diff --git a/README.md b/README.md
index d4bf9ff..ed7d717 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,17 @@
 * [Nodemcu v3 board](https://www.aliexpress.com/item/32565317233.html)
 * [MAX7219 Dot Matrix Module For Microcontroller 4 In One Display with 5P Line](https://www.aliexpress.com/item/32616345083.html)
 
+## Pinout
+
+Pinout:
+* Connect 3V to VCC
+* Connect G to GND
+* Connect D5 to DIN
+* Connect D6 to CS
+* Connect D7 to CLK
+
+Note: it's all sequential
+
 ## Software dependencies
 
 This uses the Arduino IDE with the [esp8266 core](https://arduino-esp8266.readthedocs.io/en/2.6.3/installing.html#boards-manager) and the following libraries, installed using the Libraries manager: