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DIY Extremly Sensitive and cheap Geophone sensor for Earthquakes detecting
Pavleski Feb 23,2024
A geophone is a device used in geophysics to detect ground movement. It is specifically designed to measure seismic waves, which are produced by various sources, including earthquakes, and explosions. Typically consist of a mass suspended on a spring and a coil of wire within a magnetic field. When the ground shakes due to seismic activity, the mass moves, causing the coil to move within the magnetic field. This movement induces an electrical voltage in the coil. This signal is then amplified an…
Arduino ESP8266 DIY
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Very simple SWR meter
Bochkarev Feb 23,2024
Typically, amateur designs use an SWR meter based on a directional coupler, which has an incident and reflected wave switch and a sensitivity control. When setting up the transmitter, you have to perform a large number of manipulations not only with the P-circuit adjustment controls, but also with the SWR meter.The device described below simplifies the procedure for matching the transmitter and load. The LED panel directly displays the SWR measurement result. In addition, the device has automati…
Arduino DIY Radio
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DIY Thermal Camera
Joseph Feb 21,2024
Ditch X-ray vision, thermal cameras are the real industrial superheroes! They don't just see light, they see heat, making them masters of uncovering hidden energy drains, pinpointing overheating gadgets, and even aiding soldiers in the dark. They're invaluable in industries like tech repair, where they sniff out shorted circuits like electronic bloodhounds. The only catch? Their price tag can be a bit frosty. But hey, technology is always evolving, and soon, thermal vision might be just as commo…
Arduino ESP32 Camera
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OfflineGCodeSender
Fareed Read Feb 19,2024
Ini merupakan sebuah modul pengontrol mesin CNC berbasis GRBL v1.1 yang bisa digunakan bersama mesin CNC tanpa harus menggunakan komputerUntuk pembahasan lebih lanjut silahkan kunjungi situs Fareed Read's BlogUntuk videonya bisa dilihat dibawah ini
Arduino CNC milling DIY
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Retro Internet Radio using ESP32 & Transparent OLED Display | Back PCB
Rane Feb 19,2024
This project contains two different PCBs (Front & Back) with different designs. This page includes Gerber files for only Back PCB. Click here for Front PCBIntroductionSeveral years ago, I crafted an FM radio using the compact RDA5807M module, a tuner that delivered FM radio in a small package. While it functioned well and brought enjoyment to the entire family, the reception was subpar. I resorted to hanging a lengthy wire down my window to enhance reception just to get a usable audio on fe…
ESP32 Audio transparent OLED
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Arduino FFT Spectrum analyzer on VFD display GP1287
Pavleski Feb 16,2024
An audio spectrum analyzer is a device that visualizes the frequency content of an audio signal. It represents the distribution of frequencies in a graphical form, typically displaying amplitude or power on the y-axis and frequency on the x-axis. This tool is commonly used in audio engineering, music production, and sound analysis for various purposes. This time I will describe how to make an audio FFT spectrum analyzer on a 256x50 pixel VFD display. These types of displays emit very bright li…
Arduino DIY ESP8266
527
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Commodore Amiga 500 MOS 6570 036 Keyboard controller Replacement Mitsumi 6570-036 ATmega 644 6500
kinmami Feb 15,2024
ATmega 644 based Replacement for the MOS 6570-036 installed into the Amiga keyboards.It is an open project. Firmware not provided.
Commodore Amiga Hardware
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WS2812B RGB LED Controller with ESP8266 via WiFi
silicioslab Feb 13,2024
IntroductionWS2812b addressable RGB LEDs are devices widely used in lighting projects. They are found in the format of LED matrices and strips.LED strips, for example, are widely used in decorative lighting, luminaire construction and many other applications.And to ensure the correct color, it is necessary to use a controller to control the color, luminous intensity and lighting effects of the LEDs.Most WS2812B LED controllers use a remote control. However, our goal is to develop a controller th…
3D printing Arduino ESP8266
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ADX – Arduino Digital Transceiver V2 BUTTOM PANEL
EW7DDR Feb 11,2024
ADX – Arduino Digital Transceiver V2 TOP PANELADX – Arduino Digital Transceiver V2ADX – An Arduino based HF Digital Modes TransceiverADX is an Arduino based Digital Modes Transceiver. ADX is abbreviation for Arduino Digital Xceiver. So where does thing come from?When QRP labs released QDX Transceiver for Digital Modes I watched with fascination Hans Summers’s Youtube video explaining details of QDX. For me QDX is the perfect optimized Transceiver for digital modes. Inspired by QDX I decided …
DIY Arduino Radio
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ADX – Arduino Digital Transceiver V2 TOP PANEL
EW7DDR Feb 11,2024
ADX – Arduino Digital Transceiver V2ADX – An Arduino based HF Digital Modes TransceiverADX is an Arduino based Digital Modes Transceiver. ADX is abbreviation for Arduino Digital Xceiver. So where does thing come from?When QRP labs released QDX Transceiver for Digital Modes I watched with fascination Hans Summers’s Youtube video explaining details of QDX. For me QDX is the perfect optimized Transceiver for digital modes. Inspired by QDX I decided to put together my own! :)Of course I wasn’t H…
Radio DIY Arduino
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