added electronics readme

README.md

@@ -1,6 +1,5 @@
 # opencoil-paracity
+Repo for non destructive e-scooter intervention materials.
 
 ![picture](https://git.vvvvvvaria.org/then/opencoil-paracity/raw/branch/master/graphics/charging-pad/pad-exploded-view-ani.gif)
 
-
-Repo for non destructive e-scooter intervention materials

code/esp8266/README.md

@@ -1,4 +1,4 @@
-# opencoil-paracity
+# opencoil-paracity: code
 
 ### Prerequisites
 

electronics/README.md

@@ -0,0 +1,14 @@
+# opencoil-paracity: electronics
+
+
+
+![picture](https://git.vvvvvvaria.org/then/opencoil-paracity/raw/branch/master/electronics/esp-wireless-charging-pcb/pcb-ass.jpg)
+
+*Assembled pcb*
+
+### Bill of Materials 
+
+* PCB: Send the gerbers from this repo to your fab of choice.
+* ESP12F: Widely available.
+* AM1117 3.3v Regulator: Widely available.
+* QI compatible wireless charging coil delivering 5v and > [500 mA](https://docs.ai-thinker.com/_media/esp8266/docs/esp-12f_product_specification_en.pdf): For example [this](https://nl.aliexpress.com/item/4001154059743.html).