Multi‑function productivity + clock firmware for the M5StickC Plus featuring an LVGL‑inspired UI, task & daily reminders, Pomodoro timer, world news ticker, live brightness control, and robust offline resilience. Built with PlatformIO (Arduino + FreeRTOS on ESP32).32).

Clock page:

• Flat card with shadow, weekday chip (left) & timezone chip (right)ght)
• Large time above a divider, compact date, vertical battery bar (charging outline + bolt)
• Bottom scrolling news ticker (BBC + CNN) with cached offline fallback Tasks::
• One‑off items with staged deadline alerts (7 / 3 / 1 / 0 days before) Daily Reminders::
• Recurring items with custom hour/minute interval & enable flag Pomodoro:oro::
• Work / break phases, rounds chip, progress bar, buzzer cues System::
• Auto rotation via IMU, NTP + RTC fallback, AP provisioning + STA reconnect, mDNS host, persistent settings Extras::
• Adjustable ticker speed (1–5) and persistent display brightness (0–100) plus live (non‑persistent) brightness endpoint for smooth sliding updates

Target: M5StickC Plus (ESP32‑PICO‑D4) Peripherals: AXP192 (battery + brightness), MPU6886 (IMU), BM8563 (RTC), internal buzzer (LEDC))

• UiTask: draws active page, ticker (Clock only), handles buttons & page dotsdots
• OrientationTask: IMU sampling + debounced rotation
• WebTask: WiFi STA/AP logic, HTTP server, mDNS, endpoints
• ReminderTask: deadline stage notifications
• DailyReminderTask: recurring interval checks
• NewsTask: fetch + sanitize BBC & CNN RSS titles, merge & cachep; cache
• BuzzerTask: startup chime + short alert patterns

• tasks – newline list: id|deadlineUtc|stage|title
• daily3 – newline list: id|ivSec|last|en|title (migrates older formats)
• tzKey / tzPosix – selected timezone
• news_cache – last good concatenated headline string
• news_spd – ticker speed (1–5)
• brightness – persisted screen brightness (0–100)
• (WiFi creds stored by system)

• GET / – dashboard (timezone select, add task, tasks table, daily list/form, ticker speed, brightness slider)
• POST /add – add task (title + date)
• GET /delete?id=… – delete task
• POST /daily – add daily reminder (hours/minutes + title)
• GET /ddel?id=… – delete daily
• POST /settz – set timezone by key (country/region)
• POST /news – set ticker speed (1–5) and persisted brightness
• POST /brightness – live brightness (applies instantly; not persisted)
• GET /wifi & POST /wifi – AP provisioning / credential updatedate

1. Install PlatformIO (VS Code extension).
2. Connect M5StickC Plus via USB.
3. Run the provided task “Upload firmware” (invokes platformio run --target upload).
4. On first boot: join the AP (SSID shown) or note the STA IP at top center.
5. Open the IP (or mDNS hostname, if set) in a browser.

platformio.ini core deps:

• M5StickCPlus 0.1.1
• ArduinoJson ^6.21.x

• Btn A: cycle pages (Clock → Tasks → Pomodoro → Daily)
• Btn B: context (scroll list / start‑pause Pomodoro / etc.)
• Ticker speed & persisted brightness: adjust + SaveSave
• Live brightness: drag slider (fires POST /brightness continuously)
• Buzzer: startup chime; short alert for due / interval triggers

• Weekday + TZ chips share top row; time centered above divider; date compact below
• Battery bar shows fill + markers; charging adds cyan outline + bolt
• Ticker scroll speed scales with selected (1–5); offline shows cached string or status text

• Boot: read RTC → (if WiFi) NTP sync → write back RTC
• POSIX TZ from selection (DST honored via rules)

• Short HTTP timeouts, capped streaming, minimal allocations
• DNS pre‑check + per‑host cooldowns, fallback HTTP if HTTPS fails
• Last good ticker retained for offline display

• Inline edit for Daily items
• Battery percentage overlay
• Additional news sources (opt‑in) with conservative fetch budgets

Personal / educational use. Consider verifying third‑party feed terms before redistribution.

Concise summary: a focused, resilient productivity clock with clean visuals, safe networking, and adjustable UX (ticker speed + brightness) optimized for the M5StickC Plus.