Cytron Technologies Arduino Uno R3, User Manual

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ROBOT.HEAD to TOE
Product User’s Manual - MAKER-UNO
4. BOARD LAYOUT
LABEL FUNCTION
A
ON BOARD PIEZO BUZZER
Piezo buzzer is connected to pin 8 through slide switch (labeled B).
B
PIEZO BUZZER SLIDE SWITCH
Slide switch to connect between pin 8 to piezo buzzer (labeled A). To use piezo buzzer, slide the
switch on and program the buzzer. To use pin 8 for other purpose, slide the switch off.
C
VOLTAGE REGULATOR 3.3V
Voltage regulator 3.3V used to regulate 5V USB to 3.3V and connected to pin 3.3V (labeled I).
D
LED INDICATOR FOR USB-SERIAL
Indicates USB-Serial data for uploading process or debug purpose (Serial Monitor).
E
USB MICRO B CONNECTOR
Main supply for Maker Uno. Used for program and debug purpose (Serial Monitor) too.
F
USB-SERIAL IC CONVERTER (CH340G)
Converts USB data to serial data. Used for program and debug purpose (Serial Monitor).
G
RESET BUTTON
Bu on to restart Maker UNO program.
H
PROGRAMMABLE BUTTON
This bu on is connected to pin 2 and GND. To use it, user need to configure it as INPUT_PULLUP.
I
ARDUINO UNO R3 STANDARD FEMALE PIN HEADER
Maker UNO female header pin follows Arduino UNO R3 standard. The only difference is, Maker
UNO does not have Vin.
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