Taxonomy Distribution Report

Overview

• Total Concepts: 326
• Number of Taxonomies: 15
• Average Concepts per Taxonomy: 21.7

Distribution Summary

Category	TaxonomyID	Count	Percentage	Status
Digital Audio and I2S	AUD	30	9.2%	✅
Round Display Graphics	DISP	26	8.0%	✅
Signal Processing and FFT	DSP	26	8.0%	✅
Networking and Agent Link	NET	26	8.0%	✅
Wake-Word Detection	WAKE	24	7.4%	✅
School Agent and Calendar	SCH	24	7.4%	✅
Personal Agents and Architecture	FND	22	6.7%	✅
Pico Kit Hardware	HWK	22	6.7%	✅
MQTT and Push Alerts	MQTT	22	6.7%	✅
MicroPython Review	MPY	20	6.1%	✅
High-Performance MicroPython	PERF	20	6.1%	✅
Privacy and Responsible Listening	PRIV	18	5.5%	✅
Buttons and Device Modes	BTN	16	4.9%	✅
Testing, Integration and Capstones	TEST	16	4.9%	✅
Mic Calibration and Push-to-Talk	CAL	14	4.3%	✅

Visual Distribution

Digital Audio and I2S     ████  30 (  9.2%)
Round Display Graphics    ███  26 (  8.0%)
Signal Processing and FFT ███  26 (  8.0%)
Networking and Agent Link ███  26 (  8.0%)
Wake-Word Detection       ███  24 (  7.4%)
School Agent and Calendar ███  24 (  7.4%)
Personal Agents and Archi ███  22 (  6.7%)
Pico Kit Hardware         ███  22 (  6.7%)
MQTT and Push Alerts      ███  22 (  6.7%)
MicroPython Review        ███  20 (  6.1%)
High-Performance MicroPyt ███  20 (  6.1%)
Privacy and Responsible L ██  18 (  5.5%)
Buttons and Device Modes  ██  16 (  4.9%)
Testing, Integration and  ██  16 (  4.9%)
Mic Calibration and Push- ██  14 (  4.3%)

Balance Analysis

✅ No Over-Represented Categories

All categories are under the 30% threshold. Good balance!

Category Details

Digital Audio and I2S (AUD)

Count: 30 concepts (9.2%)

Concepts:

• 1. Sound Wave
• 1. Frequency
• 1. Amplitude
• 1. Sampling
• 1. Sample Rate
• 1. Bit Depth
• 1. Nyquist Limit
• 1. Aliasing
• 1. Analog to Digital Conversion
• 1. I2S Bus
• 1. Bit Clock
• 1. Word Select
• 1. Serial Data Line
• 1. machine.I2S Class
• 1. I2S Receive
• ...and 15 more

Round Display Graphics (DISP)

Count: 26 concepts (8.0%)

Concepts:

• 1. SPI Bus
• 1. SPI Display Driver
• 1. Pixel
• 1. RGB565 Color
• 1. Frame Buffer
• 1. Frame Size Calculation
• 1. Full-Frame Update
• 1. Update Bandwidth
• 1. Direct Region Write
• 1. Drawing Window
• 1. Dirty Region
• 1. Region Layout
• 1. Text Rendering
• 1. Fonts
• 1. Clock Face Geometry
• ...and 11 more

Signal Processing and FFT (DSP)

Count: 26 concepts (8.0%)

Concepts:

• 1. Time Domain
• 1. Frequency Domain
• 1. Fourier Transform
• 1. Discrete Fourier Transform
• 1. FFT
• 1. FFT Size
• 1. Frequency Bin
• 1. Bin Width
• 1. Magnitude Spectrum
• 1. Spectrogram
• 1. Windowing
• 1. Hann Window
• 1. Spectral Leakage
• 1. Twiddle Factors
• 1. Bit-Reversal Table
• ...and 11 more

Networking and Agent Link (NET)

Count: 26 concepts (8.0%)

Concepts:

• 1. Wi-Fi Connection
• 1. Network Station Mode
• 1. IP Address
• 1. HTTP Protocol
• 1. HTTP POST
• 1. JSON
• 1. REST Endpoint
• 1. requests Library
• 1. Chunked Audio Upload
• 1. Audio Chunk Size
• 1. Speech-to-Text Service
• 1. Text-to-Speech Service
• 1. WebSocket
• 1. Streaming Audio
• 1. Barge-In Interruption
• ...and 11 more

Wake-Word Detection (WAKE)

Count: 24 concepts (7.4%)

Concepts:

• 1. Wake Word
• 1. Hey Pico Phrase
• 1. Always-On Listening
• 1. Wake-Word Enrollment
• 1. Template Matching
• 1. Template Correlation
• 1. Feature Extraction
• 1. Mean Subtraction
• 1. Unit Normalization
• 1. Dot Product Score
• 1. Rolling Window
• 1. Window Fill Percentage
• 1. Detection Threshold
• 1. False Accept
• 1. False Reject
• ...and 9 more

School Agent and Calendar (SCH)

Count: 24 concepts (7.4%)

Concepts:

• 1. School Calendar
• 1. iCalendar Format
• 1. ICS Feed
• 1. Events JSON File
• 1. Event Parsing
• 1. Test Date Detection
• 1. Project Due Date
• 1. TEST and DUE Prefixes
• 1. Event Categories
• 1. Time Zones
• 1. Daily Briefing
• 1. Reminder
• 1. Upcoming Events Query
• 1. Calendar Polling
• 1. Server-Side Parsing
• ...and 9 more

Personal Agents and Architecture (FND)

Count: 22 concepts (6.7%)

