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Amir
08db5888cb
Updated version information for firmware 6.1.1, including fixes for price markers and daily average calculations.
1.5 KiB
1.5 KiB
Electricity Price Ticker – Version Information
Current firmware
- Version: 6.1.1
- Release date: 2026-03-07
- Target MCU: Seeed XIAO ESP32‑C3
- Display: 20x4 I²C LCD (PCF8574, default address
0x27) - API endpoint:
https://api.energy-charts.info/price?bzn=SI - Resolution: 15‑minute intervals, hourly averages for overview
Highlights of v6.1.1
- Fix: daily lowest/highest hourly price marker now includes negative and 0.0 prices.
- Fix: daily average is computed over the number of valid hours (instead of always dividing by 24 even when hours were skipped).
For full details, see:
Previous firmware
- Version: 6.0.0
- Release date: 2026-01-27
- Target MCU: Seeed XIAO ESP32‑C3
- Display: 20x4 I²C LCD (PCF8574, default address
0x27) - API endpoint:
https://api.energy-charts.info/price?bzn=SI - Resolution: 15‑minute intervals, hourly averages for overview
Highlights of v6.0.0
- Single daily fetch (on boot / after midnight) instead of hourly.
- NVS storage of daily data for resilience to power outages.
- Robust midnight rollover and retry logic:
- First immediate fetch.
- Up to 5 × 10‑minute retries.
- Then top‑of‑hour retries until successful.
- Prevents yesterday’s prices from ever being shown as today’s.
- Secondary info menu extended with NVS status and clear version label.