diff --git a/electronics.md b/electronics.md
index 133b6b0..5dd6ce7 100644
--- a/electronics.md
+++ b/electronics.md
@@ -6,4 +6,10 @@ ___
 
 * [Tools and materials](electronics/bom)
 * [Circuit board fabrication](electronics/pcbfabrication)
+  1. [Preparing transparencies (KiCad)](electronics/pcbfabrication/transparencies)
+  1. [Applying and exposing the photoresist dry film](electronics/pcbfabrication/applyphotoresist)
+  1. [Etching the board](electronics/pcbfabrication/etching)
+  1. [Removing the photoresist film](electronics/pcbfabrication/removephotoresist)
+  1. [Applying and exposing a solder mask](electronics/pcbfabrication/soldermask) (optional)
+  1. [Drilling through-hole components using a CNC machine](electronics/pcbfabrication/drilling) (optional)
 * [Disposal of chemicals](electronics/disposal)
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