ARDUINO MINI 05
Code: A000087
The Arduino Mini is a very compact version of the Arduino Nano
without an on‐board USB to Serial connection
The Arduino Mini 05 is a small microcontroller board originally based on
the ATmega168, but now supplied with the 328.(datasheet), intended for use on
breadboards and when space is at a premium. It has 14 digital input/output pins
(of which 6 can be used as PWM outputs), 8 analog inputs, and a 16 MHz crystal
oscillator. It can be programmed with the USB Serial adapter or other USB
or RS232 to TTL serial adapter.
The new Mini (revision 05) has a new package for the ATmega328, which enables
all components to be on the top of the board. It also has an onboard reset button.
The new version has the same pin configuration as revision 04.
Warning: Don't power the Arduino mini with more than 9 volts, or plug the power
in backwards: you'll probably kill it.
You can find here your board warranty informations.
https://www.arduino.cc/en/Main/warranty
Getting Started
In the Getting Started section, you can find all the information you need to
configure your board, use the Arduino Software (IDE), and start to tinker with
coding and electronics.
https://www.arduino.cc/en/Guide/ArduinoMini
https://www.arduino.cc/en/Main/Software
TECH SPECS
Microcontroller
Operating Voltage
Input Voltage
Digital I/O Pins
Analog Input Pins
DC Current per I/O Pin
Flash Memory
SRAM
EEPROM
Clock Speed
Length
Width
ATmega328
5V
7‐9 V
14 (of which 6 provide PWM output)
8 (of which 4 are broken out onto pins)
40 mA
32 KB (of which 2 KB used by bootloader)
2 KB
1 KB
16 MHz
30 mm
18 mm
OSH: Schematics
Arduino Mini is open‐source hardware! You can build your own board using the
following files:
ARDUINO MINI 05
https://www.arduino.cc/en/uploads/Main/arduino_mini_schematic05.pdf
ARDUINO MINI 04
https://www.arduino.cc/en/uploads/Main/arduino_mini_schematic04.pdf
ARDUINO MINI 03
https://www.arduino.cc/en/uploads/Main/arduino_mini_schematic03.pdf
EAGLE FILES MINI 05
https://www.arduino.cc/en/uploads/Main/ArduinoMini05‐EAGLE.zip
GERBER FILES MINI 04
https://www.arduino.cc/en/uploads/Main/ArduinoMini04‐gerber.zip
USB ADAPTOR ZIP FILES
https://www.arduino.cc/en/uploads/Main/ArduinoMini04‐gerber.zip
Programming
The Arduino Mini can be programmed with the Arduino software (download). For
details, see thereference and tutorials.
https://www.arduino.cc/en/uploads/Main/ArduinoMini04‐gerber.zip
https://www.arduino.cc/en/Reference/HomePage
https://www.arduino.cc/en/Tutorial/HomePage
To program the Arduino Mini, you will need a USB Serial adapter or other USB
or RS232 to TTL serial adapter. See the page on getting started with the Arduino
Mini for instructions.
The ATmega328 on the Arduino Mini comes preburned with a bootloader that
allows you to upload new code to it without the use of an in‐system‐programmer.
The bootloader communicates using the original STK500 protocol (reference, C
header files).
You can also bypass the bootloader and program the ATmega328 with ICSP (In‐
Circuit Serial Programming); see the page on bootloading the Mini for information
on wiring up an ICSP header to the Mini and the programmer for instructions on
using a programmer to upload a sketch.
Input and Output
Each of the 14 digital pins on the Mini can be used as an input or output. They
operate at 5 volts. Each pin can provide or receive a maximum of 40 mA and has an
internal pull‐up resistor (disconnected by default) of 20‐50 kOhms. Pins 3, 5, 6, 9,
10, and 11 can provide PWM output; for details see the analogWrite() function. If
anything besides the Mini USB (or other) adapter is connected to pins 0 and 1, it
will interfere with the USB communication, preventing new code from being
uploaded or other communication with the computer.
The Mini has 8 analog inputs, each of which provide 10 bits of resolution (i.e. 1024
different values). Inputs 0 to 3 are broken out onto pins; input 4 to 7 require
soldering into the provided holes. By default the analog inputs measure from
ground to 5 volts, though is it possible to change the upper end of their range
using the AREF pin and some low‐level code.
http://www.arduino.cc/en/Reference/AnalogWrite
See also the mapping between Arduino pins and ATmega168/328 ports.
https://www.arduino.cc/en/Hacking/PinMapping168
Pinout
Note: the pinout changed from version 03 to version 04 of the Mini, please be sure
you use the right diagram.
Pin out of the Arduino Mini 03. (older Pin out of the Arduino Mini 04 and
versions are compatible, but missing 05.(Note that the ground pin on the left
theIO7 header at the top)
has moved down one pin.)
https://store.arduino.cc/usa/arduino‐mini‐05 12‐7‐17
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