/dev/ttyUSB1
------------
Hardware ID: USB VID:PID=1A86:7523 LOCATION=1-1.2
Description: USB2.0-Serial

/dev/ttyUSB0
------------
Hardware ID: USB VID:PID=1A86:7523 LOCATION=1-1.3
Description: USB Serial

/dev/ttyAMA0
------------
Hardware ID: 3f201000.serial
Description: ttyAMA0

[platformio]
default_envs = Upload_ISP ; Default build target

[env]
platform = atmelavr
framework = arduino
board = attiny13a
board_build.f_cpu = 9600000L
build_flags = 
build_unflags =
monitor_port = /dev/cu.usberserial*

[env:Upload_ISP]
upload_protocol = custom
upload_port = /dev/ttyUSB0
upload_speed = 9600
upload_flags =
  -C$PROJECT_PACKAGES_DIR/tool-avrdude/avrdude.conf
  -p$BOARD_MCU
  -P$UPLOAD_PORT
  -b$UPLOAD_SPEED
  -cstk500v1
upload_command = avrdude $UPLOAD_FLAGS -U flash:w:$SOURCE:i

[env:set_fuses]
board_hardware.oscillator = internal
board_hardware.bod = 2.7v
board_hardware.eesave = yes
upload_protocol = stk500v1
upload_flags =
  -P/dev/ttyUSB0
  -B8

#define LED_PIN_R PB0
#define LED_PIN_G PB1
#define LED_PIN_B PB2
#define WAIT      3

void color(uint8_t velocity) {

	uint8_t R, G, B;

	velocity = velocity % 255;

	if (velocity < 85) {
		R = 255 - velocity * 3;
		G = 0;
		B = velocity * 3;
	} else if (velocity < 170 ) {
		velocity -= 85;
		R = 0;
		G = velocity * 3;
		B = 255 - velocity * 3;
	} else {
		velocity -= 170;
		R = velocity * 3;
		G = 255 - velocity * 3;
		B = 0;
	}

	analogWrite(LED_PIN_R, R);
	analogWrite(LED_PIN_G, G);
//	analogWrite(LED_PIN_B, B);
	delay(WAIT);
}

void setup(){ }

void loop()
{
	uint8_t i = 0;
	while(1) {
		color(i);
		if ((++i) == 255) i = 0;
	}
}

void setup() {
	Serial.begin(115200);
}

void loop() {
	while (Serial.available())  {
		Serial.write(Serial.read());
		delay(50);
	}
}

void setup() {
	Serial.begin(115200);
}

void loop() {
	while (Serial.available())  {
		int val = analogRead(A2)*3300/1024+150;
		Serial.print(val/10);
		Serial.print(".");
		Serial.println(val%10);
		delay(1000);
	}
}