neosarchizo

import java.util.ArrayList;

class Packet {
  static final int PACKET_STX = 0xAB;
  static final int PACKET_ETX = 0x7D;

  static final int PACKET_CMD_GET_PM2008 = 0;

  static final int PACKET_POS_STX = 0;
  static final int PACKET_POS_LEN = 1;

neosarchizo

import java.util.ArrayList;

class Packet {
  static final int PACKET_STX = 0xAB;
  static final int PACKET_ETX = 0x7D;

  static final int PACKET_CMD_GET_PM2008 = 0;

  static final int PACKET_POS_STX = 0;
  static final int PACKET_POS_LEN = 1;

neosarchizo

import java.util.ArrayList;

class Packet {
  static final int PACKET_STX = 0xAB;
  static final int PACKET_ETX = 0x7D;

  static final int PACKET_CMD_GET_PM2008 = 0;

  static final int PACKET_POS_STX = 0;
  static final int PACKET_POS_LEN = 1;

neosarchizo

void setup() {
   Serial.begin(9600);

   while(!Serial){}
}

void loop() {
  Serial.print("a");
  delay(1000);
  Serial.print("b");

neosarchizo

#define PIN_LED 13

void setup() {
  pinMode(PIN_LED, OUTPUT);
  digitalWrite(PIN_LED, LOW);

  Serial.begin(9600);
  while (!Serial) {}
}

neosarchizo

import board
from digitalio import DigitalInOut, Direction
from time import sleep

led = DigitalInOut(board.BLUE_LED)
led.direction = Direction.OUTPUT

while True:
    led.value = True
    print('ON!!')

neosarchizo

import board
from digitalio import DigitalInOut, Direction, Pull

led = DigitalInOut(board.BLUE_LED)
led.direction = Direction.OUTPUT

switch = DigitalInOut(board.SWITCH)
switch.direction = Direction.INPUT
switch.pull = Pull.UP

neosarchizo

import board
from analogio import AnalogIn
from time import sleep

adc = AnalogIn(board.A5)

while True:
    print(adc.value) # 16 bit 2 ^ 16 = 65536
    sleep(0.1)

neosarchizo

import board
from pwmio import PWMOut
from time import sleep

led = PWMOut(board.BLUE_LED, frequency=5000, duty_cycle=0) # 2 ^ 16 = 65536

while True:
    for i in range(100): # 0 ~ 99
        if i < 50:
            led.duty_cycle = int(65535 * ((i * 2) / 100)) # 0 >>> 65535

neosarchizo

import board
from busio import I2C
import adafruit_ssd1306

i2c = I2C(board.SCK, board.MOSI)

display = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3c)

# clear
display.fill(0)