Since it is shaped the same, and code/shield-compatible with the Arduino UNO R3 design, our Adafruit Metro is easy to use and hacker friendly and this is the perfect beginner kit for learning how to use the... Add to Cart, Adafruit Metro 328 Starter Pack $44.95 10 in stock ...
使用ThreadHandler库在Arduino Uno上运行57个硬实时线程,只占用2048字节的内存。 嵌入式 多线程 所需硬件 Arduino UNO开发板一块 USB数据线1根 引言 这个项目的目的是展示轻量级的“ThreadHandler”库的强大功能。 我创建这个库是因为我需要三个线程,并且我需要其中两个线程在一个精确的时间运行,而不管其他线程在做...
1 × Recommended: Screw Terminal Block Shield for Arduino Uno 1 × Recommended: Breadboard Shield for Arduino Uno 1 × Recommended: Enclosure for Arduino Uno 1 × Recommended: Prototyping Base Plate & Breadboard Kit for Arduino UNO Or you can buy the following kits: 1 × DIYables Senso...
1 × Recommended: Screw Terminal Block Shield for Arduino Uno 1 × Recommended: Breadboard Shield for Arduino Uno 1 × Recommended: Enclosure for Arduino Uno 1 × Recommended: Prototyping Base Plate & Breadboard Kit for Arduino UNO Or you can buy the following kits: 1 × DIYables Senso...
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Arduino Uno开发板——以ATmega328 MCU控制器为基础——具备14路数字输入/输出引脚(其中6路可用于PWM输出)、6路模拟输入、一个16MHz陶瓷谐振器、一个USB接口、一个电源插座、一个ICSP接头和一个复位按钮。它采用Atmega16U2芯片进行USB到串行数据的转换。Uno PCB的最大长度和宽度分别为2.7和2.1英寸,USB连接器和电源...
Typically used to add a reset button to shields which block the one on the board. Communication The Arduino Uno has a number of facilities for communicating with a computer, another Arduino board, or other microcontrollers. The ATmega328 provides UART TTL (5V) serial communication, which is ...
arduino的uno版本. 继电器开关,信号线接到了arduino的D2引脚上. rc522智能卡模块,按照<MFRC522.h>的库接线,并且用库进行控制.这里的接线是接的默认的spi口. 一个磁吸锁,用继电器控制是否上电.这一版磁吸锁的接法很简单,只有两根线,正极负极.如果通电,磁吸锁就会锁紧.断电就会松开. ...
开发板:Arduino Uno Rev3 创客主板 开发环境:Arduino IDE 开发语言:Arduino 语言(类C语言) 模块:APDS9930 源码参考: https:///Depau/APDS9930 功能介绍: 1、靠近亮灯、距离保持约10cm常亮,远离延时熄灭 当有物体靠近传感器约10cm的位置时,触发中断,点亮LED LIGHT_TIME毫秒,持续触发则常亮,无则灭灯。 通过修改 ...
status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522:ICC_CMD_MF_AUTH_KEY_B, trailerBlock, &key, &(mfrc522.uid)); if (status != MFRC522::STATUS_OK) { Serial.print(F("写入失败,没有连接上或者没有权限 ")); Serial.println(mfrc522.GetStatusCodeName(status)); ...