TTG WLED 4-LED Indicator Case

TTG WLED 4-LED Indicator Case (Home Assistant / WLED)This is a compact, self-contained 3D printed case designed for a WLED-powered 4-LED status indicator, ideal for Home Assistant notifications and glanceable system monitoring.Paired with an ESP8266 (D1 Mini) and WS2812B LEDs, this case creates a simple visual indicator that can display any numeric sensor — such as battery voltage, wind speed, air quality, printer status, or automation states — without screens or dashboards.What this case is designed forESP8266 D1 Mini (WLED)4 WS2812B LEDsLow-power, always-on indicator lightingDesk, shelf, or wall-mounted useHow it worksThe indicator uses the WLED “Percent” effect driven by a Home Assistant automation blueprint.Sensor values are mapped into four visual steps (low → medium → high → full), displayed as 1–4 illuminated LEDs.A built-in calibration system lets you fine-tune the indicator so it looks correct even if:You use 4 LEDsYour diffuser changes brightness perceptionWLED behavior varie