KEYESTUDIO UNO R3 Development Board For Arduino Official Upgrated Version With Pin Header Interface
- Delivery nationwide via The Courier Guy — R150 flat, free over R2,000
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Description
The Keyestudio UNO R3 Development Board with Pin Headers is an upgraded, fully compatible Arduino Uno Rev3 alternative designed for students, educators, and makers. Based on the ATmega328P-AU microcontroller, this board simplifies prototyping by breaking out pins into convenient 3-pin headers and offering selectable voltage levels. It is the ideal core for your next robotics or coding project, offering enhanced power delivery and easier sensor connections.
Integrated 3-pin sensor headers
This board breaks out all 14 digital and 6 analog pins into 3-pin headers representing Ground, VCC, and Signal. This design makes it incredibly easy to plug in external sensors and modules directly without requiring a messy breadboard.
Dual voltage slide switch
A built-in slide switch allows you to toggle the VCC voltage and serial communication level between 5V and 3.3V. This feature protects sensitive 3.3V sensors and components without requiring external logic level converters.
High-current voltage regulator
Equipped with an upgraded MP2307DN voltage regulator chip, this board delivers a 5V output with up to 2A of drive current when using external power. This is double the 1A capacity of standard boards, making it perfect for driving demanding loads like servos.
Dedicated communication headers
The board features two dedicated 4-pin headers specifically for serial and I2C communication. These extra interfaces streamline the process of connecting displays, sensors, and other communication modules.
ATmega328P-AU microcontroller specifications
Powered by the ATmega328P-AU microcontroller running at 16 MHz, the board includes 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM. It is fully compatible with the Arduino Uno Rev3 and can be programmed using standard Arduino software.
Flexible power options
You can easily power the board via its USB connection, a DC power jack accepting a recommended 7-12V input, or an external battery. It contains all the necessary support components to get your project up and running immediately.
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