Add footprint acknowledgment.

README.md

@@ -1,3 +1,17 @@
 # vulpes_hardware
 
-Hardware design to go with https://amiok.net/gitea/W1CDN/vulpes.
+Hardware design to go with https://amiok.net/gitea/W1CDN/vulpes, designed in KiCad.
+
+Learn more at https://w1cdn.net/projects/vulpes-radio-orienteering-controller/.
+
+## Schematic
+![screenshot of the Vulpes hardware schematic](doc/vulpes_sch_v01.png)
+
+## PCB Design
+![screenshot of the Vulpes PCB design](doc/vulpes_pcb_v01.png)
+
+## Acknowledgments
+Special thanks to [N1OIQ](https://sourceforge.net/projects/kb1oiq-ham-radio-projects/files/80m_ardf/) 
+for similar design inspiration and to [Smitty](https://electronics.halibut.com/) 
+for his KiCad videos ([1](https://www.youtube.com/watch?v=UYt-XYbGDAc), 
+[2](https://www.youtube.com/watch?v=OoxYd08qYB0)). This product includes software developed by Victor Lamoine ([ESP32 DEVKIT DOIT schematic and footprint](https://gitlab.com/VictorLamoine/kicad/)).