Add instructions

FaSTGLETree/FaSTGLETree_B.kicad_pcb

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README.md

@@ -19,6 +19,32 @@ Simple christmas tree from 2 PCBs with pseudo-random blinkenlights. Soldering wo
 - 1 yellow THT LED always-on on top
   - Transparently 3D-printable star cap
 
+# Learn how to solder SMD:
+
+[See Slides (in German)](docs/FaSTGLET-Part4-Lötworkshop.pdf)
+
+# PCB Manufacturing
+
+I usually order from JLC with the cheapest options, make sure to choose the manual placement of the order number (marker already included in Silkscreen)
+
+# Build instructions
+
+Assembly Guides: [Board A](https://fasttube.de/bestueckung/FaSTGLETree/A.html), [Board B](https://fasttube.de/bestueckung/FaSTGLETree/B.html)
+
+- It's recommended to make sure each PCB is in the best state it can be in first before combining them. Afterwards, soldering becomes more difficult.
+- For SMD parts, always solder a single pad/pin first before continuing to others
+- Pin 1 markings are the elongated silkscreen line and the dot/line on the IC
+- LED directions are not marked. The LED arrow should always point to the tree trunk/inwards (Anode to tip of branch)
+- There's no pattern to whether the LED or Resistor is on top on the LED branches. Always check the assembly guide!
+- J9 is usually not populated, it's left for external power
+- The THT LED atop should have its leads shortened to ~7-10mm
+- The THT LED atop is oriented using the flat side of its rim. The Flat side goes to the straight line, the round side to the rounded line
+- Keep in mind the Errata section below
+
+# Errata
+
+- The 2024 Version has a missing connection betreen R5 Pin 1 and +BATT. A bodge wire from R5 (outside) to the battery holder solder point is recommended. Otherwise, the push button functionality most likely does not work.
+
 # Cost
 
 ~10€ BOM @ 30pcs