Dl Fldigi is an adapted version of the excellent free FLdigi soundcard decoding software. It takes the audio from your radio, decodes the balloon's signal, and then sends the telemetry
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The goal of the project is to design a system with a size of a tube about 40cm long by 7cm in diameter, which can be released in free fall from almost anywhere, and will automatically deploy a parachute canopy and steer it to a precise GPS point.
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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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Implementation of several digital signal filters and functions for the generation of synthetic (surrogate) time-series.
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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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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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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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Sample code to make fft on adc input on pico. This uses the KISS FFT (https://github.com/mborgerding/kissfft)
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WiFi Stepper Motor Controller for Magnetic loop antenna
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Protocol specification for the M17 Project.
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A companion display & controls for the FT-817.
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Firmware for DMR transceivers using the NXP MK22 MCU, AT1846S RF chip and HR-C6000 DMR chipset. This includes the Radioddiy GD-77, Radioddity GD-77s, Baofeng DM-1801 and Baofeng RD-5R.
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New M17 hotspot/analyser, this time with ADF7021
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M17 4FSK Modulator & Demodulator in C++ (GPL)
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The Nucleo TNC is a breadboard implementation of the Mobilinkd TNC3 using a STM32L432KC Nucleo32 board. This TNC faithfully implements the audio section and EEPROM storage of the TNC3. It omits the battery charging and Bluetooth components of the TNC3.
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Firmware for the Mobilinkd TNC3. STM32L433-based Bluetooth/LE KISS TNC.
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Android app for rdzTTGOsonde
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A GUI for ESP8266 flash tool esptool-ck with basic features, geared towards being a production flashing tool.
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Tiny Python Panadapter: https://aa6e.net/nw/projects/13-tiny-python-panadapter
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A pocket sized FT8 Transceiver utilizing Teensy 3.6, Si4735 and Si5351 technology.
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