v1.2.1 — Translate comments and debug strings to English

i18n cleanup — no API change.

• 26 source files + 8 example sketches
• ~220 comment lines translated FR → EN (banners, doc-comments, inline)
• ~12 Serial.print(F(...)) debug strings translated (gated behind INSTANT_DEBUG)
• Zero code identifier renamed, zero logic change

If you compile any v1.2.0 sketch with v1.2.1 → identical binary output.

v1.2.0 — Public-ready release

First fully public-ready release of the Arduino client.

Highlights since v1.1.0

• MIT licensed, English README + ARCHITECTURE, contributor-friendly
• Modern declarative DSL — I<Widget>("id") { WHEN_* { ... } } blocks at file scope, no boilerplate event handlers (legacy ON_* macros still work)
• New BarChart display widget — Arduino → app, multi-bar live values
• New WiFi-to-Server transport (InstantIoTWiFiServer)
  • Connects as TCP client to a self-hosted InstantIoT Server
  • Adaptive heartbeat (token:heartbeatMs) → offline detection ≤12.5s
  • Reconnect with jitter (anti-thundering-herd) + per-platform RX/TX buffer sizes
• Binary protocol cleanup — strict directional widget contract (controls = app → board, displays = board → app); EmergencyButton added; AdvancedChart setSeriesData implemented
• Bluetooth Classic, BLE and SoftwareSerial transports remain in source as "preview" (not yet exposed by the mobile app)

Supported boards

ESP32, ESP8266, Arduino Uno R4 WiFi

InstantIoT v1.1.0 — Binary Protocol

What's New

• Binary protocol v1 — 5x smaller and faster than JSON
• Bluetooth Classic support (ESP32)
• BLE support via NimBLE (ESP32, experimental)
• SoftwareSerial support for Uno/Nano/Mega (experimental)
• Arduino Uno R4 WiFi support
• 16 widgets validated on hardware
• Improved security — bounds-check on all string parsing

Breaking Change

This version uses a new binary protocol. Sketches from v1.0.0 (JSON) are not compatible.
See the README for migration.

Supported Platforms

• ESP32
• ESP8266
• Arduino Uno R4 WiFi
• Arduino Uno / Mega / Nano (Serial, experimental)

Full Changelog: v1.1.0...v1.1.0