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      Programming

      Programming quests build practical progression through the programming skill tree. This page is a QA-oriented map of quest dependencies, process IO, and inventory gates.

      Quest tree

      1. Set Up Temperature Logger
      2. Log Temperature Data
      3. Compute Average Temperature
      4. Graph Temperature Logs
      5. Clean and graph your temperature logs
      6. Compute Median Temperature
      7. Compute Moving Average Temperature
      8. Plot Temperature Data via CLI
      9. Compute Temperature Standard Deviation
      10. Calibrate a Thermistor
      11. Serve a Web Page
      12. Serve JSON Data
      13. Serve JSON Data
      14. Accept POST Data
      15. Serve Temperature as JSON
      16. Serve a live temperature graph
      17. Set Temperature Alert
      18. Email Temperature Alert

      1) Set Up Temperature Logger (programming/hello-sensor)

      • Quest link: /quests/programming/hello-sensor
      • Unlock prerequisite:
        • requiresQuests: electronics/arduino-blink
      • Dialogue requiresItems gates:
        • bench → "Parts are placed and powered" - Arduino Uno ×1, solderless breadboard ×1, Jumper Wires ×3, Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1, USB Type-A to Type-B cable ×1, Laptop Computer ×1
        • bench-fix → "Bench is safe and stable now" - Arduino Uno ×1, Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1
        • rig → "Logger is wired and blinking" - thermistor logging rig ×1
        • rig-recover → "Signal is stable; retry the rig step" - thermistor logging rig ×1
        • log → "CSV archived for reuse" - temperature log CSV ×1
        • verify-log → "Log passes QA checks" - temperature log CSV ×1, thermistor logging rig ×1
        • log-retry → "Re-test the replacement CSV" - temperature log CSV ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • Servo Motor ×1
      • Processes used:
        • arduino-thermistor-read
          • Requires: Arduino Uno ×1, solderless breadboard ×1, Jumper Wires ×3, USB Cable ×1, Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1
          • Consumes: none
          • Creates: none
        • assemble-thermistor-logger
          • Requires: Arduino Uno ×1, solderless breadboard ×1, Jumper Wires ×4, Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1, USB Type-A to Type-B cable ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: thermistor logging rig ×1
        • capture-hourly-temperature-log
          • Requires: thermistor logging rig ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: temperature log CSV ×1

      2) Log Temperature Data (programming/temp-logger)

      • Quest link: /quests/programming/temp-logger
      • Unlock prerequisite:
        • requiresQuests: electronics/thermistor-reading
      • Dialogue requiresItems gates:
        • wire → "Rig is wired and sketch uploaded" - thermistor logging rig ×1
        • log → "CSV captured for review" - temperature log CSV ×1
        • interpret → "Range and cadence pass review" - temperature log CSV ×1, thermistor logging rig ×1
        • recover → "New CSV ready for re-test" - temperature log CSV ×2
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • Motor Award ×1
      • Processes used:
        • assemble-thermistor-logger
          • Requires: Arduino Uno ×1, solderless breadboard ×1, Jumper Wires ×4, Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1, USB Type-A to Type-B cable ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: thermistor logging rig ×1
        • capture-hourly-temperature-log
          • Requires: thermistor logging rig ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: temperature log CSV ×1

      3) Compute Average Temperature (programming/avg-temp)

      • Quest link: /quests/programming/avg-temp
      • Unlock prerequisite:
        • requiresQuests: programming/temp-logger
      • Dialogue requiresItems gates:
        • start → "Load the CSV" - temperature log CSV ×1
        • prep → "Data looks clean" - temperature line chart ×1
        • compute → "Averages plotted and saved" - annotated temperature graph ×1
        • interpret → "Average is within expected range and documented" - temperature line chart ×1, annotated temperature graph ×1
        • retest → "Re-test with fresh log + rebuilt graph artifacts" - temperature log CSV ×2, annotated temperature graph ×2
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1
        • refine-temperature-graph
          • Requires: temperature line chart ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: annotated temperature graph ×1
        • capture-hourly-temperature-log
          • Requires: thermistor logging rig ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: temperature log CSV ×1

      4) Graph Temperature Logs (programming/graph-temp)

