sh123

codec2_talkie. Turn your Android phone into Amateur Radio Codec2/OPUS APRS enabled DV handheld transceiver (Bluetooth/BLE/USB/TCPIP KISS/Sound modem client for DV digital voice communication)

esp32_loraprs. LoRa ESP32 KISS Bluetooth modem (for APRSDroid or aprs.fi iOS) + APRS-IS RX/TX iGate over WiFi + Digipeater + DV (with Codec2 Walkie-Talkie)

esp32_loradv. ESP32 based Codec2/OPUS DV hobby UHF 3d printed handheld transceiver aka walkie-talkie

esp32_opus_arduino. OPUS medium/high bit rate audio codec Arduino library for ESP32

nano_power_meter. Dual channel Arduino Nano milliwatt power meter for HF/VHF/UHF/SHF bands

micro_loraprs. Arduino Micro LoRA/FSK USB KISS modem (for Linux AX.25, APRSDroid, Codec2Talkie) or standalone APRS AX.25 micro digirepeater

esp32_codec2_arduino. Codec2 low bit rate audio codec Arduino library for ESP32

antenna_analyzer_vna. Pocket Arduino Nano based graphical SWR 160-6m bands panoramic VNA antenna analyzer based on AD9850, AD8302 and SGA3386

lora_arduino_kiss_modem. Single sketch LoRa Arduino TNC KISS modem for APRS or AX.25 networks

nrf24l01_arduino_kiss_modem. Arduino Amateur Radio NRF24L01 2.4 GHz USB serial KISS TNC (terminal node controller) for AX25 packet networks

nano_swr_meter. Simple portable HF 50mW-110W SWR/POWER meter based on tandem match and Arduino Nano

libaprs_bluetooth_tnc. Simple Bluetooth KISS AFSK1200 TNC based on LibAPRS

openwrt-b43-amateur-radio-mods. HSMM OpenWRT backfire 10.03 b43 (WRT54G) patches to make it work on 13 cm amateur band (channel 0, 2407 MHz)

magloop_controller. Arduino magnetic loop antenna controller and 3d printed high voltage sliding capacitor

libaprs_tracker. Simple standalone APRS tracker based on LibAPRS with GPS module, screen and rotary encoder

antenna_analyzer_swr. Simple SI5351 based SWR resistive bridge antenna analyzer

LibAPRS. An APRS library for the Arduino IDE

Remote-SDR. Remote control of 2 Software Design Radio. Receiver and transmitter. Based on Adalm-Pluto SDR or RTL-SDR or Hack RF SDR or SDRplay and signal processing using GNU Radio on Raspberry PI. GUI on a web browser.

nRF24L01pScannerOled. Band scanner with nRF24L01 and OLED display

variometer. Variometer (variable inductor) OpenSCAD generator and related files

arduino_uno_pet_puller. Alternative Arduino UNO based shield and firmware for Petalot

ccsniffpiper. ccsniffpiper for cc2540

Rotary. Rotary encoder library for Arduino