need to import old pdk

docs/notebooks/intro.py

@@ -29,11 +29,30 @@
 import sky130.tech as st
 # import sky130.cells as sc
 
+# %% [markdown]
+# If you want to see what are the cells available:
+
 # %%
-c = sc.sky130_fd_pr__rf_pfet_20v0_withptap()
+sky130.cells
+
+# %% [markdown]
+# You can also verify this is the active PDK on `gdsfactory`:
+
+# %%
+gf.pdk.get_active_pdk().name
+
+# %% [markdown]
+# Let's try exploring an example basic `nfet`:
+
+# %%
+c = sc.sky130_fd_pr__rf_nfet_01v8_aM02W1p65L0p15()
+c
+
+# %% [markdown]
+# Explore it's ports:
 
 # %%
-gf.get_cell("sky130_fd_pr__cap_vpp_02p7x21p1_m1m2m3m4_shieldl1_fingercap")()
+c.ports
 
 # %%
 c = sc.sky130_fd_sc_hd__a2111o_1()