diff --git a/hub.json b/hub.json
new file mode 100644
index 0000000..072b36d
--- /dev/null
+++ b/hub.json
@@ -0,0 +1,50 @@
+{
+    "_description": "f.k.a. hub-krutzik, luh-ospelkaus-13, and luh-ospelkaus-14 in the artiq-setup repository", 
+    "target": "kasli",
+    "variant": "hub",
+    "hw_rev": "v1.1",
+    "base": "standalone",
+    "peripherals": [
+        {
+            "type": "dio",
+            "ports": [0],
+            "bank_direction_low": "input",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [1],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [2],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "sampler",
+            "ports": [3]
+        },
+        {
+            "type": "urukul",
+            "ports": [4],
+            "clk_sel": 0
+        },
+        {
+            "type": "urukul",
+            "ports": [5],
+            "clk_sel": 0
+        },
+        {
+            "type": "urukul",
+            "ports": [6],
+            "clk_sel": 0
+        },
+        {
+            "type": "zotino",
+            "ports": [7]
+        }
+   ]
+}
diff --git a/luh.json b/luh.json
new file mode 100644
index 0000000..3c1e25c
--- /dev/null
+++ b/luh.json
@@ -0,0 +1,49 @@
+{
+    "_description": "f.k.a. luh-ospelkaus-16, luh-ospelkaus-18 in the artiq-setup repository",
+    "target": "kasli",
+    "variant": "luh",
+    "hw_rev": "v1.1",
+    "base": "standalone",
+    "peripherals": [
+        {
+            "type": "dio",
+            "ports": [0],
+            "bank_direction_low": "input",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [1],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [2],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "sampler",
+            "ports": [3]
+        },
+        {
+            "type": "urukul",
+            "ports": [4],
+            "clk_sel": 0
+        },
+        {
+            "type": "urukul",
+            "ports": [5],
+            "clk_sel": 0
+        },
+        {
+            "type": "grabber",
+            "ports": [6]
+        },
+        {
+            "type": "zotino",
+            "ports": [7]
+        }
+   ]
+}
diff --git a/ptb.json b/ptb.json
new file mode 100644
index 0000000..3c53adf
--- /dev/null
+++ b/ptb.json
@@ -0,0 +1,46 @@
+{
+    "_description": "f.k.a. ptb-schmidt, ptb-mehlstaeubler, ptb-huntemann-11, ptb-huntemann-19, and ufr-warring in the artiq-setup repository",
+    "target": "kasli",
+    "variant": "ptb",
+    "hw_rev": "v1.1",
+    "base": "standalone",
+    "peripherals": [
+        {
+            "type": "dio",
+            "ports": [0],
+            "bank_direction_low": "input",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [1],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [2],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "sampler",
+            "ports": [3]
+        },
+        {
+            "type": "urukul",
+            "ports": [5, 4],
+            "dds": "ad9912",
+            "clk_sel": 0
+        },
+        {
+            "type": "urukul",
+            "ports": [6],
+            "clk_sel": 0
+        },
+        {
+            "type": "zotino",
+            "ports": [7]
+        }
+   ]
+}
diff --git a/ptb2.json b/ptb2.json
new file mode 100644
index 0000000..4da24c3
--- /dev/null
+++ b/ptb2.json
@@ -0,0 +1,47 @@
+{
+    "_description": "PTB Kasli variant with Urukul1 SYNC and external reference clock",
+    "target": "kasli",
+    "variant": "ptb2",
+    "hw_rev": "v1.1",
+    "base": "standalone",
+    "peripherals": [
+        {
+            "type": "dio",
+            "ports": [0],
+            "bank_direction_low": "input",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [1],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "ports": [2],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "sampler",
+            "ports": [3]
+        },
+        {
+            "type": "urukul",
+            "ports": [5, 4],
+            "dds": "ad9912",
+            "clk_sel": 0
+        },
+        {
+            "type": "urukul",
+            "ports": [6],
+            "synchronization": true,
+            "clk_sel": 0
+        },
+        {
+            "type": "zotino",
+            "ports": [7]
+        }
+   ]
+}