To join the hardware electronics learning group, reply with “Join Group“. Sometimes, when a circuit needs to implement a master-slave communication setup, the commonly used communication protocols are SPI, I2C, or RS485 bus forms. Among these, I2C is the simplest and most convenient for on-board communication, requiring only two wires to establish a bus. However, … Read more
Proteus software is a comprehensive tool widely used for electronic circuit design and simulation, developed by Labcenter Electronics Ltd. This software enables a variety of functions including schematic and PCB design, SPICE simulation, microcontroller simulation and programming, and embedded system design, making it a highly practical electronic design software. When designing circuits, Proteus software provides … Read more
IntroductionRecently, some friends have reported that they did not understand the power supply circuit of our open-source Bluetooth speaker solution.Open-source address: https://oshwhub.com/sunsilicon/s-be5607eThe power supply design of the Bluetooth System-on-Chip (SoC) is crucial, directly affecting the performance, stability, battery life, and cost of Bluetooth devices. When designing, multiple aspects must be considered comprehensively to ensure that … Read more
Principles of Pull-Up Resistor Application1. When a TTL circuit drives a CMOS circuit, if the high level output from the TTL circuit is lower than the minimum high level of the CMOS circuit (generally 3.5V), a pull-up resistor is needed at the TTL output to increase the high level output value. ……………………….2. An OC gate … Read more
Recommended Videos When devices face unexpected power outages from external power supplies, it can easily lead to data loss in memory or even system damage. The eUPS0505 embedded micro power backup module is compact and easy to use, providing stable backup power and quick power outage notifications, thus safeguarding embedded systems. Application Scenarios and FunctionsIn … Read more
“Grounding is considered a solution to many EMI issues. However, when grounding is done improperly, the chosen grounding scheme can become part of the problem. This article illustrates the issue of grounding coupling interference through simple examples.” 01 — Common Impedance Coupling According to Ampere’s law (the theoretical cornerstone of EMC grounding concepts – Maxwell’s … Read more
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This week we will learn embedded programming. Let’s continue to experience the classroom notes filled with new terminology! Microprocessors/Microcontrollers Memory: registers, SRAM (Static Random Access Memory), DRAM (Dynamic Random Access Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), FLASH, fuse Peripherals: A/D (Analog to Digital), comparator, D/A, timer/counter/PWM (Pulse Width Modulation), USART (Universal Synchronous/Asynchronous Receiver-Transmitter), USB … Read more
Electronic Engineers and PCB Design PCB design is an indispensable part of modern electronic engineering. As an electronic engineer, mastering PCB design skills is an important aspect of one’s career. This article will introduce the basic concepts of PCB design, the design process, and common design software. 1. Basic Concepts of PCB Design A printed … Read more
The following link contains installation packages for various versions of Multisim. Download the version you need. There is a Word version of the installation guide in the compressed package, please download it together! Link: https://pan.baidu.com/s/1mjjsTINSpjmITYXSDoyD8w Extraction code: 1fk2 Next: https://pan.baidu.com/s/1DnkGIMCroenQ5Dp_cQL2zg Extraction code: 00ho Description of Multisim Features Multisim is a simulation tool developed by National … Read more
As shown in the figure below, this section explains how to build this circuit on the Multisim working platform. 1) Select components from the component library and place them on the working platform. Double-click the Multisim icon to run Multisim, click on “Place” → “Component” in the upper left corner. As shown in Figure 1, … Read more