Add Hardware connection photos

4 files changed, 18 insertions, 0 deletions

diff --git a/README.md b/README.md
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+++ b/README.md
@@ -37,6 +37,24 @@ For this we look at the AW9523 GPIO expander with 16 pins of io.
 Since the LCD is a 5v circuit requiring either 8 or 12 pins we look at the Microchip MCP23017 on the Adafruit GPIO Expander Bonnet which we can wire either using both ports or one port in nibble mode. 
 
 ![](images/HD44780.jpg)
+
+### Attaching Both Boards to the Raspberry pi.
+![](images/IMG_3791.jpg)
+![](images/IMG_3789.jpg)
+![](images/IMG_3793.jpg)
+
+```
+root@somepi1:/home/feurig# i2cdetect -y 1
+     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
+00:          -- -- -- -- -- -- -- -- -- -- -- -- -- 
+10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
+20: 20 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
+30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
+40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
+50: -- -- -- -- -- -- -- -- 58 -- -- -- -- -- -- -- 
+60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
+70: -- -- -- -- -- -- -- --                         
+```
 # References
 * [https://learn.adafruit.com/adafruit-aw9523-gpio-expander-and-led-driver](https://learn.adafruit.com/adafruit-aw9523-gpio-expander-and-led-driver)
 * [AW9523 Datasheet](https://cdn-shop.adafruit.com/product-files/4886/AW9523+English+Datasheet.pdf)
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diff --git a/images/IMG_3791.jpg b/images/IMG_3791.jpg
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diff --git a/images/IMG_3793.jpg b/images/IMG_3793.jpg
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+++ b/images/IMG_3793.jpg