Easy Way to make K1 Connector to TRRS
Build an Easy DIY K1 Connector to TRRS Cable for Digirig Mobile, Digirig Lite, and Other Compatible Interfaces Using the Standard Pinouts.
Category: DIY
ESP32 KISS TNC Bluetooth setup for APRSdroid.
The ESP32 KISS TNC is a minimalistic design using the fewest necessary components. An improved version is in development. In this guide, I’ll show you how to connect the ESP32 KISS TNC to APRSdroid via Bluetooth....
ESP32 KISS TNC
There are many KISS TNCs available online, both commercially and as DIY projects. While most DIY options offer high-quality hardware, they often lack one critical component—open-source firmware. Many projects provide only the HEX file...
Blue Dmod “digital mode using Bluetooth Audio”
On market there are lots of options for sound card-based data modems, like Signalink, Digirig and lots of DIY and cheap modems. I haven’t seen any Bluetooth based audio data modem apart from Mobilinkd...
D.I.Y QRP Unun
A basic PCB unun with a BNC connector for QRP operation, ideal for use with a Half-Wave End-Fed (HWEF) or long-wire antenna for HF bands. You can build a 1:1, 4:1, 9:1, or 49:1...
Go Power Box for mobile radio operations
Portable/ mobile power have important role while operating mobile, either it is field day, POTA, SOTA or any other activity. Having a go box power with multiple types of power connections is very helpful....
