diff --git a/PS2_Soarer_Converter/README.md b/PS2_Soarer_Converter/README.md
index 8ce533c..7490700 100644
--- a/PS2_Soarer_Converter/README.md
+++ b/PS2_Soarer_Converter/README.md
@@ -1 +1,38 @@
-fdsfsd
+# Soarer PS/2 to USB keyboard converter
+You need
+- ATMega32U4 Microcontroller/Arduino. E.g. Arduino Pro Micro
+- PS/2 female connector
+
+https://deskthority.net/workshop-f7/xt-at-ps2-terminal-to-usb-converter-with-nkro-t2510.html
+Ohjeet:
+https://geekhack.org/index.php?topic=17458.0
+https://deskthority.net/resources/file/8295
+Soarer_Converter_v1.12_update.zip (14.6.2013)
+https://deskthority.net/resources/file/8833
+Soarer_Converter_v1.12_docs.zip
+Tools:
+https://deskthority.net/resources/file/6142
+Soarer_Converter_v1.10.zip
+
+### Hardware
+- Data -> PD0 (Pro Micro: 3)
+- CLK -> PD1 (Pro Micro: 2)
+https://github.com/iflowfor8hours/6112884-pro-micro-controller
+
+### Testing
+https://www.pjrc.com/teensy/hid_listen.html
+
+### Settings
+
+### Flashing firmware
+https://sourceforge.net/projects/winavr/
+avrdude -p m32u4 -b 57600 -P com5 -c avr109 -U flash:w:Soarer_at2usb_v1.12_atmega32u4.hex
+Kaks kertaa RST GND:hen, jotta pääsee bootloader-modeen.
+
+
+## Keyboard controller
+https://geekhack.org/index.php?topic=50437.0
+https://deskthority.net/workshop-f7/soarer-s-keyboard-controller-firmware-t6767.html
+Soarer_Controller_v1.20_beta4.zip (26.10.2013)
+Tools-kansiossa eri käyttiksille työkaluexet.
+avrdude -p m32u4 -b 57600 -P com5 -c avr109 -U flash:w:Soarer_Controller_v1.20_beta4_atmega32u4.hex