From 516b17a997fa0810949de0950e179cec655e7095 Mon Sep 17 00:00:00 2001
From: Or Bin <orbin50@gmail.com>
Date: Wed, 23 May 2018 17:52:45 +0300
Subject: [PATCH 1/2] Added information about connections for NodeMCU

---
 README.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d4a7536..2c11710 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ display.text('1234',0,0,1)
 display.show()
 ```
 
-## Connections
+## Pin Connections
 
 PyBoard | max7219 8x8 LED Matrix
 ------- | ----------------------
@@ -100,6 +100,14 @@ D7 MOSI (GPIO13) | DIN
 D8 CS (GPIO15)   | CS
 D5 SCK (GPIO14)  | CLK
 
+NodeMCU          | max7219 8x8 LED Matrix
+---------------- | ----------------------
+VIN              | VCC
+GND              | GND
+D7 (GPIO13)      | DIN
+D8 (GPIO15)      | CS
+D5 (GPIO14)      | CLK
+
 ## Links
 
 * Based on [deshipu's max7219.py](https://bitbucket.org/thesheep/micropython-max7219/src)

From 78051bc9f4d369bac1afa7d2f9bf8d1ae3303d93 Mon Sep 17 00:00:00 2001
From: Or Bin <orbin50@gmail.com>
Date: Wed, 23 May 2018 18:12:00 +0300
Subject: [PATCH 2/2] Added another code example for ESP8266

---
 README.md | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2c11710..85f9279 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,20 @@ display.show()
 
 Default baud rate of 80Mhz was introducing errors, dropped from 10Mhz and it works consistently.
 
+**Single 8x8 LED Matrix**
+
+```
+import max7219
+from machine import Pin, SPI
+spi = SPI(1, baudrate=10000000, polarity=0, phase=0)
+display = max7219.Matrix8x8(spi, Pin(15), 1)
+display.text('1', 0, 0, 1)
+display.show()
+```
+
+**Chain of 4x 8x8 LED Matrices**
+Where the 4 is drawn on the DIN matrix.
+
 ```
 import max7219
 from machine import Pin, SPI
@@ -78,7 +92,7 @@ spi = SPI(1, baudrate=10000000, polarity=0, phase=0)
 display = max7219.Matrix8x8(spi, Pin(15), 4)
 display.brightness(0)
 display.fill(0)
-display.text('1234',0,0,1)
+display.text('1234', 0, 0, 1)
 display.show()
 ```