Adding an image to readme

Author: larsensolutions

ButtonReadChain/ButtonReadChain.ino

@@ -18,6 +18,9 @@
  * "From now on those will be refered to as the dataPin, the clockPin and the latchPin respectively. 
  * Notice the 0.1"f capacitor on the latchPin, if you have some flicker 
  * when the latch pin pulses you can use a capacitor to even it out."
+ * 
+ * Resistors "slow" the flow of current. Capacitors "slow" the changes in the flow. 
+ * Of course "slow" is not correct but in the context of the common water metaphor, it works.
  * /
 
 /*

ButtonReadChain/ButtonReadChain.jpg

@@ -17,6 +17,7 @@ Using two 74HC595 shift registers to read button pushes. Code is scalable to rea
 * [Thinkercad sketch](https://www.tinkercad.com/things/7BMBGhKhBrG)
 
 ![Circuit diagram](ButtonReadChain/SN74HC595-ButtonInputReaderChained.png?raw=true "Sketch")
+![Implemented](ButtonReadChain/ButtonReadChain.jpg?raw=true "Implemented")
 
 ### [LedFlasher](https://github.com/larsensolutions/arduino/tree/master/LedFlasher) Using a 8 bit 74HC575 to toggle some LED's
 Using a 74HC595 shift registers to drive 3 LED's.