diff --git a/docu/shields.txt b/docu/shields.txt
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--- /dev/null
+++ b/docu/shields.txt
@@ -0,0 +1,5 @@
+TODO: Use the following shields
+
+Battery shield: https://wiki.wemos.cc/products:retired:battery_shield_v1.1.0
+
+Motor shield: https://wiki.wemos.cc/products:retired:motor_shield_v1.0.0
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