Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!
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Protocol specification for the M17 Project.
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Turn your Android phone into real VHF/UHF Walkie-Talkie (requires additional digital radio hardware/software modem)
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ibdspl-2.0 — opensource cross-platform digital signal processing algorithm library, written in C language. Distributed under LGPL v3 license. This allows to use this library in all applications with dynamic linking.
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The RGBtoHDMI interface converts the "digital" RGB video signal from the BBC Micro or Electron to HDMI compatible with most modern TV/Monitors.
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Digital controlled radio frequency oscillator based on Raspberry Pi Pico (1 Hz to ~32.333 MHz band). RTTY, MFSK, freq sweep examples are included.
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Analog-to-Digital Converter (ADC) - Temperature Measurement Using AVR128DA48 Microcontroller
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'rbfilter' is intended to design, predict and simulate digital filters. As of version 1.0 it can deal with low-, band- and high-pass filters, designed as "Sallen and Key", "Rauch" and Discrete forms of Bessel, Butterworth and Chebyshev types
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Integrated digital modes interface for amateur radio. Follow the project at https://digirig.net
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Implementation of several digital signal filters and functions for the generation of synthetic (surrogate) time-series.
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digital-filter-designer. a website application where you can design your desired digital filters online you can try it here: https://badra022.github.io/digital-filter-designer/
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DiFi++ is a small c++ header-only library for DIgital FIlters based on rational transfer functions such as the butterworth filter and the moving average filter
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This project is the original version of a digital VFO with analog dial display by Tj Lab(JF3HZB). ESP32 + SI5351A + OLED 1.7" 128*160
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Embroiderino is a test project which aims at providing all needed to turn an ordinary sewing machine into digital embroidery machine or at least to reuse any other embroidery machine with mainboard failure.
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This project RadioDSP define a experimental open platform to build Real Time filtering and audio digital signal elaboration from a source audio signal in output from radio transceiver or receiver
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rpidatv is a digital television transmitter for Raspberry Pi (B,B+,PI2,PI3,Pizero) which output directly to GPIO. (Created by Evariste Courjaud F5OEO. Code is GPL)
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HADIE - High Altitude Digital Imaging Experiment - ssdv encoder / transmitter
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