      • Quest link: /quests/programming/graph-temp
      • Unlock prerequisite:
        • requiresQuests: programming/temp-logger
      • Dialogue requiresItems gates:
        • start → "Let's create a graph." - temperature log CSV ×1
        • prep → "Chart exported for review" - temperature line chart ×1
        • interpret → "Trend and bounds look healthy" - temperature line chart ×1
        • triage → "I corrected wiring and re-ran the graph" - annotated temperature graph ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1
        • refine-temperature-graph
          • Requires: temperature line chart ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: annotated temperature graph ×1

      5) Clean and graph your temperature logs (programming/graph-temp-data)

      • Quest link: /quests/programming/graph-temp-data
      • Unlock prerequisite:
        • requiresQuests: programming/graph-temp
      • Dialogue requiresItems gates:
        • start → "I'll stage the cleanup run." - temperature line chart ×1, temperature log CSV ×1
        • prep → "Annotated graph exported" - annotated temperature graph ×1
        • interpret → "Graph is in-range and cadence is stable" - annotated temperature graph ×1, temperature line chart ×1
        • triage → "Wiring corrected; rerun annotated graph" - temperature line chart ×2
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • live temperature JSON endpoint ×1
      • Processes used:
        • refine-temperature-graph
          • Requires: temperature line chart ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: annotated temperature graph ×1
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1

      6) Compute Median Temperature (programming/median-temp)

      • Quest link: /quests/programming/median-temp
      • Unlock prerequisite:
        • requiresQuests: programming/avg-temp
      • Dialogue requiresItems gates:
        • start → "Use my latest logger export" - temperature log CSV ×1
        • collect → "Dataset passes sanity checks" - Raspberry Pi 5 board ×1, temperature log CSV ×1
        • repair → "Cleaned file is ready for re-check" - temperature log CSV ×1
        • compute → "Median report generated" - Raspberry Pi 5 board ×1
        • verify → "Median is within expected range" - Raspberry Pi 5 board ×1, temperature log CSV ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • None

      7) Compute Moving Average Temperature (programming/moving-avg-temp)

      • Quest link: /quests/programming/moving-avg-temp
      • Unlock prerequisite:
        • requiresQuests: programming/avg-temp
      • Dialogue requiresItems gates:
        • start → "Use the latest logger export." - temperature log CSV ×1
        • prep → "Baseline plot ready" - temperature line chart ×1
        • interpret → "Trend is smooth and in-bounds" - aquarium thermometer (0-50°C) ×1, temperature line chart ×1
        • retest → "Re-test corrected output" - annotated temperature graph ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1
        • refine-temperature-graph
          • Requires: temperature line chart ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: annotated temperature graph ×1

      8) Plot Temperature Data via CLI (programming/plot-temp-cli)

      • Quest link: /quests/programming/plot-temp-cli
      • Unlock prerequisite:
        • requiresQuests: programming/temp-logger
      • Dialogue requiresItems gates:
        • start → "Stage the CLI run" - temperature log CSV ×1
        • prep → "Baseline chart exported" - temperature line chart ×1
        • interpret → "Plot is stable and in expected range" - temperature line chart ×1
        • retest → "Re-check regenerated chart" - temperature log CSV ×2, temperature line chart ×2
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1
        • capture-hourly-temperature-log
          • Requires: thermistor logging rig ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: temperature log CSV ×1

      9) Compute Temperature Standard Deviation (programming/stddev-temp)

      • Quest link: /quests/programming/stddev-temp
      • Unlock prerequisite:
        • requiresQuests: programming/median-temp
      • Dialogue requiresItems gates:
        • start → "Load the latest dataset" - temperature log CSV ×1
        • prep → "Deviation report generated" - temperature line chart ×1
        • interpret → "Deviation is in expected band and documented" - temperature line chart ×1
        • retest → "Re-test with the new log" - temperature log CSV ×2, temperature line chart ×2
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • shell transcript ×1
      • Processes used:
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1
        • capture-hourly-temperature-log
          • Requires: thermistor logging rig ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: temperature log CSV ×1

      10) Calibrate a Thermistor (programming/thermistor-calibration)

