  • Flash memory: 32 kB (ATmega32u4, 4 kB is used by bootloader)
  • SRAM: 2.5 kB (ATmega32u4)
  • EEPROM: 1kB (ATmega32u4)
  • Clock speed: 16 MHz
  • Length: 68.6 mm
  • Width: 53.4 mm
  • Weight: 20 gr

 

Package Includes:

  • 1 x Arduino Leonardo R3
  • 1 x USB Cable
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Customer Reviews

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Ahanaf Siddique's review emoji-happy
Review by Ahanaf Siddique
Arduino Leonardo ta project er jonno kinlam. ATmega32u4 use kore, PC te direct connect hoy, alada USB-Serial lagena. Quality bhalo, dam reasonable. Delivery o fast chilo. Ami khub satisfied.
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Rafid's review emoji-happy
Review by Rafid
Khub e valo board. PC te connect korar sathe sathe detect korlo. Kintu amader bashar current fluctuation e ekbar reset hoye gechilo. Adapter diye cholale problem hobe na. Overall, dam er moddhe best.
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Rudro Das's review emoji-happy
Review by Rudro Das
প্রোডাক্টটা আসলেই দারুণ। মাইক্রো USB ক্যাবলসহ প্যাকেজিং ভালো ছিল। বোর্ড কম্পিউটারে কানেক্ট করতে কোনো ঝামেলা হয়নি। ATmega32u4 চিপ থাকায় মাউস-কিবোর্ড ইমুলেশনও করছে। আমার প্রজেক্টের জন্য এটি দারুণ কাজে দিয়েছে।
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Fardin Alvi's review emoji-happy
Review by Fardin Alvi
Ordered this Leonardo because I needed true USB HID support. The board is lightweight and works without extra drivers on Windows. Soldering pads are clean, and the USB cable included is a bonus. Good value for hobby projects.
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Elias Mollah's review emoji-happy
Review by Elias Mollah
বোর্ডটা ভালো, তবে চাইনিজ ক্লোন বলে মান একটু কম আশা করেছিলাম। পেয়ে দেখি কাজটা দারুণ করছে। ১৬ MHz ক্রিস্টাল আর ATmega32u4 ঠিকঠাক আছে। যারা Arduino শেখা শুরু করবেন তাদের জন্য একদম পারফেক্ট।
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Zarin Proma's review emoji-happy
Review by Zarin Proma
আমি আমার ফাইনাল ইয়ার প্রজেক্টে ব্যবহার করছি। বোর্ডের কোয়ালিটি দারুণ, কোনো সমস্যা পাইনি। ১২টা অ্যানালগ ইনপুট আর ৭টা PWM পিন থাকায় সেন্সর ও মোটর কন্ট্রোল দুটোই সহজ হয়েছে। ডেলিভারি একটু লেট ছিল, তবে প্রোডাক্টে কোনো দোষ নেই।
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Arghya's review emoji-happy
Review by Arghya
Eta kinar age ami ektu tension e chilam, kintu board ta khub smooth kaj korche. Arduino IDE instantly detect koreche. Price eto kom e ato features! 20 ta I/O pin ache, future project e lagbe.
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Nishan's review emoji-happy
Review by Nishan
I've been using this Leonardo R3 for a few weeks. The build quality is decent for a Chinese clone, and it works fine with the Arduino IDE. It shows up as a HID device, which was exactly what I needed for a custom macro pad.
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Sajid's review emoji-happy
Review by Sajid
Works as advertised. I made a small game controller using the Leonardo's native USB feature. It functions flawlessly. The only slight issue is that the micro USB port is a bit tight, but that's minor. I recommend it for students and makers.
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Arnab's review emoji-happy
Review by Arnab
Arduino Leonardo er battery supply option ta khub useful laglo. Khub kom power e chole, project e portable banate perechi. Board er size o choto, easy to manage. Eto kom dame eta best buy.

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  • What is the latest price of the Arduino Leonardo R3 (China) in Bangladesh?

    The latest price of Arduino Leonardo R3 (China) in Bangladesh is BDT 881.00 . You can buy the Arduino Leonardo R3 (China) at the best price on BDTronics.com or contact us via phone.

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    We provide home delivery service all over Bangladesh. We support Cash on Delivery, Online Bank Transfer, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-4 days outside Dhaka.

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