Gururaghavendra Hasigal raghavendrahassy

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Embedded Hardware/Software Enthusiast.

raghavendrahassy / Explore Altimeter

Created October 12, 2015 11:40

	#include <SFE_BMP180.h>
	#include <Wire.h>
	#include <SPI.h>
	#include <Adafruit_GFX.h>
	#include <Adafruit_SSD1306.h>
	#include <Button.h>
	#include <EEPROM.h>
	#include "EEPROMAnything.h"

	// If using software SPI (the default case):

raghavendrahassy / Distance Meter

Created October 14, 2015 04:44

	/*
	A set of custom made large numbers for a 16x2 LCD using the
	LiquidCrystal librabry. Works with displays compatible with the
	Hitachi HD44780 driver.

	The Cuicuit:
	LCD RS pin to D12
	LCD Enable pin to D11
	LCD D4 pin to D5
	LCD D5 pin to D4

raghavendrahassy / Breathlyser

Created October 14, 2015 07:02

	#include <SPI.h>
	#include <Wire.h>
	#include <Adafruit_GFX.h>
	#include <Adafruit_SSD1306.h>

	#define OLED_RESET 4
	int TIME_UNTIL_WARMUP = 50; // in seconds
	unsigned long time;

raghavendrahassy / Matrix Firmware

Created February 29, 2016 08:17

	#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino

	//needed for library
	#include <DNSServer.h>
	#include <ESP8266WebServer.h>
	#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
	#include <WiFiClient.h>
	#include <PubSubClient.h>

	char* mqttserver = "128.199.72.21"; //change this to your server if required

raghavendrahassy / Atmega32Timer0Example.c

Last active March 21, 2016 14:16

	#include<avr/io.h>
	#define LED PD4

	int main()
	{
	uint8_t timerOverflowCount=0;
	DDRD=0xff; //configure PORTD as output
	TCNT0=0x00;
	TCCR0 = (1<<CS00) \| (1<<CS02);

raghavendrahassy / Atmega32Timer1Example.c

Created March 21, 2016 16:31

	#include<avr/io.h>
	#define LED PD4

	int main()
	{

	DDRD=0xff; //configure PORTD as output
	OCR1AH = 0x3d;
	OCR1AL = 0x09;
	TCCR1B = (1<<CS10) \| (1<<CS12);

raghavendrahassy / Atmega32TimerInterrupt1Example.c

Created March 22, 2016 09:20

	#include<avr/io.h>
	#include<avr/interrupt.h>

	#define LED PD4

	ISR (TIMER1_OVF_vect) // Timer1 ISR
	{
	PORTD ^= (1 << LED);
	TCNT1H=0xF9; // Reload the 16-bit count value
	TCNT1L=0xE6; // in timer1 count registers

raghavendrahassy / Atmega32Timer1InterruptExample.c

Last active July 7, 2022 08:20

raghavendrahassy / Controlling AC device using Relay_AVR

Last active March 29, 2016 05:13

	#include <avr/io.h>
	#include <util/delay.h>
	#define Relay PA0

	int main()
	{

	/* Configure the port A0 as Output */
	DDRA = (1 << Relay);

raghavendrahassy / Interfacing Seven Segment Displays with AVR.c

Last active April 1, 2016 08:26