diff --git a/docs/project_preview.md b/docs/project_preview.md
index 7b335f4..d0561b6 100644
--- a/docs/project_preview.md
+++ b/docs/project_preview.md
@@ -1,28 +1,20 @@
-## {title}
-
-{picture_link}
+# {title}
 
 * Author: {author}
 * Description: {description}
 * Language: {language}
 
-### How it works
+{info}
 
-{how_it_works}
-
-### How to test
-
-{how_to_test}
-
-### IO
+## Pinout
 
 | # | Input        | Output       | Bidirectional      |
 |---|--------------|--------------|--------------------|
-| 0 | {inputs[0]}  | {outputs[0]} | {bidirectional[0]} |
-| 1 | {inputs[1]}  | {outputs[1]} | {bidirectional[1]} |
-| 2 | {inputs[2]}  | {outputs[2]} | {bidirectional[2]} |
-| 3 | {inputs[3]}  | {outputs[3]} | {bidirectional[3]} |
-| 4 | {inputs[4]}  | {outputs[4]} | {bidirectional[4]} |
-| 5 | {inputs[5]}  | {outputs[5]} | {bidirectional[5]} |
-| 6 | {inputs[6]}  | {outputs[6]} | {bidirectional[6]} |
-| 7 | {inputs[7]}  | {outputs[7]} | {bidirectional[7]} |
+| 0 | {ui[0]}      | {uo[0]}      | {uio[0]}           |
+| 1 | {ui[1]}      | {uo[1]}      | {uio[1]}           |
+| 2 | {ui[2]}      | {uo[2]}      | {uio[2]}           |
+| 3 | {ui[3]}      | {uo[3]}      | {uio[3]}           |
+| 4 | {ui[4]}      | {uo[4]}      | {uio[4]}           |
+| 5 | {ui[5]}      | {uo[5]}      | {uio[5]}           |
+| 6 | {ui[6]}      | {uo[6]}      | {uio[6]}           |
+| 7 | {ui[7]}      | {uo[7]}      | {uio[7]}           |
diff --git a/project.py b/project.py
index 9483d80..aaf0585 100644
--- a/project.py
+++ b/project.py
@@ -1,3 +1,4 @@
+import copy
 import csv
 import glob
 import json
@@ -19,6 +20,33 @@ from markdown_utils import limit_markdown_headings
 
 CELL_URL = "https://skywater-pdk.readthedocs.io/en/main/contents/libraries/sky130_fd_sc_hd/cells/"
 
+PINOUT_KEYS = [
+    "ui[0]",
+    "ui[1]",
+    "ui[2]",
+    "ui[3]",
+    "ui[4]",
+    "ui[5]",
+    "ui[6]",
+    "ui[7]",
+    "uo[0]",
+    "uo[1]",
+    "uo[2]",
+    "uo[3]",
+    "uo[4]",
+    "uo[5]",
+    "uo[6]",
+    "uo[7]",
+    "uio[0]",
+    "uio[1]",
+    "uio[2]",
+    "uio[3]",
+    "uio[4]",
+    "uio[5]",
+    "uio[6]",
+    "uio[7]",
+]
+
 
 with open(os.path.join(os.path.dirname(__file__), "tile_sizes.yaml"), "r") as stream:
     tile_sizes = yaml.safe_load(stream)
@@ -510,47 +538,73 @@ class Project:
     # makes sure that the basic info is present
     def check_yaml_docs(self):
         yaml = self.yaml
-        logging.info("checking docs")
+        logging.info("Checking docs")
+        had_error = False
+        if yaml.get("yaml_version", "") != 6:
+            logging.error("yaml_version must be 6")
+            had_error = True
+
         for key in [
             "author",
+            "tiles",
             "title",
             "description",
-            "how_it_works",
-            "how_to_test",
             "language",
-            "inputs",
-            "outputs",
-            "bidirectional",
         ]:
-            if key not in yaml["documentation"]:
-                logging.error("missing key {} in documentation".format(key))
-                exit(1)
-            if yaml["documentation"][key] == "":
-                logging.error("missing value for {} in documentation".format(key))
-                exit(1)
+            if key not in yaml["project"]:
+                logging.error("Missing key {} in 'project'".format(key))
+                had_error = True
+            elif yaml["project"][key] == "":
+                logging.error("Missing value for {} in 'project'".format(key))
+                had_error = True
+
+        for key in PINOUT_KEYS:
+            if key not in yaml["pinout"]:
+                logging.error("Missing key {} in 'pinout'".format(key))
+                had_error = True
+
+        info_md = os.path.join(self.local_dir, "docs/info.md")
+        if not os.path.exists(info_md):
+            logging.error("Missing docs/info.md file")
+            had_error = True
+        else:
+            with open(info_md) as fh:
+                info_md_content = fh.read()
+            if "# How it works\n\nExplain how your project works" in info_md_content:
+                logging.error("Missing 'How it works' section in docs/info.md")
+                had_error = True
+            if "# How to test\n\nExplain how to use your project" in info_md_content:
+                logging.error("Missing 'How to use' section in docs/info.md")
+                had_error = True
+
+        if had_error:
+            exit(1)
 
     # use pandoc to create a single page PDF preview
     def create_pdf(self):
         yaml = self.yaml
-        yaml = yaml["documentation"]
-        logging.info("creating pdf")
+        pinout = yaml["pinout"]
+        template_args = copy.deepcopy(yaml["project"])
+        template_args["ui"] = [pinout["ui[{}]".format(i)] for i in range(8)]
+        template_args["uo"] = [pinout["uo[{}]".format(i)] for i in range(8)]
+        template_args["uio"] = [pinout["uio[{}]".format(i)] for i in range(8)]
+
+        logging.info("Creating PDF")
         script_dir = os.path.dirname(os.path.realpath(__file__))
         with open(os.path.join(script_dir, "docs/project_header.md")) as fh:
             doc_header = fh.read()
         with open(os.path.join(script_dir, "docs/project_preview.md")) as fh:
             doc_template = fh.read()
+        info_md = os.path.join(self.local_dir, "docs/info.md")
+        with open(info_md) as fh:
+            template_args["info"] = fh.read()
 
         with open("datasheet.md", "w") as fh:
             fh.write(doc_header)
-            # handle pictures
-            yaml["picture_link"] = ""
-            if yaml["picture"]:
-                picture_name = yaml["picture"]
-                yaml["picture_link"] = "![picture]({})".format(picture_name)
 
             # now build the doc & print it
             try:
-                doc = doc_template.format(**yaml)
+                doc = doc_template.format(**template_args)
                 fh.write(doc)
                 fh.write("\n\\pagebreak\n")
             except IndexError: