brucemack

WARS-Birdhouse. LoRa Mesh Network Node

microlink. An open source EchoLink/AllStarLink implementation that runs on a simple microcontroller.

iso9141-interface. KiCad project for an IS0-9141 interface between a car and a micro-controller (ODB2)

hello-obd2. Car diagnostic port interface (ISO-9141) for a microcontroller

nanovna-controller. HTML-based control program for the NanoVNA

Si5351-Console. Arduino sketch for controlling features of the Si5351. Useful for home-brew radio debugging.

KC1FSZ-Beacon-2. A WSPR/RTTY Beacon for STM32/Si5351

tt07-sb-mixer. Tiny Tapeout ASIC: Double balanced mixer for 7 MHz and a quadrature divider using Sky130 technology.

ds1644-sub. An adaptor to replace DS1643/DS1644 with a more available substitute (M48T35)

gsm-0610-codec. A simple, dependency-free implementation of the GSM 06.10 CODEC in C++.

DRA818V. Simple Arduino controller for DRA818V Module

Peppermint-VFO. VFO/Controller for BITX40

ReturnLossMeter. KC1FSZ Arduino sketch for return-loss (VSWR) meter

hello-stm32f407. C

Tachometer. Arduino code for a simple GoKart tachometer.

KC1FSZ-STM32-lib. A number of utility libraries for use in STM32 electronics projects

ecu-sim. Simulator for an OBDI2 port

KC1FSZ-ProcessorBoard. STM32F407 + Si5351 + CODEC

hello-ili9341. A basic demonstration of a TFT LCD display using the ILI9341 driver chip (PI PICO)

kc1fsz-tools-cpp. Generic programming tools in C++, many related to embedded development.

microtunnel. A minimalistic TCP/UDP tunnel for micro-controller clients

kc1fsz-rx7. Breakout for PCM1804 A/D Converter

kicad-library. Miscellaneous symbols and footprints

KC1FSZ-Filter-1. Crystal SSB filter in 50x30 form-factor

hello-scamp. Basic testing of SCAMP encoding/decoding.

radlib. A C++ library for radio development.

Christmas2022. Arduino sketch for holiday light display control.

KC1FSZ-Converter-1. Bi-directional ADE-1+ converter with gain and pads

WARS-Birdhouse-Console. Python console apps for the WARS birdhouse mesh network project

hello-pico-si5351. Basic demonstration of SI5351 control on a PI PICO

LoRa-Node-1. LoRa Prototype (Remote)

VFO-7. Yet another iteration of a VFO based on the SSD1306/Si5351. This time with improved encoder noise management.

LoRa-Node-1D. LoRa Prototype (Base)

bell103-host. ESP32 (ESP-IDF) firmware for the Bell 103 subscriber loop simulator.

hello-ps2keyboard. Demonstration of reading a PS/2 style keyboard using a PI PICO

scamp-station. A simple SCAMP station for digital communication

hello-cmx865a. C++

Christmas2021. Light display controller code

WMS2020. Light Controller

KC1FSZ-10M-Rig-Control. CAT Control for 10M Rig

HelloI2S. Demo of I2S output with some test filters (tested on AKM4556VT Codec)

SCAM. Simple GCODE generator for home brew PCBs

python-radio. Python

KC1FSZ-IQ-Modulator.

VFO-6. C++

hello-asl. A minimal implementation of an AllStarLink (ASL) server in Python to support ASL research and development.

TM1638_Hello. Hello world program for the TM1638-based LED&KEY board

itu-g711-codec. Simple C implementation of the G711 encoder/decoder. Intended for use in embedded applications.

VFO3. VFO for Teensy/OLED/Si5351 (separate VFO and BFO)

KC1FSZ-VFO-5. STM32 version of Si5351 VFO Project

KC1FSZ-PAControl-1. Control system for RF Power Amplifier

KC1FSZ-FM-Demod-1. FM demodulation

KC1FSZ-I2S-Test. A simple demonstration of the I2S (SAI) controller on the Teensy 4.0.

STM32-Blinky. C