输入以下代码: # GPIO example using an NC-SR04 ultrasonic rangefinder # import the GPIO and time libraries import RPi.GPIO as GPIO # Set the GPIO mode to BCM mode and disable warnings GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) # Define pin btnPin = 20 GPIO.setup(btnPin, GPIO.IN, p...
ModbusClientRTU MB;//Define an onData handler function to receive the regular responses//Arguments are Modbus server ID, the function code requested, the message data and length of it,//plus a user-supplied token to identify the causing requestvoidhandleData(ModbusMessage response, uint32_t tok...
to control the blinking of an LED. 模拟 输入:使用电位器来控制LED的闪烁。 AnalogWriteMega: fade 12 LEDs on and off, one by one, using an Arduino Mega board. AnalogWriteMega:淡出12个LED开 启和关闭,一个接一个,使用一个 Arduino兆丰板。 Calibration: define a maximum and minimum for expected ...
1.1.1 管理用户名和密码为了管理用户名和密码，我们创建了一个名为arudino_secrets.h的附加头文件 #define SECRET_SSID "<your username>"#define SECRET_PASS "<your password>"1.1.2 WiFi 连接代码将 Arduino 连接到 WiFi 的代码报告如下：#include <WiFiNINA.h>#include "arduino_secrets.h"///please e...
#define I2C_STOP_TX 1 #define I2C_RESTART_TX 0 #define I2C_MAX_QUERIES 8 #define I2C_REGISTER_NOT_SPECIFIED -1 // the minimum interval for sampling analog input #define MINIMUM_SAMPLING_INTERVAL 1 /*=== * GLOBAL VARIABLES *===*/ #ifdef FIRMATA_SERIAL_FEATURE SerialFirmata serialFeature...
#define minimum(a,b) (((a) < (b)) ? (a) : (b)) //### // Draw a JPEG on the TFT pulled from a program memory array //###
#define #include 算术运算符 = (赋值) + (加) - (减) * (乘) / (除) % (取模) 比较运算符 == (等于) != (不等于) < (小于) > (大于) <= (小于等于) >= (大于等于) 布尔运算符 && (逻辑与) || (逻辑或) ! (逻辑非) 指针运算符 *指针运算符 &地址运算符 位运算 & (位与) ...
Arduino编程参考手册中文版.docx,PAGE PAGE 12 Arduino 编程参考手册首页 程序结构setup() loop() 控制结构if if..。else for switch case while do。..while break continue return goto 相关语法 ; 分号 { 大括号 // 单行注释 /**/ 多行注释 #define 宏定义#include 文
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) #define OLED_RESET 4 // Reset pin # (or -1 if sharing Arduino reset pin) Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); #define NUMFLAKES 10 // Number of snowflakes in the animation ...
#define RST_PIN -1 SSD1306AsciiWire oled; // Ticker state. Maintains text pointer queue and current ticker state. TickerState state; // Use two strings to avoid modifying string being displayed. String str[2]; //--- void setup() { Wire.begin(); Wire.setClock(400000L); #if RST_PIN...