diff --git a/stefankoelle/index.njk b/stefankoelle/index.njk
index 8bdbcc7..8eaff4b 100644
--- a/stefankoelle/index.njk
+++ b/stefankoelle/index.njk
@@ -34,11 +34,11 @@ layout: stefankoelle.njk
 
   <h3>Retro Computing (2022/2023)</h3>
   <ul>
-    <li>MiSTer and MiST FPGA Systems for preservation.</li>
+    <li>MiSTer and MiST FPGA Systems for preservation — see also <a href="https://retro.moonweb.org/mist-mister-fpga/">retro.moonweb.org</a>.</li>
     <li>DOS System, Amiga System, and Atari ST System with the environment from the early 90s.</li>
   </ul>
 
-  <h3>Upgrade of old Atari Mega 4 (2021)</h3>
+  <h3>Upgrade of old <a href="https://retro.moonweb.org/atari-mega-st-fleet/">Atari Mega 4</a> (2021)</h3>
   <ul>
     <li>Gotek Drive</li>
     <li>More RAM</li>
@@ -107,7 +107,7 @@ layout: stefankoelle.njk
 
   <h3>Mailbox/Fidonet (1994 - 2000)</h3>
   <ul>
-    <li>Operated a BBS and Fidonet Node.</li>
+    <li>Operated a BBS and Fidonet Node — see also <a href="https://retro.moonweb.org/atari-networking-bbs/">Networking &amp; BBS</a> on retro.moonweb.org.</li>
     <li>Managed a node in Augsburg with an uplink directly to the NC in Munich.</li>
     <li>Software was running on an OS/2 computer</li>
     <li>Utilized 2x ISDN and 1x MODEM connections.</li>
diff --git a/stefankoelle/ledmatrix/index.njk b/stefankoelle/ledmatrix/index.njk
index f63e9e7..44c5bee 100644
--- a/stefankoelle/ledmatrix/index.njk
+++ b/stefankoelle/ledmatrix/index.njk
@@ -114,14 +114,14 @@ description: "WiFi-controlled LED display solution with REST API, DHT22 sensor,
           <div class="feature-icon">📊</div>
           <div class="feature-text">
             <h3>Sensor Readings</h3>
-            <p>Live temperature and humidity from the on-board DHT22 sensor</p>
+            <p>Live temperature and humidity from the on-board DHT22 sensor, stored in <a href="https://smarthome.moonweb.org/homematic-mqtt/">InfluxDB via MQTT</a></p>
           </div>
         </div>
         <div class="feature">
           <div class="feature-icon">🔔</div>
           <div class="feature-text">
             <h3>Status Messages</h3>
-            <p>Notifications like "washing machine done" triggered via MQTT</p>
+            <p>Notifications like "washing machine done" triggered via <a href="https://smarthome.moonweb.org/tasmota-energy/">MQTT and Tasmota energy monitoring</a></p>
           </div>
         </div>
         <div class="feature">