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Arduino Code can be uploaded to ATtiny45 using the Arduino as ISP Tutorial.
/*Five LED Fade Slow in SEQUENCE*/
/*Arduino Uno v.1.0.3 as ISP for Atmel ATtiny45 internal 8MHz clock*/
/*using software PWM*/
/*14 Ocotber 2014*/
/*lynne bruning for The eTextile Lounge*/
/*http://lbruning.com/etextilelounge*/
/* credit Hannah Perner-Wilson’s Soft and Tiny Workshop November 2012*/
/*http://www.kobakant.at/DIY/?p=3655*/
/*altered timing 4 June 2013 by lynne bruning for use at SDA teaching workshop*/
#define fadeSpeed 20
void setup()
{
for(int pin=0;pin<5;pin++)
pinMode(pin, OUTPUT);
}
void loop()
{
for(int pin=0;pin<5;pin++)
{
for(int fade=1;fade<184;fade++)
//fade on
{
softPWM(pin, fade, fadeSpeed);
}
for(int fade=184;fade>1;fade–)
//fade off
{
softPWM(pin, fade, fadeSpeed);
}
}
}
void softPWM(int pin, int freq, int sp)
// software PWM function that fakes analog output
{
digitalWrite(pin,HIGH); //on
delayMicroseconds(sp*freq);
digitalWrite(pin,LOW); //off
delayMicroseconds(sp*(185-freq));
}
When you upload the code you will receive the following information on the Arduino window:
Binary sketch size: 816 bytes (of a 4,096 byte maximum)
Error Messages – Ignore
avrdude: please define PAGEL and BS2 signals in the configuration file for part ATtiny45
avrdude: please define PAGEL and BS2 signals in the configuration file for part ATtiny45
Enjoy!