Concepts:

• 1. Personal Agent
• 1. Chatbot Versus Agent
• 1. Cloud Agent
• 1. Self-Hosted Agent
• 1. Open Hardware
• 1. Open Source Software
• 1. Open Study Buddy Device
• 1. Agent Terminal
• 1. Buddy Server
• 1. Request-Reply Contract
• 1. Swappable Brain
• 1. Agent Progression Levels
• 1. Rule-Based Agent
• 1. LLM-Backed Agent
• 1. Open-Source Agent Framework
• ...and 7 more

Pico Kit Hardware (HWK)

Count: 22 concepts (6.7%)

Concepts:

• 1. Raspberry Pi Pico 2 W
• 1. RP2350 Microcontroller
• 1. Dual Core Processor
• 1. Cortex-M33 Core
• 1. SRAM
• 1. Wi-Fi Radio
• 1. Round Color Display
• 1. Display Controller
• 1. INMP441 Microphone
• 1. MEMS Microphone
• 1. MAX98357A Amplifier
• 1. Class-D Amplifier
• 1. Speaker
• 1. Push Button
• 1. Breadboard
• ...and 7 more

MQTT and Push Alerts (MQTT)

Count: 22 concepts (6.7%)

Concepts:

• 1. MQTT Protocol
• 1. Publish-Subscribe Pattern
• 1. Request-Response Pattern
• 1. MQTT Broker
• 1. Mosquitto
• 1. Publisher
• 1. Subscriber
• 1. Topic
• 1. Topic Naming Scheme
• 1. Topic Wildcards
• 1. QoS Levels
• 1. Retained Message
• 1. Last Will
• 1. umqtt Library
• 1. check_msg Polling
• ...and 7 more

MicroPython Review (MPY)

Count: 20 concepts (6.1%)

Concepts:

• 1. MicroPython Review
• 1. Thonny IDE
• 1. REPL
• 1. mpremote
• 1. mip Package Manager
• 1. Modules and Imports
• 1. machine Library
• 1. GPIO Pin
• 1. Interrupt
• 1. Interrupt Service Routine
• 1. Timer
• 1. Memory Limits
• 1. Garbage Collection
• 1. Heap Fragmentation
• 1. Byte Arrays
• ...and 5 more

High-Performance MicroPython (PERF)

Count: 20 concepts (6.1%)

Concepts:

• 1. Pure Python FFT
• 1. Viper Code
• 1. Inline Assembly
• 1. Assembly FFT
• 1. Typed Arrays
• 1. Array Passed By Address
• 1. Avoiding Allocation
• 1. Pre-Allocated Buffers
• 1. Cycle Counter
• 1. DWT Timer
• 1. Timing Verification
• 1. Benchmarking
• 1. Frame Overrun
• 1. Real-Time Constraint
• 1. Dual Core Use
• ...and 5 more

Privacy and Responsible Listening (PRIV)

Count: 18 concepts (5.5%)

Concepts:

• 1. Privacy
• 1. Consent
• 1. Parent and School Approval
• 1. Always-On Approval Process
• 1. Data Minimization
• 1. Data Retention
• 1. Local Versus Cloud Processing
• 1. Student Privacy Law
• 1. Hardware Mute Switch
• 1. Listening Indicator
• 1. Audio Not Stored
• 1. Transcript Handling
• 1. Broker Exposure Risk
• 1. Secrets Management
• 1. Threat Model
• ...and 3 more

Buttons and Device Modes (BTN)

Count: 16 concepts (4.9%)

Concepts:

• 1. Mode Button
• 1. Up Button
• 1. Down Button
• 1. Button Debouncing
• 1. Falling Edge Detection
• 1. Long Press
• 1. Menu Navigation
• 1. State Machine
• 1. Device Modes
• 1. Event Loop
• 1. Non-Blocking Code
• 1. Button Interrupt
• 1. User Feedback
• 1. Status Indicator
• 1. Settings Screen
• ...and 1 more

Testing, Integration and Capstones (TEST)

Count: 16 concepts (4.9%)

Concepts:

• 1. Probe Programs
• 1. Self-Test Program
• 1. Wiring Verification
• 1. Logging
• 1. Serial Debugging
• 1. Frame Overrun Counter
• 1. Diagnosing Silent Microphone
• 1. Diagnosing Distorted Audio
• 1. Diagnosing Blank Display
• 1. System Integration
• 1. Capstone Project
• 1. Clap Detector
• 1. Classroom Noise Monitor
• 1. Study Timer Buddy
• 1. Homework Reminder Buddy
• ...and 1 more

Mic Calibration and Push-to-Talk (CAL)

Count: 14 concepts (4.3%)

Concepts:

• 1. Noise Floor
• 1. Speech Level
• 1. Signal-to-Noise Ratio
• 1. Speech Floor Gate
• 1. Level Gate
• 1. Microphone Calibration
• 1. Clipping Detection
• 1. Mic Distance Effect
• 1. Push-to-Talk
• 1. Recording an Utterance
• 1. Utterance Boundaries
• 1. Voice Activity Detection
• 1. Calibration Config Value
• 1. Room Acoustics

Recommendations

• ✅ Excellent balance: Categories are evenly distributed (spread: 4.9%)
• ✅ MISC category minimal: Good categorization specificity

Educational Use Recommendations

• Use taxonomy categories for color-coding in graph visualizations
• Design curriculum modules based on taxonomy groupings
• Create filtered views for focused learning paths
• Use categories for assessment organization
• Enable navigation by topic area in interactive tools

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Report generated by learning-graph-reports/taxonomy_distribution.py