
Keyestudio UNO R3 Development Board Compatible With Arduino Uno R3 +USB Cable
- Delivery nationwide via The Courier Guy — R150 flat, free over R2,000
- Free collection from our Milnerton (Cape Town) warehouse
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- Questions? WhatsApp us on +27 65 900 8570
Description
The Keyestudio UNO R3 Development Board is a highly robust microcontroller board fully compatible with the Arduino Uno R3, making it the perfect starting point for students, hobbyists, and makers entering the world of coding and electronics. It comes complete with a USB cable, allowing you to easily connect it to a computer, power it up, and begin programming your first projects.
Robust learning platform
This board is based on the ATmega328 microcontroller and is fully compatible with the Arduino Uno Rev3 standard. It is widely regarded as the most reliable and robust board for beginners to start tinkering with electronics and programming.

Versatile power and connectivity options
Getting started is simple; you can power the board directly from a computer using the included USB cable. Alternatively, the onboard power jack allows you to run your projects independently using an AC-to-DC adapter or a battery.

Comprehensive input and output pins
The board features 14 digital input/output pins, six of which can be used as PWM outputs for controlling motors or dimming LEDs. It also includes six analog inputs to read data from various sensors.

Upgraded USB to serial converter
Instead of using a standard FTDI driver chip, this board features an Atmega16U2 chip programmed as a USB-to-serial converter. This ensures reliable communication and easy driver setup on your computer.

Enhanced layout and shield compatibility
The 1.0 pinout includes dedicated SDA and SCL pins near the AREF pin, along with an IOREF pin near the reset button. This allows connected shields to automatically adapt to the board's 5V operating voltage.

Stronger reset circuit design
An improved reset circuit design ensures more stable performance and reliable rebooting during development. A physical reset button is conveniently located on the board for manual resets.

Technical specifications and memory
Powered by a 16 MHz clock, the board contains 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM. Each digital I/O pin provides a DC current of 20 mA, with a dedicated 50 mA supply for 3.3V components.

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