diff --git a/src/en/overlay/display-o-tron-hat.md b/src/en/overlay/display-o-tron-hat.md
index 00c14bb..0a5720a 100644
--- a/src/en/overlay/display-o-tron-hat.md
+++ b/src/en/overlay/display-o-tron-hat.md
@@ -11,7 +11,11 @@ buy: https://shop.pimoroni.com/products/display-o-tron-hat
 formfactor: 'HAT'
 pincount: 40
 eeprom: yes
-power: 3v3,5v
+power:
+  '1':
+  '2':
+ground:
+  '6':
 pin:
   '3':
     mode: i2c
diff --git a/src/en/overlay/display-o-tron.md b/src/en/overlay/display-o-tron.md
index e7cd100..ae91b0f 100644
--- a/src/en/overlay/display-o-tron.md
+++ b/src/en/overlay/display-o-tron.md
@@ -11,7 +11,11 @@ buy: https://shop.pimoroni.com/products/displayotron-3000
 formfactor: '26-way'
 pincount: 26
 eeprom: no
-power: 3v3,5v
+power:
+  '2':
+  '17':
+ground:
+  '6':
 pin:
   '3':
     mode: i2c
diff --git a/src/en/overlay/phat-dac.md b/src/en/overlay/phat-dac.md
index 665a520..6bab95c 100644
--- a/src/en/overlay/phat-dac.md
+++ b/src/en/overlay/phat-dac.md
@@ -9,7 +9,11 @@ buy: https://shop.pimoroni.com/products/phat-dac
 formfactor: 'pHAT'
 pincount: 40
 eeprom: no
-power: 3v3,5v
+power:
+  '1':
+  '2':
+ground:
+  '6':
 pin:
   '12':
     name: I2S
diff --git a/src/en/overlay/piglow.md b/src/en/overlay/piglow.md
index f5c47ab..79e51c1 100644
--- a/src/en/overlay/piglow.md
+++ b/src/en/overlay/piglow.md
@@ -11,7 +11,12 @@ buy: http://shop.pimoroni.com/products/piglow
 formfactor: '26-way'
 pincount: 26
 eeprom: no
-power: 3v3,5v
+power:
+  '1':
+  '2':
+  '17':
+ground:
+  '14':
 pin:
   '3':
     mode: i2c
diff --git a/src/en/overlay/scroll-phat.md b/src/en/overlay/scroll-phat.md
index 1133e7b..c174e01 100644
--- a/src/en/overlay/scroll-phat.md
+++ b/src/en/overlay/scroll-phat.md
@@ -11,7 +11,10 @@ buy: https://shop.pimoroni.com/products/scroll-phat
 formfactor: 'pHAT'
 pincount: 40
 eeprom: no
-power: 5v
+power:
+  '2':
+ground:
+  '6':
 pin:
   '3':
     mode: i2c
diff --git a/src/en/overlay/skywriter-hat.md b/src/en/overlay/skywriter-hat.md
index ad71e16..d386cc9 100644
--- a/src/en/overlay/skywriter-hat.md
+++ b/src/en/overlay/skywriter-hat.md
@@ -11,7 +11,6 @@ buy: http://shop.pimoroni.com/products/skywriter-hat
 formfactor: 'HAT'
 pincount: 40
 eeprom: yes
-power: 3v3
 i2c:
   '0x42':
     name: Gesture sensor
diff --git a/src/en/overlay/unicorn-hat.md b/src/en/overlay/unicorn-hat.md
index 61200a1..4b7928f 100644
--- a/src/en/overlay/unicorn-hat.md
+++ b/src/en/overlay/unicorn-hat.md
@@ -11,6 +11,10 @@ buy: http://shop.pimoroni.com/products/unicorn-hat
 formfactor: 'HAT'
 pincount: 40
 eeprom: yes
+power:
+  '2':
+ground:
+  '9':
 pin:
   '12':
     name: Data