diff --git a/README.md b/README.md index 3b33fe0..341adbc 100644 --- a/README.md +++ b/README.md @@ -18,7 +18,11 @@ usage limitation ========== -Features I already implement: +The built-in 5V DC-DC converter is only rated up to 5A, limiting the total maximum output to 25W. +This means you can power up to 5 m of WS2812b 30 LEDs/m strip at full brightness. +For more, limit the brightness in WLED, or use multiple boards and chain them. + +Features already implemented: - daisy chain capability (providing data and power) - built-in power 5V power supply (input up to 36V, output up to 5A) @@ -32,15 +36,15 @@ Features I already implement: - external WiFi antenna port, by using the I variant of the ESP32-S2-WROOM, with appropriate connector - PCB fitting in [sonoff waterproof enclosure](https://www.sonoffegypt.com/products/sonoff-ip66-waterproof-case) -Features I might implement: +Features that might get implemented: - microphone/line in for sound reactive (use [ESP32-LyraT-Mini](https://docs.espressif.com/projects/esp-adf/en/latest/design-guide/dev-boards/board-esp32-lyrat-mini-v1.2.html) design as reference) - RDM support (mostly software support) -- automotive fuse protection +- automotive fuse protection (input or output protection) - high voltage input (up to 60V, using TPS54560DDAR) -- reverse polarity input protection (but not output) +- input protection (reverse polarity, PPTC) -Features I will not add: +Features will not be implemented: - XLR DMX512 connectors: they take too much space and I never know if I should use the 3 or 5-pin variant. Instead I will design a separate DMX + power injector splitter board - full isolation: not really needed as the devices should be chained with a single power supply, preventing any ground potential difference. The splitter board will provide isolation, at the beginning of the chain.