      • Quest link: /quests/programming/thermistor-calibration
      • Unlock prerequisite:
        • requiresQuests: programming/hello-sensor
      • Dialogue requiresItems gates:
        • wire → "Hardware ready" - Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1, Arduino Uno ×1
        • rewire → "Wiring corrected, retry calibration setup" - Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1
        • baseline → "Baseline noted and reference stable" - Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1
        • adjust → "Adjusted values look consistent" - Arduino Uno ×1, Thermistor (10k NTC) ×1
        • drift → "Retry coefficient adjustment" - Arduino Uno ×1
        • verify → "Calibration passes repeated verification" - Arduino Uno ×1, Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • arduino-thermistor-read
          • Requires: Arduino Uno ×1, solderless breadboard ×1, Jumper Wires ×3, USB Cable ×1, Thermistor (10k NTC) ×1, 10k Ohm Resistor ×1
          • Consumes: none
          • Creates: none

      11) Serve a Web Page (programming/web-server)

      • Quest link: /quests/programming/web-server
      • Unlock prerequisite:
        • requiresQuests: programming/hello-sensor
      • Dialogue requiresItems gates:
        • start → "I'll prep static assets and dependencies." - temperature log CSV ×1, Laptop Computer ×1
        • prep → "Assets ready for server launch" - temperature line chart ×1
        • deploy → "Service passes remote checks" - temperature line chart ×1, Raspberry Pi 5 board ×1
        • recover → "Patched config; re-run remote checks" - annotated temperature graph ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1
        • refine-temperature-graph
          • Requires: temperature line chart ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: annotated temperature graph ×1

      12) Serve JSON Data (programming/json-endpoint)

      • Quest link: /quests/programming/json-endpoint
      • Unlock prerequisite:
        • requiresQuests: programming/web-server
      • Dialogue requiresItems gates:
        • start → "Plan endpoint hardening" - temperature log CSV ×1, thermistor logging rig ×1, Raspberry Pi 5 board ×1
        • wire → "Three clean reads captured; proceed to endpoint deploy" - thermistor logging rig ×1, Raspberry Pi 5 board ×1, temperature log CSV ×1
        • recover-serial → "Serial stream is stable again" - temperature log CSV ×2
        • publish → "Endpoint deployed; run contract checks" - live temperature JSON endpoint ×1
        • verify → "Both healthy and failure-mode checks pass" - live temperature JSON endpoint ×1, temperature log CSV ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • live temperature JSON endpoint ×1
      • Processes used:
        • pyserial-install
          • Requires: Raspberry Pi 5 board ×1
          • Consumes: none
          • Creates: none
        • raspberry-pi-serial-log
          • Requires: Arduino Uno ×1, Raspberry Pi 5 board ×1, USB Cable ×1
          • Consumes: none
          • Creates: none
        • deploy-temperature-json-endpoint
          • Requires: thermistor logging rig ×1, temperature log CSV ×1, Raspberry Pi 5 board ×1
          • Consumes: none
          • Creates: live temperature JSON endpoint ×1

      13) Serve JSON Data (programming/json-api)

      • Quest link: /quests/programming/json-api
      • Unlock prerequisite:
        • requiresQuests: programming/web-server, programming/json-endpoint, programming/avg-temp
      • Dialogue requiresItems gates:
        • start → "Design payload contracts" - live temperature JSON endpoint ×1, temperature log CSV ×1
        • stats → "Stats payload passes contract review" - annotated temperature graph ×1, temperature log CSV ×1
        • schema-recovery → "Schema is repaired; re-run stats validation" - temperature log CSV ×2
        • publish → "Dashboard and docs published" - live temperature dashboard ×1, live temperature JSON endpoint ×1
        • verify → "Both happy-path and stale-data checks pass" - live temperature dashboard ×1, annotated temperature graph ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • basic shell operator badge ×1
      • Processes used:
        • refine-temperature-graph
          • Requires: temperature line chart ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: annotated temperature graph ×1
        • publish-live-temperature-graph
          • Requires: live temperature JSON endpoint ×1, annotated temperature graph ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: live temperature dashboard ×1

      14) Accept POST Data (programming/http-post)

      • Quest link: /quests/programming/http-post
      • Unlock prerequisite:
        • requiresQuests: programming/json-api
      • Dialogue requiresItems gates:
        • start → "I'm ready" - live temperature JSON endpoint ×1, Raspberry Pi 5 board ×1
        • schema → "Server returns 201 for valid payloads" - live temperature JSON endpoint ×1
        • recover → "Hardening patch applied; retest" - Raspberry Pi 5 board ×1
        • verify → "Both tests behave as expected" - live temperature JSON endpoint ×1, Raspberry Pi 5 board ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • live temperature JSON endpoint ×1
      • Processes used:
        • deploy-temperature-json-endpoint
          • Requires: thermistor logging rig ×1, temperature log CSV ×1, Raspberry Pi 5 board ×1
          • Consumes: none
          • Creates: live temperature JSON endpoint ×1

