diff --git a/gpiozero/pins/data.py b/gpiozero/pins/data.py
index 8310d42..2b76d4e 100644
--- a/gpiozero/pins/data.py
+++ b/gpiozero/pins/data.py
@@ -285,6 +285,7 @@ PI_REVISIONS = {
     0x900093: ('Zero', '1.3', '2016Q2', 'BCM2835', 'Sony',      512,  'MicroSD', 1,  0,  False, False, 1,  0,  {'P1': PLUS_P1},               ),
     0xa020a0: ('CM3',  '1.0', '2017Q1', 'BCM2837', 'Sony',      1024, 'eMMC / off-board', 1,  0,  False, False, 2,  2, {'SODIMM': CM3_SODIMM},),
     0xa32082: ('3B',   '1.2', '2016Q4', 'BCM2837', 'Sony Japan', 1024, 'MicroSD', 4, 1,  True,  True,  1,  1,  {'P1': PLUS_P1},               ),
+    0x9000c1: ('Zero W', '1.1', '2017Q1', 'BCM2835', 'Sony',    512,  'MicroSD', 1,  0,  True,  True,  1,  0,  {'P1': PLUS_P1},               ),
     }
 
 
@@ -519,7 +520,7 @@ def _parse_pi_revision(revision):
     # MMM      - Memory size (0=256, 1=512, 2=1024)
     # CCCC     - Manufacturer (0=Sony, 1=Egoman, 2=Embest, 3=Sony Japan)
     # PPPP     - Processor (0=2835, 1=2836, 2=2837)
-    # TTTTTTTT - Type (0=A, 1=B, 2=A+, 3=B+, 4=2B, 5=Alpha (??), 6=CM, 8=3B, 9=Zero, 10=CM3)
+    # TTTTTTTT - Type (0=A, 1=B, 2=A+, 3=B+, 4=2B, 5=Alpha (??), 6=CM, 8=3B, 9=Zero, 10=CM3, 12=Zero W)
     # RRRR     - Revision (0, 1, or 2)
     if not (revision & 0x800000):
         raise PinUnknownPi('cannot parse "%x"; this is not a new-style revision' % revision)
@@ -534,6 +535,7 @@ def _parse_pi_revision(revision):
             8: '3B',
             9: 'Zero',
             10: 'CM3',
+            12: 'Zero W,
             }[(revision & 0xff0) >> 4]
         if model in ('A', 'B'):
             pcb_revision = {
@@ -569,6 +571,7 @@ def _parse_pi_revision(revision):
             '3B':   '2016Q1' if manufacturer == 'Sony' or manufacturer == 'Embest' else '2016Q4',
             'Zero': '2015Q4' if pcb_revision == '1.0' else '2016Q2',
             'CM3':  '2017Q1',
+            'Zero W': '2017Q1',
             }[model]
         storage = {
             'A': 'SD',
@@ -580,6 +583,7 @@ def _parse_pi_revision(revision):
             'A':    1,
             'A+':   1,
             'Zero': 1,
+            'Zero W': 1,
             'B':    2,
             'CM':   0,
             'CM3':  1,
@@ -588,22 +592,27 @@ def _parse_pi_revision(revision):
             'A':    0,
             'A+':   0,
             'Zero': 0,
+            'Zero W': 0,
             'CM':   0,
             'CM3':  0,
             }.get(model, 1)
         wifi = {
             '3B': True,
+            'Zero W': True,
             }.get(model, False)
         bluetooth = {
             '3B': True,
+            'Zero W': True,
             }.get(model, False)
         csi = {
             'Zero': 0 if pcb_revision == '1.0' else 1,
+            'Zero W': 1,
             'CM':   2,
             'CM3':  2,
             }.get(model, 1)
         dsi = {
             'Zero': 0,
+            'Zero W': 0,
             }.get(model, csi)
         headers = {
             'A':  {'P1': REV2_P1, 'P5': REV2_P5},