Update hardware/rev_a.md

Added board versions

hardware/rev_b.md

@@ -1,6 +1,6 @@
 # Rev.B (With or without front light)
 
-<img src="../media/Rev.B/IMG_3550.jpeg" width="750"/>
+<img src="../media/Rev.B/IMG_3310.jpeg" width="750"/>
 
 # Parts list
 
@@ -37,22 +37,10 @@ Mount the two M3x12 standoff F-F (Yellow) at the front with the last two of the
 
 Place the displays on the top of the 11mm standoffs and mount them with the 6mm screws.
 
-**NOTE:** The WeAct displays work fine but have 8 pins, the displays with frontlight have 10 pins (only available from us atm). When using WeAct displays the two most right pins are not used, see the pictures below.
-
-**NOTE:** Keep in mind, if you have chosen to use the WeAct displays, you have to solder the headers (The yellow ones) by yourself.
-
-<img src="../media/Rev.B/IMG_3548.jpeg" width="750"/>
-
-(only for WeAct displays)
-
-<img src="../media/Rev.B/IMG_3549.jpeg" width="750"/>
-
-(only for WeAct displays)
-
 <img src="../media/Rev.B/IMG_3317.jpeg" width="750"/>
 
 Keep in mind that at the corners on the top of the first (left corner) and last (right corner) display you don't use a screw, this is where a 6mm standoff has to placed to screw the front pcb in combination with acrylic front. For mounting the fromt pcb with the acrylic front use the M3x10 screw.
 
-<img src="../media/Rev.B/IMG_3550.jpeg" width="750"/>
+<img src="../media/Rev.B/IMG_3310.jpeg" width="750"/>
 
 At last, place the acrylic back on the back with the last 8 M3x6 screws.