diff --git a/README.md b/README.md
index 49f96fc..503cbc6 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,16 @@
 Generate a PCB with the following features:
 * 1x FAN RPM Control
 * 4x HDD Powercontrol
+
+# Hardware
+* ESP8266 / ESP32
+
+* HFD27-005-S Signal-Relais subminiatur, 5 V DC, 2 A, 2 Wechsler
+  16pin IC socket
+  20.2 x 10.0 x 11.5 mm Outline DImensions
+* JST - Stiftleiste, RM 3,96 mm, 1x4 polig, gerade - VH
+  JST XH4P ST JST
+* 4PINs on PCB for MOLEX Connectors
+
+# Software
+* Controllable via USB-UART, simple CMD-control