From c082bca34156b869d9c8f619a01c7634ed67bd14 Mon Sep 17 00:00:00 2001
From: Sabrina Chowdhury <sabrina.chowdhury29@gmail.com>
Date: Fri, 27 Aug 2021 22:35:22 +0200
Subject: [PATCH] update

---
 docs/electronics/Motors.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/docs/electronics/Motors.md b/docs/electronics/Motors.md
index 1e977ef..34cac55 100644
--- a/docs/electronics/Motors.md
+++ b/docs/electronics/Motors.md
@@ -43,4 +43,10 @@ Choosing the right motor is critical for the efficiency and productivity of the
 
 ##  How to choose Steppers Motors for DIY CNC machines
 ---
-The most technical ways of choosing the stepper motors are mentioned in [Motor Sizing](https://www.orientalmotor.com/technology/motor-sizing-calculations.html). This repository contains the simplest way to choose a stepper motor for the DIY CNC machines. You can find more details in [Stepper Motors and Controllers](https://rckeith.co.uk/how-to-choose-steppers-motors-and-controllers-for-diy-cnc-machines/).
+The most technical ways of choosing the stepper motors are mentioned in [Motor Sizing](https://www.orientalmotor.com/technology/motor-sizing-calculations.html). This repository contains the simplest way to choose a stepper motor for the DIY CNC machines. You can find more details in [Stepper Motors and Controllers](https://rckeith.co.uk/how-to-choose-steppers-motors-and-controllers-for-diy-cnc-machines/). Let's start with the NEMA standard. 
+
+- NEMA (National Electrical Manufacturers Association) is a standard that defines the size of the faceplate of the motor.
+  
+- Two of the most popular sizes for DIY machines are NEMA17 (1.7 in x 1.7 in) and NEMA23 (2.3 in x 2.3 in). 
+
+![nema17-23.jpeg](image.jpg)
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