Hardware projects tagged radio

My PCB design for an APRS TNC, based on Mark Qvist's excellent MicroModem design. Can be used as a standalone TNC or controlled by several serial protocols. This repo is a mirror for:

Si468x-based DAB/FM receiver module (M.2 E-Key) with open hardware and Linux integration.

A relay-driven dual DC motor controller for a double-swing gate opener. Uses Arduino and LoRa. This repo is a mirror for:

LNA with SAW filter

LNA3030 is an in-line SMA Low Noise Amplifier with SAW filter

LoRa Mesh Network Node

Build a SDR SW/MW/LW Receiver with a Raspberry Pi Pico

dc power mod for radios using usb-c connector and usb-pd protocol powering at 12V

All HF bands QRP CW/SSB transceiver

LNA with filter for 400-440 MHz (UHF for amateur satellites)

low cost software radio platform

Si5351 and Arduino based superheterodyne receiver

a 2.4 GHz SDR neighbor using 1 bit ADC

a Nordic nRF24L01+ neighbor

Portable QRP CW Transceiver

a quadruple 2.4 GHz ADF7242 transceiver neighbor for monitoring Bluetooth LE

The do-it-yourself Arduino-based Noko monster. Version 2 with PCB and 3D printed casing.

QN8035 based Raspberry Pi FM radio receiver

an RF power detecting neighbor

a TI CC1350 neighbor

an experimental SDR platform

AFSK interface for Android smartphones and tablets.

The TX/RX-switch is a tool for signal sensitive or PTT switching for HAM radios incl. pcb schematics.

Yet Another Radio Dongle

RDA5807M based stereo FM radio receiver