489 Results for "%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%EA%B0%95%EC%B6%94%E2%9C%9Awww%2Coptime4.com%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%20%EC%9D%B8%EC%B2%9C%EB%A7%88%EC%82%AC%EC%A7%80%20%E2%9C%9A%20%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%E1%98%9B%20%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%EC%82%AC%EC%A7%84%E1%98%9B%20%EC%9D%B8%EC%B2%9C%ED%9C%B4%EA%B2%8C%ED%85%94%20%EC%9D%B8%EC%B2%9C%ED%82%A4%EC%8A%A4%EB%B0%A9%20%ED%83%80%EC%9E%84"

Exhibition Position
Hacker page by Richard
Huaxing Intelligent Control UWBLOC positioning system adopts self-developed wireless pulse ranging technology to achieve precise positioning of exhibition hall personnel and exhibits. The positioning accuracy is better than 30 cm. By setting the base...

Hydroponics Nutrient feeder unit
Hacker page by Rohit Sharma
I have been growing leafy greens using Hydroponics for the last 3 years. I was tiered checking out for the nutrient levels and pH level of the nutrient water solution, so I decided to make a nutrient feeding unit to maintain the optimal nutrient level...

Computing In-Memory Technology: Mimicking the Brain to Boost AI Computing Efficiency 20 times.
Hacker page by witmem
The human brain, a mysterious biological computer, has long been the subject of study and imitation by scientists. With its 20 billion neurons and 600 trillion synapses, the brain is a marvel of nature, known for its complexity and efficiency. Experts...

Motor Controller Software and Circuit for Dyson Vacuum Cleaner Motors
Hacker page by Hasan
Dyson V6 Setup and Running System Dyson handheld vacuum cleaners utilize high RPM brushless DC motors. Specifications indicate that some models can reach as high as 125000 RPM. I’ve disassembled DC56(V2), V6, and V10 models. Each has a brushless single-phase...

How can solar LED street lights replace AC LED street lights?
Hacker page by torr45838
Some people say that if LED street lights are not powered by solar energy, they will have no further value for use; Some people also say that solar power supply will only make the production cost of LED street lights more expensive, making it difficult...

My opinion on a Hi-Link AC-DC module
Hacker page by helge
Some manufacturers make low power AC-DC modules for small appliances, IoT devices and smart meters. MeanWell may come to mind (IRM-05-3.3), but one of the most cost-competitive modules is the Hi-Link HLK-PM03. Here I will have a closer look at how the...

Apple][+ Videx Videoterm Card (80 Columns) Emulation
Hacker page by Augusto Baffa
// Videx Videoterm Card Emulator // by Augusto Baffa feb 2024 // // Based on Apple II Simulator // by Peter Koch, May 6, 1993 int videx_slot = 3; bool card_videx = true; bool card_videx_mem_on = false; bool card_videx_80col = false; class VidexCard...

Power supply characteristics. Turns the AC/DC power supply on and off. Low-cost parameter measurement.
Hacker page by teardownit
Power-on and parameters characterizing the behavior of the power supply when turned on Powering on the AC/DC source can be separated into the following phases: Connecting to the grid, charging the input capacitorsPreparing the power supply control circuit...

Ac Servo Motor Vs Dc Servo Motor
Hacker page by Mark Liu
AC servo motor and DC servo motor are two classifications of servo motors. In this article, we'll briefly cover some of the main differences between AC and DC servo motors and their respective advantages and disadvantages, but let's start with some basics.DC...

AC/DC Bridges for measurement, Wheatstone bridge
Hacker page by teardownit
When servicing metal cable lines, measuring bridges are most commonly used. However, other devices are also available for locating cable faults. Firstly, they provide high accuracy in a wide range of measured values. Secondly, their use makes it possible...

How to maintain the AC servo motor control system?
Hacker page by Mark Liu
For the maintenance of ACservo motor control systems, the following are some common precautions:(1) Clean the servo motor and controller regularly to ensure that their surfaces are clean and to prevent dust, oil and other impurities from entering the...

Are stepper motors DC motors or AC motors? Is the stepper motor a brushless motor?
Hacker page by Mark Liu
Preface: As we all know, stepper motors are often applied in industrial production equipment. But many people are not clear about whether the stepper motor is a DC motor or an AC motor, and whether the stepper motor is a brushless motor. It is safe...

MBee IOT 7080G
Hacker page by ModuleFun
**Overview** It is designed for applications that need low latency, Low throughput data communication in a variety of radio propagation conditions. Due to the unique combination of performance, security and flexibility, the SIM7080G module is ideally...

UWB+GPS Converged Equipment
Hacker page by Richard
Product features: support Beidou differential positioning and UWB positioning, automatic switching between indoor and outdoor high-precision positioning, positioning accuracy up to 2 cm outdoors, up to 10 cm indoor positioning accuracy, IP67 protection...

Wireless MCU platforms
Hacker page by Christoph Tack
ESP32 The ESP32 development boards are not without their problems. Why keep using them anyway? The ESP32 IC only costs €2.31/pce on Digikey. Design a decent breakout board and done! Well, if you don't want to design your own...

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