Referring to guide at High-low tech, I were able to flash ATTiny84 via UNO through Arduino IDE 1.6.7.
I loaded a simple blink LED program on IDE pin 0 (physical Attiny84 pin 13, PA0) and everything works fine for pin 0 till 7 at Port A.
But what if I want to access or blink a LED at one of the pins at Port B? Example, PB0 (physical pin 2)
The following is my current code to blink PA7
int led=7; //PA7
void setup() {
pinMode(led, OUTPUT);
}
void loop() {
digitalWrite(led, HIGH);
delay(100);
digitalWrite(led,LOW);
delay(100);
}