A LTspice library for designing controller by drwaing control block diagram

SSB generation using 'Polar Modulation' scheme. Like https://dl0tz.de/polar/index_en.html but using Si5351! WIP - not done yet!

This is a simple and experimental modification that transforms your QCX into a (class-E driven) SSB transceiver.

HSTX-native HDMI output library for RP2350 with hardware TMDS encoding and audio support

Mini FT8 on M5 Cardputer for portable operations

This Repo Contains all the Assignments, Submissions and Weekly Progress of the Summer Project - Swarm Robotics

Guitar pedal netlists for ngspice modeling & simulation

Free download of Micro-Cap 12 (Spectrum Software). Complete archive of the final SPICE circuit simulator, including the Windows installer, libraries, and components.

Flash the Sidecartridge uf2 firmware files to the Raspberry Pi RP2040/RP2350 devices using webusb protocol in Chromium

RX-888 inspired SDR platform

notes on ncmc transit card's infra + my assumptions

Production-grade Ghidra MCP Server — 132 endpoints, cross-binary documentation transfer, batch analysis, headless mode, and Docker deployment for AI-powered reverse engineering

picoclaw

Pico TNC is a Packet Radio TNC used for Amateur Radio. It is a full TNC unlike many that are just APRS specific. It supports the full AX.25 Level 2 Protocol set and is compatible with older softwar…

Quansheng UV-K5 EEPROM programmer

Radio beacon based on si5351

This is the Xastir APRS client repository.

A properly configured OpenCore-ISO image for Proxmox VE and QEMU/KVM - Support Mac OS X 10.4 to macOS 26

Spectrum Analyzer for the Rigol DS1000 series oscilloscopes

No-as-a-Service (NaaS) is a simple API that returns a random rejection reason. Use it when you need a realistic excuse, a fun “no,” or want to simulate being turned down in style.

tp4056_replacement_PCB

Code for sending audio (APRS packets) over the HamWing using a low-pass-filtered PWM

SRAM2 Demo on STM32L452KC Nucleo-32 Board (no fault)

Simple Bluetooth low energy UART interface for KISS (APRS) TNC

The SDK and HDK for RISC-V Bluetooth LE BLE5.4 CH591/CH592