      15) Serve Temperature as JSON (programming/temp-json-api)

      • Quest link: /quests/programming/temp-json-api
      • Unlock prerequisite:
        • requiresQuests: programming/json-api
      • Dialogue requiresItems gates:
        • start → "Sounds great." - temperature log CSV ×1, thermistor logging rig ×1, Raspberry Pi 5 board ×1
        • code → "Endpoint is live. Let's validate sample readings." - live temperature JSON endpoint ×1
        • pass-window → "Validation logged." - live temperature JSON endpoint ×1
      • Troubleshooting/safety branches:
        • sample adds an explicit pass/fail range gate (18-30C) before completion.
        • out-of-range pauses automation, routes through endpoint patching, and requires a re-test loop.
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • live temperature JSON endpoint ×1
      • Processes used:
        • deploy-temperature-json-endpoint
          • Requires: thermistor logging rig ×1, temperature log CSV ×1, Raspberry Pi 5 board ×1
          • Consumes: none
          • Creates: live temperature JSON endpoint ×1

      16) Serve a live temperature graph (programming/temp-graph)

      • Quest link: /quests/programming/temp-graph
      • Unlock prerequisite:
        • requiresQuests: programming/graph-temp-data, programming/temp-json-api
      • Dialogue requiresItems gates:
        • start → "Show me how." - live temperature JSON endpoint ×1, annotated temperature graph ×1, Laptop Computer ×1
        • code → "Dashboard is up. Let's verify the graph behavior." - live temperature dashboard ×1
        • stable → "Evidence captured." - live temperature dashboard ×1
      • Troubleshooting/safety branches:
        • review adds cadence plus value-window acceptance checks before finish can unlock.
        • drift enforces stale-data/cache troubleshooting with a required recheck loop.
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • live temperature JSON endpoint ×1
      • Processes used:
        • publish-live-temperature-graph
          • Requires: live temperature JSON endpoint ×1, annotated temperature graph ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: live temperature dashboard ×1

      17) Set Temperature Alert (programming/temp-alert)

      • Quest link: /quests/programming/temp-alert
      • Unlock prerequisite:
        • requiresQuests: programming/temp-graph
      • Dialogue requiresItems gates:
        • start → "I'll define the alert thresholds." - temperature log CSV ×1
        • prep → "Validation log captured" - temperature log CSV ×2
        • interpret → "Alert behavior matches policy" - aquarium thermometer (0-50°C) ×1, temperature log CSV ×1
        • tune → "Policy tuned; rerun alert validation" - temperature line chart ×1
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • shell transcript ×1
      • Processes used:
        • capture-hourly-temperature-log
          • Requires: thermistor logging rig ×1, Laptop Computer ×1
          • Consumes: none
          • Creates: temperature log CSV ×1
        • plot-temperature-data
          • Requires: Laptop Computer ×1
          • Consumes: none
          • Creates: temperature line chart ×1

      18) Email Temperature Alert (programming/temp-email)

      • Quest link: /quests/programming/temp-email
      • Unlock prerequisite:
        • requiresQuests: programming/temp-alert
      • Dialogue requiresItems gates:
        • start → "Configure alert thresholds" - temperature log CSV ×1
        • prep → "Email alert arrived with timestamp" - temperature log CSV ×1
        • interpret → "Alert timing and threshold behavior are correct" - temperature log CSV ×1
        • retest → "Re-validate email behavior" - temperature log CSV ×2
      • Grants:
        • Dialogue options/steps grantsItems: None
        • Quest-level grantsItems: None
      • Rewards:
        • live temperature JSON endpoint ×1
      • Processes used:

      QA flow notes

      • Cross-quest dependencies: follow quest unlocks in order; each quest above lists exact requiresQuests and inventory gates that must be present before completion paths appear.
      • Progression integrity checks: verify each process-backed step can be completed either by running the process or by satisfying the documented continuation gate items.
      • Known pitfalls: repeated processes may generate stackable logs or outputs; validate minimum item counts on continuation options before skipping process steps.