This is a simple, inexpensive, transmitter and full-feature controller for conducting ARDF Foxoring competitions.
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Arduino firmware for WSPR-RX Hardware Version 2.
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Receiving and transmitting of SSTV and HAMDRM (DSSTV)
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FT8 library. A C++ implementation of FT8 protocol, mostly intended for experimental use on microcontrollers.
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This sketch implement s basic SSB radio control panel with the following features: Dual VFO A/B Rotary encoder for tuning, push button to change tuning increment SI5351 Clock generator for the LO and BFO CAT Control (emulates an ICOM IC-746)
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A companion display & controls for the FT-817.
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tool to convert bitmaps into MicroPython code fragments
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JT65/JT9/JT4/FT8/WSPR/FSQ Encoder Library for Arduino
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collection of Arduino sketch examples of transmitting on the Helium network with several LoRaWAN development boards.
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collection of GNU Radio blocks for receiving LoRa modulated radio messages using a Software Defined Radio (SDR)
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Video Recorder for ESP32-CAM with http server for config and ftp server to download video
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ESP32 Composite Video Library is a library that provides functions to generate composite video signal without any external hardware on ESP32 chips.
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M17 4FSK Modulator & Demodulator in C++ (GPL)
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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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'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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