|   |  | 
      | 
       _ |  | 
     
        | 
       
       _thread | 
       multithreading support | 
      |   |  | 
      | 
       a |  | 
     
        | 
       
       ai | 
       Artificial Intelligence | 
     
        | 
       
       audio | 
       Get audio samples. | 
      |   |  | 
      | 
       b |  | 
     
        | 
       
       btree | 
       simple BTree database | 
     
        | 
       
       buzzer | 
       buzzer driver | 
      |   |  | 
      | 
       c |  | 
     
        | 
       
       cmath | 
       mathematical functions for complex numbers | 
     
        | 
       
       cpufreq | 
       CPU Frequency Control | 
      |   |  | 
      | 
       d |  | 
     
        | 
       
       display | 
       display driver | 
      |   |  | 
      | 
       f |  | 
     
        | 
       
       fir | 
       thermal sensor driver (fir == far infrared) | 
     
        | 
       
       framebuf | 
       Frame buffer manipulation | 
      |   |  | 
      | 
       g |  | 
     
        | 
       
       gc | 
       control the garbage collector | 
      |   |  | 
      | 
       i |  | 
     
        | 
       
       image | 
       machine vision | 
     
        | 
       
       imu | 
       imu sensor | 
      |   |  | 
      | 
       m |  | 
     
        | 
       
       machine | 
       functions related to the hardware | 
     
        | 
       
       math | 
       mathematical functions | 
     
        | 
       
       micro_speech | 
       Example voice recognition module | 
     
        | 
       
       micropython | 
       access and control MicroPython internals | 
     
        | 
       
       mp4 | 
       mp4 recording | 
      |   |  | 
      | 
       n |  | 
     
        | 
       
       network | 
       network configuration | 
      |   |  | 
      | 
       p |  | 
     
        | 
       
       pyb | 
       functions related to the board | 
      |   |  | 
      | 
       r |  | 
     
        | 
       
       rk | 
       functionality specific to RV1106 MCUs | 
     
        | 
       
       rpc | 
       rpc library | 
      |   |  | 
      | 
       s |  | 
     
        | 
       
       sensor | 
       camera sensor | 
      |   |  | 
      | 
       t |  | 
     
        | 
       
       tv | 
       tv shield driver | 
      |   |  | 
      | 
       u |  | 
     
        | 
       
       uarray | 
       efficient arrays of numeric data | 
     
        | 
       
       uasyncio | 
       asynchronous I/O scheduler for writing concurrent code | 
     
        | 
       
       ubinascii | 
       binary/ASCII conversions | 
     
        | 
       
       ubluetooth | 
       Low-level Bluetooth radio functionality | 
     
        | 
       
       ucollections | 
       collection and container types | 
     
        | 
       
       ucryptolib | 
       cryptographic ciphers | 
     
        | 
       
       uctypes | 
       access binary data in a structured way | 
     
        | 
       
       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 | 
       regular expressions | 
     
        | 
       
       uselect | 
       wait for events on a set of streams | 
     
        | 
       
       usocket | 
       socket module | 
     
        | 
       
       ussl | 
       TLS/SSL wrapper for socket objects | 
     
        | 
       
       ustruct | 
       pack and unpack primitive data types | 
     
        | 
       
       usys | 
       system specific functions | 
     
        | 
       
       utime | 
       time related functions | 
     
        | 
       
       uzlib | 
       zlib decompression | 
      |   |  | 
      | 
       z |  | 
     
        | 
       
       znzpi | 
       znzpi Cam Information |