|  |  |  | 
     |  | c |  | 
     
       |  | cmath | mathematical functions for complex numbers | 
     |  |  |  | 
     |  | e |  | 
     
       |  | esp | functions related to the ESP8266 | 
     |  |  |  | 
     |  | g |  | 
     
       |  | gc | control the garbage collector | 
     |  |  |  | 
     |  | m |  | 
     
       |  | math | mathematical functions | 
     
       |  | micropython | access and control MicroPython internals | 
     |  |  |  | 
     |  | n |  | 
     
       |  | network | network configuration | 
     |  |  |  | 
     |  | o |  | 
     
       |  | os | basic "operating system" services | 
     |  |  |  | 
     |  | p |  | 
     
       |  | pyb | functions related to the board | 
     |  |  |  | 
     |  | s |  | 
     
       |  | select | wait for events on a set of streams | 
     
       |  | struct | pack and unpack primitive data types | 
     
       |  | sys | system specific functions | 
     |  |  |  | 
     |  | t |  | 
     
       |  | time | time related functions | 
     |  |  |  | 
     |  | u |  | 
     
       |  | ubinascii | binary/ASCII conversions | 
     
       |  | uctypes | access C structures | 
     
       |  | uhashlib | hashing algorithm | 
     
       |  | uheapq | heap queue algorithm | 
     
       |  | ujson | JSON encoding and decoding | 
     
       |  | ure | regular expressions | 
     
       |  | usocket | socket module | 
     
       |  | uzlib | zlib decompression |