1. Main Hardware Components: (Making Two Axes) 1. Two desktop CD drives 2. Two Easydriver stepper motor drivers 3. One Arduino UNO R3 development board 4. One relay module 5. One 100mw blue-violet laser head It is the simplest and most convenient to make a laser engraver based on the reference prototype, and it only … Read more
In the previous article, we briefly introduced how to choose development boards in different fields, but many people are still confused because we didn’t recommend specific models. In this article, we will look at what types of development boards are suitable for specific fields. Here, I will recommend development boards based on the performance you … Read more
The reading distance is up to 5CM. Coil inductance is 47~68uH. Direct serial output operation: 1. RDM6300 card reader module wiring is as follows: 5V power supply. 2. Upload an empty program to the Arduino development board: void setup(){} void loop(){} 3. Arduino IDE serial output data: The RDM630 series is a specialized module for … Read more
To do a good job, one must first sharpen their tools. The previous article explained the software environment for Arduino development, and this article will introduce the hardware environment for Arduino development, namely the Arduino UNO R3 development board. UNO R3 Development Board The Arduino ecosystem includes various development boards, modules, and expansion boards. Among … Read more
I purchased the Arduino UNO R3 development board for 23 yuan. Because it is relatively expensive, its board and chip are consistent with the official version priced at 88 yuan. The USB to serial converter uses either the ATmega16U2 or ATmega8U2. Specifications: ■ Operating Voltage: 5V ■ Input Voltage: No external power supply is required … Read more
Requirements for This Unit Experiment The experiments in Unit 3 are divided into two parts: Basic Experiments and Advanced Experiments. All experiments in this unit are based on the Arduino UNO R3 board. It is essential to understand the hardware circuits and corresponding software, and to thoroughly grasp the principles of each experiment and the … Read more
The development of microcontrollers has led to a wide variety of models available today, seen in everyday appliances like rice cookers, remote controls, and washing machines, all controlled internally by microcontrollers. The microcontrollers used in these products are customized and are not the same as those we use for learning. Many beginners may still be … Read more
To Youth: Graduation Season We do not say goodbye The story of youth, today I tell you Love isn’t easy. That’s why they call it love. In the blink of an eye, the 2016 graduates have already graduated. Although we did not say goodbye in person, we sincerely wish them a bright future. Next, let’s … Read more
Introduction to Digital Tubes The pins related to data of 74HC595 can be divided into three categories: DS: Serial data input, connected to a certain digital I/O pin of the microcontroller. Q0~Q7: 8-bit parallel data output, can directly control 8 LEDs or the 8 pins of a seven-segment digital tube. Q7′: Cascade output terminal, connected … Read more
Getting to Know Arduino: Arduino is a convenient, flexible, and easy-to-use open-source electronic prototyping platform. It consists of two parts: the hardware part is the Arduino circuit board used for circuit connections; the other part is the Arduino IDE, which is an application that provides a programming development environment, integrating code writing, analysis, compilation, and … Read more