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Compatibility Pinguino vs. Arduino

The same page in color

Pinguino boards can be programmed using of a Python IDE, available as a FREE download.

Compatibilty has been tested and is almost 100%. However, some libraries are still under development by the Pinguino Dev. Team (Ethernet & Android ADK) and some others will not be supported due to a lack of time or a lack of interest (SoftwareSerial, Matrix & Sprite). You're welcome to provide these "unsupported" libraries to the community ;o)

Most of the libraries are enriched with specifics Pinguino instructions (for example, you can use Serial.printf with Serial library).

32-bit Pinguino programs are compiled with a C/C++ Compiler which is a GNU-Mips toolchain based on GCC 4.5.2, binutils 2.21 and Newlib 1.19.

8-bit Pinguino uses SDCC 2.9.0 compiler.

Supported Arduino Libraries Status


  • EEPROM - reading and writing to "permanent" storage
  • Ethernet - for connecting to the internet using the Arduino Ethernet Shield
  • LiquidCrystal - for controlling liquid crystal displays (LCDs)
  • SD - for reading and writing SD cards
  • Servo - for controlling servo motors
  • SPI - for communicating with devices using the Serial Peripheral Interface (SPI) Bus
  • Stepper - for controlling stepper motors
  • Wire - Two Wire Interface (TWI/I2C) for sending and receiving data over a net of devices or sensors.

Communication (networking and protocols)

  • OneWire - control devices (from Dallas Semiconductor) that use the One Wire protocol.
  • XBee - for communicating with XBees in API mode
  • Debounce - for reading noisy digital inputs (e.g. from buttons)
  • Improved LCD library fixes LCD initialization bugs in official Arduino LCD library
  • GLCD - graphics routines for LCD based on the KS0108 or equivalent chipset.

Frequency Generation and Audio

  • Tone - generate audio frequency square waves in the background on any microcontroller pin

Motors and PWM

  • TLC5940 - 16 channel 12 bit PWM controller.


  • DateTime - a library for keeping track of the current date and time in software.


  • TextString aka String - handle strings
  • PString - a lightweight class for printing to buffers
  • Streaming - a method to simplify print statements

Pinguino Specific Libraries

  • Interrupt - Simple interrupt manipulation library (OnEvent, OnTimer0, OnChange, ...)
  • DS18B20 - specific one-wire temperature sensor library
  • Zigbee - MRF24J40 wireless module
  • Android ADK - Android Open Accessory library provides an implementation of an Android USB accessory that is based on the Pinguino open source electronics
  • RTCC - Real Time Clock and Calendar library
  • USB - Native USB hardware support with CDC (USB-Serial), host and OTG (On-The-Go) support
  • PCF8574 - I2C I/O expander library
  • LCDI2C - for controlling liquid crystal displays (LCDs) with I2C protocol
  • List - High-level library to manipulate lists

Unsupported Arduino Standard and Contributed Libraries

  • Firmata - for communicating with applications on the computer using a standard serial protocol.
  • SoftwareSerial - for serial communication on any digital pins (Pinguino32 gives you up to 9 serial channels)
  • NewSoftSerial - an improved version of the SoftwareSerial library (Pinguino32 gives you up to 9 serial channels)
  • Matrix - Basic LED Matrix display manipulation library
  • Sprite - Basic image sprite manipulation library for use in animations with an LED matrix
  • Messenger - for processing text-based messages from the computer
  • PS2Keyboard - read characters from a PS2 keyboard.
  • Simple Message System - send messages between Arduino and the computer
  • SSerial2Mobile - send text messages or emails using a cell phone (via AT commands over software serial)
  • Webduino - extensible web server library (for use with the Arduino Ethernet Shield)
  • X10 - Sending X10 signals over AC power lines
  • SerialControl - Remote control other Arduinos over a serial connection
  • Capacitive Sensing - turn two or more pins into capacitive sensors
  • LedControl - for controlling LED matrices or seven-segment displays with a MAX7221 or MAX7219.
  • LedControl - an alternative to the Matrix library for driving multiple LEDs with Maxim chips.
  • LedDisplay - control of a HCMS-29xx scrolling LED display.
  • Metro - help you time actions at regular intervals (supported in Interrupt library)
  • MsTimer2 - uses the timer 2 interrupt to trigger an action every N milliseconds (supported in Interrupt library)