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In StockArduino Uno R3 Compatible
MCU-ARD-UNO-R3 · Stock: 220
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₹788
₹1,244
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[Arduino]
The Arduino Uno R3 remains the most accessible entry point into embedded robotics. ATmega328P at 16MHz, 14 digital I/O, 6 analog inputs, and a massive ecosystem of shields and libraries.
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ATmega328P classic board — the robotics learning standard
High-res visual shown left · QA bench-tested before dispatch.
| Operating Voltage | 5V |
|---|---|
| Input Voltage | 7-12V |
| Digital I/O | 14 (6 PWM) |
| Analog Inputs | 6 |
| Protocols | SPI, I2C, UART |
| Flash | 32KB |
| SRAM | 2KB |
| Clock | 16MHz |
| Dimensions | 68.6 × 53.4 mm |
| Weight | 25g |
VCC
5V
GND
GND
SDA
A4
SCL
A5
MOSI
11
MISO
12
SCK
13
Wiring guide: power rails first (VCC/GND), then bus (I2C/SPI), then interrupt/PWM lines.
void setup() {
pinMode(13, OUTPUT);
Serial.begin(9600);
}
void loop() {
digitalWrite(13, HIGH);
delay(500);
digitalWrite(13, LOW);
delay(500);
Serial.println("Pulse");
}
# Use pyFirmata with Arduino Uno
from pyfirmata import Arduino, util
import time
board = Arduino('COM3')
it = util.Iterator(board)
it.start()
while True:
board.digital[13].write(1)
time.sleep(0.5)
board.digital[13].write(0)
time.sleep(0.5)
void setup() {
pinMode(13, OUTPUT);
Serial.begin(9600);
}
void loop() {
digitalWrite(13, HIGH);
delay(500);
digitalWrite(13, LOW);
delay(500);
Serial.println("Pulse");
}
Technical datasheet for MCU-ARD-UNO-R3.
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