Second, it has greater USB port support.First, the Arduino Leo board has better performance.Hence, here’s a look at why it suits you best. Not all UNO-compatible shields work well with the Leonardo.Ĭonversely, the Leo is still a great board. Third, look for the board’s compatibility with the shields. Therefore, you’ll always find easy do-it-yourself guidelines, tutorials, and UNO discussion forums on the internet. And the Arduino UNO wins by a margin compared to Leonardo. Second, if you’re still new, look for a board with better online support. It’s due to its easy compatibility with a universal pin header arrangement that fits most shields on the market. Regardless, the UNO has been the industry standard for development boards. To select a better board, you’ll need to identify the requirements of your project and check against the board’s capabilities. How To Select Which Arduino Board Is Better?įig 4: Arduino Electronic Platform for Hobbyists Additionally, you can use it with the aid of third-party centers to upload programs to advancement boards from other sellers. It’s a cross-platform application you can use for Linux, Windows, and macOS without changing the program structure. What Languages Do Arduino Leonardo and Arduino UNO Use?Īrduino boards utilize the Integrated Development Environment (IDE) to type and upload C and C++ codes/ programs to Arduino boards. Here’s a detailed comparison of the Arduino UNO and Leonardo boards. What Are the Differences Between Arduino Leonardo and UNO? LED 13 – Arduino has a built-in LED fixed at pin 13.0(RX) and 1(TX) – You’ll use these two pins to receive and transmit data to and from your devices.PWM – You can use 3, 5, 6, 9, 10, 11, and 13 analog write() function to give 8 bit PWM output.Importantly, both pins have two-wire interface (TWI) communication capabilities using the wire library. The SCL is the serial clock, whereas the SDA is the serial data pin. SDA and SCL – Like the UNO, the Arduino Leonardo i2c protocol has the SDA and SCL.VIN – You can use the VIN pin to power other Arduino boards, drivers, and sensors.Įach specialized function/ digital input and output pins operate at 5V and receive a maximum current of 40mA.5V – This pin can power shields and drivers like Bluetooth, sensors, and RFID.3.3V – The 3.3V is a regulated output pin you can use to power components running at 3.3V or less.Second, you can use an AC-DC adaptor from an external power supply.įurthermore, here’s a look at the various Arduino UNO R3 and Leonardo pinouts.First, you can use a Printer Cable to power the Arduino board from your computer.On both boards, the pins are pretty much similar in their operation.Īdditionally, here’s how you can power your Arduino boards. In this section, we’re looking at the various Arduino pins. Pin Descriptions of Arduino UNO and Leonardo In the end, you’ll have the best information to start your project. But first, read on to discover the differences between the Arduino Leonardo vs UNO. Therefore, before starting, you need to clearly understand what they are and which one suits you best. ![]() Most people find Arduino boards tiring and frustrating because they lack insights into their working and operation.
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