704 Results for "%E3%80%8A%20%EC%98%88%EC%95%BD%EB%AC%B8%EC%9D%98%20OIO%E2%86%978489%E2%86%978306%E3%80%8B%EA%B0%80%EB%9D%BC%EC%98%A4%EC%BC%80%E2%94%A6%EA%B0%80%EB%9D%BC%EC%98%A4%EC%BC%80world%EC%84%A0%EB%A6%89%EA%B0%80%EB%9D%BC%EC%98%A4%EC%BC%80%EA%B0%80%EB%9D%BC%EC%98%A4%EC%BC%80%EC%82%AC%EC%9D%B4%EC%A6%88%EC%B2%AD%EB%8B%B4%EA%B0%80%EB%9D%BC%EC%98%A4%EC%BC%80promotion%20%EC%84%A0%EB%A6%89%EA%B0%80%EB%9D%BC%EC%98%A4%EC%BC%80%E2%94%AB%20%E2%88%AB%EC%84%A0%EB%A6%89%EA%B0%80%EB%9D%BC%EC%98%A4%EC%BC%80decided"

Breadboarded 80-LED Analogue Oscilloscope
Hacker page by David Scholten
A very old project. By using a single VU meter IC (LM3915?) and aanother IC that sequentially connects the columns of LEDs to ground (i.e.the time scale), the VU meter effectively "sweeps" across the waveform ina quick succession.

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...

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...

The Shape of the Electron
Hacker page by chipveres
http://physicsdetective.com/the-electron/#:~:text=The%20electron%20is%20a%20spinor,%E2%80%9Cexist%20as%20standing%20waves%E2%80%9D.I have been in this silly business for 50 years and this is the most cogent explanation I have seen for the nature of the...

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...

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...

Top 20 Hackaday Prize 2020!!
Hacker page by AVR
Hey folks!!! today is the last day to vote for projects for the top 20 in the hackaday prize! I entered the competition a bit later than everyone else, since I wanted to go in with an idea/project that I felt passionate about enough to work on all the...

Design Tool Help for over 20 CAD packages
Hacker page by oshpark
Having trouble uploading?Curious about what we want from your design files?Here are some help pages for using common CAD packages with OSH Park:Altium CircuitMakerAltium DesignerCadence Allegro (OrCAD)Copper ConnectionDesignSparkDipTraceEagleEasy-PCFreePCBFritzingGerbVKiCADMentor...

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...

Zero-Bias Current Class-AB Audio Amplifier
Hacker page by David Scholten
A very old "relaxing" audio amplifier project with an input powered from+/-12VDC (SLA batteries). The audio signal is sent through an OPA2134preamp and then to a BD135/BD136 power stage. With zero bias current,it relies entirely on feedback!

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...

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...

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...

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...

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