more sewable led content

en/tutorials/sewable_leds.md

@@ -6,7 +6,7 @@ title: Sewable RGB LEDs Tutorial
 
 This tutorial is based on the Sparkfun [LilyPad Pixel Board](https://www.sparkfun.com/products/13264) addressable RGB LED.
 
-You can either order them online or get them as a kit from the card10 team at any CCC event.
+You can either order them online (see link above) or get them as a kit from the card10 team at any CCC event.
 
 ### How to solder the kit
 If you received an LED that is not yet soldered onto the PCB with the sewable connections, you need to solder the LED onto the board. See the following picture for the chamfered corner indicating the correct position of the LED:
@@ -17,14 +17,16 @@ After finding the correct alignment of the LED, tin one of the solder pads on th
 bit tricky, don't hesitate to ask for help/advice.
 
 ## Connecting LEDs to the card10
-You need to make three connections from the card10 to the LED. Before you start sewing, check that the PCB is aligned so none of the sewn connections cross.
+You need to make three connections from the card10 to the LED. Before you start sewing, check that the PCB is aligned so none of the sewn connections cross:
+[![labeled card10 pins](/media/led_sewing/labeled_card10_pins.jpg)](/media/led_sewing/labeled_card10_pins.jpg)
+
 Not all 6 sewable connections are used (see below), so you can use non-conductive thread to attach the LED board with the unused sewable corners.
 Next we give you the connections you need to make, followed by some tips for sewing with conductive thread.
 
 [![led pins](/media/led_sewing/led_pins.jpg)](/media/led_sewing/led_pins.jpg)
 
 ### Connections
-The six connections are marked in figure [TODO]. DI and DO are duplicated, you only need to use one of each.
+The six connections are marked in the figure below. DI and DO are duplicated, you only need to use one of each.
 * GND is marked with a -, right next to the capital L
 * 3.3 V is marked with a +, it is the connector on the opposite side of GND
 * Data In is marked DI, pick one of the two available DI pins