From fcbd5b773da51df2863e0a15807e311fff6749db Mon Sep 17 00:00:00 2001
From: codelyfe <codelyfe@gmail.com>
Date: Tue, 1 Mar 2022 01:07:32 -0600
Subject: [PATCH] Add files via upload

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 create mode 100644 content/tutorials/generic/4chan-relay-shield-arduino/trunk/README.md

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+# 4chan-relay-shield-arduino
+How to interact with Ks0251 keyestudio 4-channel Relay Shield
+
+## Sample Code
+```
+/*
+  DANCE OFF
+
+  By Randal Burger
+  https://codelyfe.github.io
+
+  HOW TO: 
+  Ks0251 keyestudio 4-channel Relay Shield
+
+  I believe they did not have the right
+  sample to teach others. So I made this one.
+  
+*/
+  int PINDa = 4;
+  int PINCb = 5;
+  int PINBc = 6;
+  int PINAd = 7;
+
+void setup() {
+  pinMode(PINDa, OUTPUT); // 4th Relay
+  pinMode(PINCb, OUTPUT); // 3rd Relay
+  pinMode(PINBc, OUTPUT); // 2nd Relay
+  pinMode(PINAd, OUTPUT); // 1st Relay
+}
+
+void loop() {
+  // 4th Relay
+  digitalWrite(PINDa, HIGH); //   
+  delay(100); //                       
+  digitalWrite(PINDa, LOW); //    
+  delay(100); // 
+  // 3rd Relay  
+  digitalWrite(PINCb, HIGH); //   
+  delay(200); //                       
+  digitalWrite(PINCb, LOW); //    
+  delay(200); // 
+  // 2nd Relay
+  digitalWrite(PINBc, HIGH); //   
+  delay(300); //                       
+  digitalWrite(PINBc, LOW); //    
+  delay(300); // 
+  // 1st Relay
+  digitalWrite(PINAd, HIGH); //   
+  delay(100); //                       
+  digitalWrite(PINAd, LOW); //    
+  delay(100); //                     
+}
+```