diff --git a/cmp/0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4/.librepcb-cmp b/cmp/0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4/.librepcb-cmp
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/cmp/0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4/.librepcb-cmp
@@ -0,0 +1 @@
+1
diff --git a/cmp/0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4/component.lp b/cmp/0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4/component.lp
new file mode 100644
index 0000000..ef0f810
--- /dev/null
+++ b/cmp/0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4/component.lp
@@ -0,0 +1,89 @@
+(librepcb_component 0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4
+ (name "Wemos D1 Mini")
+ (description "A mini wifi board with 4MB flash based on ESP-8266EX.")
+ (keywords "lolin,esp8266")
+ (author "U. Bruhin")
+ (version "0.2")
+ (created 2024-11-11T21:56:59Z)
+ (deprecated false)
+ (generated_by "")
+ (category e96d0dda-3100-4e68-8c33-e2a5bc80428b)
+ (resource "Documentation Wemos D1 Mini" (mediatype "text/html")
+  (url "https://www.wemos.cc/en/latest/d1/d1_mini.html")
+ )
+ (schematic_only false)
+ (default_value "{{MPN or DEVICE or COMPONENT}}")
+ (prefix "U")
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+ )
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+  (required false) (negated false) (clock false) (forced_net "")
+ )
+ (signal fecd10b0-a5a2-4b2c-8483-6ec5d279a53d (name "TX") (role passive)
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+ )
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+ )
+ (signal 26971e5c-4fb9-41bf-815e-3a0912f8eb9f (name "GND") (role passive)
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diff --git a/dev/788bf4fa-6a15-4313-be96-e11ee1ee8aac/.librepcb-dev b/dev/788bf4fa-6a15-4313-be96-e11ee1ee8aac/.librepcb-dev
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/dev/788bf4fa-6a15-4313-be96-e11ee1ee8aac/.librepcb-dev
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+1
diff --git a/dev/788bf4fa-6a15-4313-be96-e11ee1ee8aac/device.lp b/dev/788bf4fa-6a15-4313-be96-e11ee1ee8aac/device.lp
new file mode 100644
index 0000000..e79f7c9
--- /dev/null
+++ b/dev/788bf4fa-6a15-4313-be96-e11ee1ee8aac/device.lp
@@ -0,0 +1,34 @@
+(librepcb_device 788bf4fa-6a15-4313-be96-e11ee1ee8aac
+ (name "Lolin Wemos D1 Mini V4")
+ (description "A mini wifi board with 4MB flash based on ESP-8266EX, hardware version 4.0.0.")
+ (keywords "esp8266")
+ (author "U. Bruhin")
+ (version "0.1")
+ (created 2024-11-11T22:55:57Z)
+ (deprecated false)
+ (generated_by "")
+ (category e96d0dda-3100-4e68-8c33-e2a5bc80428b)
+ (resource "Documentation Wemos D1 Mini" (mediatype "text/html")
+  (url "https://www.wemos.cc/en/latest/d1/d1_mini.html")
+ )
+ (component 0e5c7f7a-3b51-4f23-8b81-7b635b0ad2a4)
+ (package 7e3df6c6-e7b2-4ec0-9224-f97f085534a0)
+ (pad 05385212-8722-4e89-86f5-7434beaea986 (signal 6cb39c60-9925-43bd-a042-b71fd812af72))
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+ (part "Wemos D1 Mini" (manufacturer "Lolin")
+ )
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diff --git a/pkg/7e3df6c6-e7b2-4ec0-9224-f97f085534a0/.librepcb-pkg b/pkg/7e3df6c6-e7b2-4ec0-9224-f97f085534a0/.librepcb-pkg
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/pkg/7e3df6c6-e7b2-4ec0-9224-f97f085534a0/.librepcb-pkg
@@ -0,0 +1 @@
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diff --git a/pkg/7e3df6c6-e7b2-4ec0-9224-f97f085534a0/package.lp b/pkg/7e3df6c6-e7b2-4ec0-9224-f97f085534a0/package.lp
new file mode 100644
index 0000000..315e1dd
--- /dev/null
+++ b/pkg/7e3df6c6-e7b2-4ec0-9224-f97f085534a0/package.lp
@@ -0,0 +1,298 @@
+(librepcb_package 7e3df6c6-e7b2-4ec0-9224-f97f085534a0
+ (name "LOLIN_WEMOS_D1_MINI_V4")
+ (description "Lolin Wemos D1 Mini V4.0.0.")
+ (keywords "esp8266")
+ (author "U. Bruhin")
+ (version "0.1")
+ (created 2024-11-11T22:00:54Z)
+ (deprecated false)
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