Data Sheet
INTRODUCTION TO COMPONENTS
| 6
MAKER-UNO BOARD
MicroUSBBTypeConnector(Female)
Main supply for Maker Uno. Used for program 
and debug purpose (Serial Monitor) too.
Reset Button
Button to restart Maker UNO program.
Programmable Button
This button is connected to pin 2 and GND. To 
use it, user need to congure it as 
INPUT_PULLUP.
Series of LED for Digital I/O
Every digital IO is equipped with LED, where 
you can control it or make it as indicator for 
input.
Digital Pin
This pin can be used with :
digitalRead(); as an input
digitalWrite(); as an output
~
PWM Pin
The digital pin that has this symbol can only use 
analogWrite(); to control the output. (0-255) 
Power Pin
GND - Ground Pins
5V - Regulated 5V output
3V3 - Regulated 3.3v supply
Analog Pin
This pin can be used with 
analogRead(); to read an 
input in analog form (0-1023) 
Piezo Buzzer Slide Switch
Slide switch to connect 
between pin 8 to piezo buzzer. 
To use piezo buzzer, slide the 
switch on and program the 
buzzer. To use pin 8 for other 
purpose, slide the switch o.
Piezo Buzzer
Piezo buzzer is connected to 
pin 8 through slide switch.










