Arduino Uno R3
Beginner-friendly 5V board for simple sensors, relays and prototypes.
AI Ready Overview
Quick Summary
Arduino Uno is a microcontroller commonly used in FYP and embedded projects. It is best for beginner fyp prototypes and relay control, with wiring and testing planned around Arduino IDE, Most beginner sensor modules.
Difficulty
Beginner
Time Required
1-3 days for basic wiring and sample code; 1 week if used inside a complete FYP prototype
Cost
RM18-RM55 module range in Malaysia; full project cost depends on scope.
Components
Arduino Uno, Arduino IDE, Most beginner sensor modules
Overview
What is Arduino Uno?
Arduino Uno is the classic beginner board for electronics projects. It is easy to teach, easy to wire and works well for FYP prototypes that do not need built-in WiFi.
Engineering Reference
Quick Specs
| Logic Voltage | 5V |
|---|---|
| Digital I/O | 14 pins |
| Analog Inputs | 6 pins |
| Clock Speed | 16MHz |
| Best For | Beginner prototypes and teaching demos |
Real Usage Notes
Suitable / Not Suitable
Suitable for
- ✓ Beginner FYP prototypes
- ✓ Relay control
- ✓ Simple sensor reading
- ✓ Teaching demonstrations
Not suitable for
- ✕ WiFi IoT without extra module
- ✕ Heavy multitasking
- ✕ Direct motor driving
Build Planning
Difficulty
Arduino Uno is rated Beginner. Plan around 1-3 days for basic wiring and sample code; 1 week if used inside a complete fyp prototypedepending on wiring, libraries, calibration, dashboard/app integration and testing evidence.
Build Planning
Time Required
1-3 days for basic wiring and sample code; 1 week if used inside a complete FYP prototype
Malaysia Price Guidance
Cost
Typical module price range: RM18-RM55. This is component guidance only; a complete FYP cost depends on controller, sensors, casing, display, app/dashboard, documentation and timeline.
Connections
Pinout
5V
Regulated 5V output for small modules.
GND
Common ground.
A0-A5
Analog input pins.
D0/D1
Serial RX/TX pins, avoid when uploading sketches.
Platform Notes
Wiring Guides
Arduino Uno with Arduino IDE
Most beginner modules connect directly to 5V, GND and one signal pin.
| Sensor VCC | 5V |
|---|---|
| Sensor GND | GND |
| Analog signal | A0 |
Example code
void setup() {
Serial.begin(9600);
}
void loop() {
int reading = analogRead(A0);
Serial.println(reading);
delay(1000);
}Fix Common Problems
Troubleshooting
Troubleshooting
Common Mistakes
FYP Ideas Using Arduino Uno
Related Projects
Compare Options
Alternative Components
Student Questions
FAQ
Is Arduino Uno enough for FYP?
Yes for simple automation and sensor projects. For IoT dashboards, ESP32 is usually a better choice.
Can Arduino Uno connect to WiFi?
Yes, but it needs an external WiFi module or shield. ESP32 is simpler when WiFi is required.