A small hardware device for transmitting WSPR messages based on the SI5351 IC which uses GPS for transmission time synchronization and automatic QTH locator calculation.
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Updated
Jul 16, 2024 - C++
A small hardware device for transmitting WSPR messages based on the SI5351 IC which uses GPS for transmission time synchronization and automatic QTH locator calculation.
All HF bands QRP CW/SSB transceiver
Drop-in replacement for the crystal oscillator in the GBA/GBA SP. Allows for dynamic gameplay speed up/down.
Custom firmware for Vaisala RS41 and Graw DFM-17 radiosondes with support for amateur radio use. Ideal for tracking high-altitude balloons. Supported modes include APRS, Horus 4FSK mode, CATS, morse code (CW) and additional digital modes like WSPR and FT8 via Si5351.
STM32 stuff
Digital Variable Frequency Oscillator to be applied to Citzen Band/Amateur Radio transceivers.
Scalar network analyzer developed to measure frequency response of filter, amplifier, transmission line and other frequency-dependent circuit.
All HF bands QRP CW transceiver
Conseguir unir 2 Esp32, creando un bus DDR de 12Bits.
Simple SI5351 based SWR resistive bridge antenna analyzer
Library for the Si5351 clock generator IC in the Arduino environment
Portable QRP CW Transceiver
A quad output variable frequency oscillator
Amateur Radio Single Sideband Transceiver Controller for Arduino and SI5351 Clock generator. Includes Dual VFO, single or double band support for 20 and 40 meter bands, CAT control, optional S-meter, multiple supported displays including options include 20x4 LCD, Color TFT, and 2.8" Nextion Touch Screen
DC QRP CW transceiver
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