This article briefly discusses how to use Arduino in conjunction with an ultrasonic module to create a smart trash can experiment. When a person approaches the trash can, it automatically opens. Trash Can Materials Needed Arduino Ultrasonic Sensor Servo Wiring Connection Wiring Connection Physical Wiring Code #include <Servo.h> const int trigPin = 9; // Trigger … Read more
Click on the arrow“blue text”, follow us!! Experiment 2: Flame Sensor + Bluetooth + APP APP and demonstration video: Link: https://pan.baidu.com/s/1GI-4sCscgGP5ZAidTs2GrQ Extraction code: t5zq Copy this content and open the Baidu Netdisk mobile App for easier operation
The types of temperature sensors are numerous, classified by measurement methods into contact and non-contact types, by sensor materials into thermistors and thermocouples, and by working principles into analog and digital types. The previous article introduced the analog temperature sensor LM35, while this article introduces the use of the digital temperature sensor DS18B20. 1. Introduction … Read more
LED、running lights、breathe lights、RGB lights、buttons、passive buzzers Sound sensors、human motion sensors、motor drivers、servos、RFID、TFT LCD screens “钟娜”, “Tracy”, and a group of sunny, confident, and responsible children
Performance Parameters① Main Control Chip: ATmega328P② Digital I/O Pins: 14③ PWM Pins: 6④ Storage (Code Space) 32KB⑤ RAM (Runtime Storage) 2KB; EEPROM (Power-off Storage) 1KB⑥ Crystal Oscillator 16MHzOnline Simulation: https://wokwi.com/ Arduino Uno Tutorial ①: Install Arduino IDE Arduino Uno Tutorial ②: Development Board and LED Test Arduino Uno Tutorial ③: Button Control LED, with Exercises … Read more
Follow,Star Public Account so you don’t miss out on wonderful content The DHT11 digital temperature and humidity sensor is a comprehensive sensor that includes a calibrated digital signal output, commonly used in HVAC, automobiles, dehumidifiers, automatic control, and other fields. This article introduces the DHT11 driver and prints the collected ambient temperature and humidity data … Read more
Introduction to Ultrasonic Radar: The functionality of Arduino is truly powerful, allowing for the creation of interesting projects using various sensors. Today, we will develop an ultrasonic radar using the Arduino board and ultrasonic sensor, capable of detecting distances up to 40CM. When there are obstacles, the scanning interface will display red and show the … Read more
PIR Motion Sensor The PIR motion sensor, also known as a human infrared sensor, is widely used in fields such as anti-theft alarms, visitor notifications, and non-contact switches. Piezoelectric ceramic dielectrics can maintain a polarized state after polarization, known as spontaneous polarization. Spontaneous polarization decreases as temperature increases and drops to zero at the Curie … Read more
The proximity sensor is used to detect the presence of nearby objects. For example, the LJ12A3-4-Z/BX inductive proximity sensor is a compact, low-power, user-friendly, and stable proximity switch sensor used to detect the presence of metal objects. The LJ12A3-4-Z/BX has three pins, two for connecting to a 6-36V power supply, and the third is a … Read more
OMNI-ROBOT is an amazing omnidirectional mobile robot that can break the movement limitations of traditional robots, achieving free movement in eight directions. With its clever design and convenient WiFi control, OMNI-ROBOT provides an excellent learning and practical platform for robotics enthusiasts and developers. This article will delve into the design philosophy, hardware composition, software implementation, … Read more