ESP32 C3 Mini Dev Board

//    For the Robotics.org.za  ESP32-C3 Mini-1 development board //    By Pieter from Innovation Instruments //

#include <stdio.h>

#define Red_LED 3        // rgb led pins, active low
#define Green_LED 4
#define Blue_LED 5
#define LED 21            // onboard blue led

unsigned int  Loop_Count = 0;

//
// Setup
//
void setup() // put your setup code here, to run once:
{
   pinMode(LED,OUTPUT);
   pinMode(Red_LED,OUTPUT);
   pinMode(Green_LED,OUTPUT);
   pinMode(Blue_LED,OUTPUT);
   digitalWrite(Red_LED,HIGH);
   digitalWrite(Green_LED,HIGH);
   digitalWrite(Blue_LED,HIGH);
}
//
// main loop
//
void loop()   // put your main code here, to run repeatedly:
{
   digitalWrite(LED,HIGH);
   delay(200);
   digitalWrite(LED,LOW);
   delay(200);

   Loop_Count++;
   if (Loop_Count == 3)
   {
     digitalWrite(Red_LED,LOW);    // on
     digitalWrite(Green_LED,HIGH);
     digitalWrite(Blue_LED,HIGH);
   }
   else if (Loop_Count == 6)
   {
     digitalWrite(Red_LED,HIGH);
     digitalWrite(Green_LED,LOW);   // on
     digitalWrite(Blue_LED,HIGH);
   }
   else if (Loop_Count == 9)
   {
     digitalWrite(Red_LED,HIGH);
     digitalWrite(Green_LED,HIGH);
     digitalWrite(Blue_LED,LOW);   // on
     Loop_Count = 0;
   }
   else                            // all off
   {
     digitalWrite(Red_LED,HIGH);
     digitalWrite(Green_LED,HIGH);
     digitalWrite(Blue_LED,HIGH);
   }
}