Update README.md

README.md

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 # DCC-Lokdecoder
-DCC multifunction decoder with 1 motor output and 10 function outputs.
+## Description
-DCC asymmetry can be detected (for automatic brake control)
+DCC multifunction decoder for H0 locomotives
+## Features
+- 1 motor H-bridge output
+  - 3.6 A peak current
+  - PWM frequency configurable (1-40 kHz)
+  - overcurrent and temperature protected
+- 10 function outputs
+  - 115 mA per output
+  - F0f, F0r, AUX1 and AUX2 are dimmable *todo*
+  - mappable to F0-F12 function keys
+- DCC asymmetry can be detected (for automatic brake control) *todo*
+## Hardware
+- 4-layer PCB esigned in KiCAD
+- fairly standard components (available from Digi-Key, Farnell, Mouser, etc...)
+- hand solderable (I did it too)
+- 4 debug LEDs
+## Firmware
+- Arduino compatible programming (behaves like an UNO)
+- DCC decoding by [NMRA](https://github.com/mrrwa/NmraDcc)
+
+## JMRI integration
+
+## Todo list
+- [ ] CV15, CV16 decoder locking
+- [ ] CV65 kick start
+- [ ] CV67-94 speed table
+- [ ] CV27 automatic brake control
+- [ ] function output dimming
+- [ ] motor fault check