What is MicroPython?
MicroPython is an implementation of the Python 3 programming language that includes a small subset of the Python standard library and is optimized to run on microcontrollers. (From micropython.org)
MicroPython was originally created by the Australian programmer and physicist Damien George. It is written in C.
MicroPython is now an OpenSource project and the source code is available in GitHub.
Micropython Libraries
When you start up your IDE, it may have a list of python modules built in. You can list the current modules you have installed by running the help('modules') command.
MicroPython Builtin Functions
MicroPython is designed to run quickly in a small memory system. So it has trimmed down many of the standard Python libraries to fit the needs of microcontrollers. Most of these libraries start with the letter "u" so that you are aware they are designed to run on microcontrollers.
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22 | cmath – mathematical functions for complex numbers
gc – control the garbage collector
math – mathematical functions
uarray – arrays of numeric data
uasyncio — asynchronous I/O scheduler
ubinascii – binary/ASCII conversions
ucollections – collection and container types
uerrno – system error codes
uhashlib – hashing algorithms
uheapq – heap queue algorithm
uio – input/output streams
ujson – JSON encoding and decoding
uos – basic “operating system” services
ure – simple regular expressions
uselect – wait for events on a set of streams
usocket – socket module
ussl – SSL/TLS module
ustruct – pack and unpack primitive data types
usys – system specific functions
utime – time related functions
uzlib – zlib decompression
_thread – multithreading support
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MicroPython Specific Libraries
| btree – simple BTree database
framebuf — frame buffer manipulation
machine — functions related to the hardware
micropython – access and control MicroPython internals
network — network configuration
ubluetooth — low-level Bluetooth
ucryptolib – cryptographic ciphers
uctypes – access binary data in a structured way
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Adding a module
When you are using python and you attempt to use a module that python can't find you will get an error. You must then use the python pip installer tool to add the new library.
Getting MicroPython Libraries from PyPi
Filter Only MicroPython Libraries
Full List of modules
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100 | ESP-test audioop filecmp random
__future__ base64 fileinput re
_abc bcrypt fnmatch readline
_ast bdb formatter reedsolo
_asyncio binascii fractions reprlib
_bisect binhex ftplib resource
_blake2 bisect functools rlcompleter
_bootlocale bitstring gc runpy
_bz2 blink-builtin-led genericpath sched
_cffi_backend brain_argparse getopt secrets
_codecs brain_attrs getpass select
_codecs_cn brain_builtin_inference gettext selectors
_codecs_hk brain_collections glob send2trash
_codecs_iso2022 brain_crypt grp serial
_codecs_jp brain_curses gzip setuptools
_codecs_kr brain_dataclasses hashlib sh1106
_codecs_tw brain_dateutil heapq sh1106-test
_collections brain_fstrings hmac shelve
_collections_abc brain_functools html shlex
_compat_pickle brain_gi http shutil
_compression brain_hashlib i2c-display signal
_contextvars brain_http i2c-scanner site
_crypt brain_io i2c_lcd six
_csv brain_mechanize i2clcd smtpd
_ctypes brain_multiprocessing imaplib smtplib
_ctypes_test brain_namedtuple_enum imghdr sndhdr
_curses brain_nose imp socket
_curses_panel brain_numpy_core_fromnumeric importlib socketserver
_datetime brain_numpy_core_function_base inspect spi-debug
_dbm brain_numpy_core_multiarray io sqlite3
_decimal brain_numpy_core_numeric ipaddress sre_compile
_dummy_thread brain_numpy_core_numerictypes isort sre_constants
_elementtree brain_numpy_core_umath itertools sre_parse
_functools brain_numpy_ndarray jedi ssl
_hashlib brain_numpy_random_mtrand json stat
_heapq brain_numpy_utils keyword statistics
_imp brain_pkg_resources lazy_object_proxy string
_io brain_pytest led-strip stringprep
_json brain_qt lib2to3 struct
_locale brain_random linecache subprocess
_lsprof brain_re list-modules sunau
_lzma brain_six locale symbol
_markupbase brain_ssl logging symtable
_md5 brain_subprocess lzma sys
_multibytecodec brain_threading macpath sysconfig
_multiprocessing brain_typing mailbox syslog
_opcode brain_uuid mailcap tabnanny
_operator builtins marshal tarfile
_osx_support bz2 math telnetlib
_pickle cProfile mccabe tempfile
_posixsubprocess calendar mimetypes termios
_py_abc certifi mmap test
_pydecimal cffi modulefinder textwrap
_pyio cgi multiprocessing this
_queue cgitb mypy thonny
_random chunk mypy_extensions threading
_scproxy clonevirtualenv mypyc time
_sha1 cmath nacl timeit
_sha256 cmd netrc tkinter
_sha3 code nis token
_sha512 codecs nntplib tokenize
_signal codeop ntpath toml
_sitebuiltins collections nturl2path trace
_socket colorsys numbers traceback
_sqlite3 compileall opcode tracemalloc
_sre concurrent operator tty
_ssl configparser optparse turtle
_stat contextlib os turtledemo
_string contextvars paramiko typed_ast
_strptime copy parser types
_struct copyreg parso typing
_symtable crypt pathlib typing_extensions
_sysconfigdata_m_darwin_darwin cryptography pdb unicodedata
_testbuffer csv pickle unittest
_testcapi ctypes pickletools urllib
_testimportmultiple curses pip uu
_testmultiphase dataclasses pipenv uuid
_thread datetime pipes venv
_threading_local dbm pkg_resources virtualenv
_tkinter decimal pkgutil virtualenv_support
_tracemalloc difflib platform warnings
_uuid dir-example plistlib wave
_warnings dis poplib weakref
_weakref distutils posix webbrowser
_weakrefset doctest posixpath websockets
_xxtestfuzz docutils pprint wheel
abc dummy_threading profile wrapt
aifc easy_install pstats wsgiref
antigravity ecdsa pty xdrlib
argparse email ptyprocess xml
array encodings pwd xmlrpc
array-test ensurepip py_compile xxlimited
ast enum pyclbr xxsubtype
astroid errno pycparser zipapp
asttokens espefuse pydoc zipfile
asynchat espressif pydoc_data zipimport
asyncio espsecure pyexpat zlib
asyncore esptool pylint
at faulthandler queue
atexit fcntl quopri
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