4 layers100 × 100 mm

SDR TRX
frohro/SDR-TRX
SDR-TRX is an experimental low-cost digital mode ham radio HF transceiver.
141 parts14
Boards in 5 GitHub repositories, designed in KiCad, that use the CJ432 by WEIDA (0℃~+70℃ 1.2214V~1.2586V 100mA Adjustable Parallel ±1.5% SOT-23 Voltage Reference ROHS). See how each wires it, with its parts, size, README and files; the CJ432’s symbol, footprint and pinout are on its own page.

frohro/SDR-TRX
SDR-TRX is an experimental low-cost digital mode ham radio HF transceiver.

Jana-Marie/Mini-TDR
Software defined TDR based on an STM32G474, MCU+USB interface work and are tested, TDR AFE is untested. Firmware needs to be updated.



Elektronika-u-Petnici/PEP
Set štampanih ploča namenjenih za učenje elektronike