collection of Arduino sketch examples of transmitting on the Helium network with several LoRaWAN development boards.
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nostr - Notes and Other Stuff Transmitted by Relays
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FM Transmitter. Use the Raspberry Pi as an FM transmitter. Works on every Raspberry Pi board.
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Raspberry Pi bareback LF/MF/HF/VHF CW (Morse code) transmitter
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Dashy helps you organize your self-hosted services by making them accessible from a single place
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Backend server for SOTLAS (https://sotl.as), serving summit and activator data to the frontend, handling photo uploads and distributing SOTAwatch spots asynchronously via WebSocket.
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This is the Vue.js based frontend for SOTLAS (https://sotl.as), an interactive atlas of summits for the Summits On The Air amateur radio program.
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A wspr transmitter and general coverage receiver using the QRP Labs arduino shield and receiver module.
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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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Horus Binary 4FSK Transmit Example, using RadioLib
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ESP32 AM Radio Transmitter
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This is a simple, inexpensive, transmitter and full-feature controller for conducting ARDF Foxoring competitions.
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Raspberry Pi bareback LF/MF/HF/VHF WSPR transmitter.Makes a very simple WSPR beacon from your RasberryPi by connecting GPIO port to Antenna (and LPF), operates on LF, MF, HF and VHF bands from 0 to 250 MHz.
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Pi-FM-RDS FM-RDS transmitter using the Raspberry Pi
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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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librpitx Radio frequency transmitter library for Raspberry Pi (B, B+, PI2, PI3 and PI zero). It is now the base of rpitx project, separate from application
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WSPR-TX Pico Transmitter
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HADIE - High Altitude Digital Imaging Experiment - ssdv encoder / transmitter
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Receiving and transmitting of SSTV and HAMDRM (DSSTV)
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rpitx is a general radio frequency transmitter for Raspberry Pi which doesn't require any other hardware unless filter to avoid intererence. It can handle frequencies from 5 KHz up to 1500 MHz.
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