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Setting up the Arduino DUE to run as an SDR software defined radio

HF Antenna analyzer with Arduino Nano, open software has also become a commercial product

This sketch will read RF power and SWR from any SWR bridge, designed to work on VHF UHF bands

SWR / Wattmeter with Arduino Uno Shield. It can measure from 2 to 200 watt and SWR for HF Ham radio.

An home made antenna analyzer made with Arduino Nano

Power and SWR Meter with dual bargraphs and sticky bar, using 2x AD8307

An HF QRP CW RTX built around the Arduino open-source electronics prototyping platform

Controlling an antenna tuner with an arduino board. The project includes movies, explanation and the arduino code

Open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, often rivaling commercial keyers.

Ham Radio applications with the Arduino micro-controller presentation

This project describes an ARDUINO based automatic antenna tuner, for an end-fed half wave (EFHW) antenna, working on 20 & 40 meter bands

An cheap homemade azimuth and elevation rotation system using an Arduino/AVR.

An interesting rotator interface that interfaces a pc to a rotor or rotator controller, emulating a Yaesu GS-232A/B and Easycom protocols, made with Arduino

Inline RF Power & VSWR Meter. A DIY meter 0 to 30 Watt with Average and Peak. Circuit Description, Arduino Nano software code and part list to DIY your own Digital SWR Meter

A DDS VFO using the Arduino Uno platform

An open source Automatic Packet Reporting System tracker based on Arduino by Javier Martin

CI-V based remote antenna switch project by IK5PWC

Cheap AFSK TNC, APRS for everyone with arduino, BeRTOS and a STM32F100 chip by OM5AMX

This Arduino project decode ICOM CAT frequency information and switch antennas according to preset values. RX and TX antennas can even be different, a project by ON7EQ

Build your own home made Antenna Analyzer with an arduino micro, or a cheeper one with a pic processor

This is an attempt to build an Antenna rotator controller using Arduino Mega 2560 with a nice user interface showing the actual position of the antenna.

A multiplatform software oscilloscope and logical analyzer software that acquires data using an arduino or a parallax USB Oscilloscope

A homemade remote antenna switch made with an Arduino Uno by KK7S

An interesting arduino project to work as an antenna tuner

Homemade SWR PWR Meter based on Arduino

A multi-mode QRP radio beacon built around the Arduino. This radio propagation beacon transmitter project is presented by M0XPD

A sketch to read the input from the microphone and translate the dots and dashes into ASCII characters.

An Arduino project to make it work as a KISS TNC

An interesting project about an Arduino-based frequency counter fot the Kenwood TS-520S

Arduino uno universal VFO/BFO with Si5351 and TFT touch screen for BITX like txcvr

Generic PI4 + CW + Carrier Arduino Beacon Controller with interfacing to Analog Devices AD9833 DDS AD9850 DDS, AD9851 DDS, AD9912 DDS , AD9913 DDS, ADF4350 and ADF4351 synthesizers, ADF5355 synthesizer, ADF5356 synthesizer, Radio modulated by an audio soft-DDS Reverse DDS, RDDS microwave unit, Silicon Labs Si5351A programmable clock generator, Silicon Labs Si570 programmable XO/VCXO, Texas Instruments LMX2541 synthesizer

Hy-gain HAM-IV rotator control with Arduino by OK1BIL

An Arduino APRS project based on the real time OS BeRTOS

The circuit is based on two AD8307 log amplifiers, which are connected to the forward and reflected ports on a directional coupler

Arduino automatic CW Keyer for amateur radio

Building an Open Source Arduino APRS Tracker with LCD & GPS ( SVTrackR )

A project for a simple RTTY decoder based on Arduino UNO R3. Includes the RTTY modem source code available for download along to schematics pictures and references.

A controller for the miniVNA using an Arduino UNO and touch screen color graphic LCD display

Arduino Band decoder project available in KIT

Rotator Controller Using Arduino and PstRotator project by G4HSK

A vector graphic antenna analyzer project page by DC2WK demonstrating a project realized by DG7EAO includes, part list, schematics, and videos.

Antenna Rotor Control Software for Windows and Linux is a companion project to the arduino rotor controller.

This Arduino library allow you to control various functions of Yaesu FT-857 through the use of CAT functions. This may work even with FT-817 and FT-897.

Inspired by Milan OK7GU, the goal is to build an universal antenna controller - for different types of rotor, different motor, encoder

An Arduino TNC modem project based on KI4MCW source code with pictures and schematics

A Yaesu rotator controller made with an arduino

An example of how to control a Yaesu FT-817 with an Arduino to make a multi-band CW beacon.

HamShield is a powerful VHF UHF transceiver that lets your Arduino talk to far away people using ham radio bands

This project hereby presented is a complete HAM radio simplex 'smart' repeater, built around a Motorola GM-350/950, Arduino NANO board and a WINBOND audio recording integrated circuit

An Morse Code CW beacon keyer done with arduino include the source code and a movie