Digimode PC to TRX galvanic isolated Interface

This interface is galvanic isolation of the transceiver from PC computer. Audio input and output paths are separated by transformers; optocouplers serve to isolate the digital paths, PTT and CW KEY. It was built for Icom IC-718 but can be used for any other radio. Interface support PTT keying over RS232 RTS (pin 7) and…

Palstar BT1500A Antenna Tuner

QRO BT-1500a Balanced antenna tuner 1500-watts. The Palstar BT1500A is built for exactly one reason – to tune balanced antennas best possible. There is no trade-off with coax fed antennas nor with unbalanced feeds. The Palstar BT1500A with two roller inductors on one shaft and a variable capacitor with two sections is designed to be…

Bicycle Wheel Display System

The Monkey Light Pro creates stunning images and animations within a bicycle wheel. Once you’re rolling the display fills the bike wheel and is visible from both sides. The Monkey Light Pro is waterproof and durable, and is designed for use on city streets. Crank your bike to eleven. The Monkey Light Pro was successfully…

HAL1200 and HAL600 Atlantic – HF Linear Amplifier

Photo by GB di Bonini Giordano, ITA HAL1200 Atlantic – HF Linear Amplifier Photo by GB di Bonini Giordano, ITA Photo by GB di Bonini Giordano, ITA Specifications : Frequency : 1.8 ~ 54 MHz, all Amateur Bands including WARC Automatic Band Change: only PTT/TXGND Signal, or with dedicated connection for the most common Transceivers:…

World’s Cheapest Noise Canceling Headsets

When I’m in the shop I usually like jamming to my music but the tunes don’t sound good over the buzz of saws, routers and vacuums. I do what I can to keep the noise down for my neighbors so turning the volume up to eleven is out of the question. Besides being rude to…