via HACKADAY: Tiny Transceiver Gets It Done with One Transistor
When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it…
Category: Hackaday
via HACKADAY: Going Ham Mobile on a Bicycle
It’s said that “Golf is a good walk spoiled,” so is attaching an amateur radio to…
via HACKADAY: Solar Dynamics Observatory: Our Solar Early Warning System
Ever since the beginning of the Space Age, the inner planets and the Earth-Moon system…
via HACKADAY: PCB Design Review: HAB Tracker With ATMega328P
Welcome to the Design Review Central! sends us their board, and it’s a HAB…
via HACKADAY: Meccano-based Hellschreiber Machine
has pulled off a true feat of Meccano engineering: building a Meccano Hellschreiber machine. The…
via HACKADAY: A Trip Down Electronic Toy Memory Lane
Like many of us, had a lot of electronic toys growing up. In a…
via HACKADAY: So Much Going On In So Few Components: Dissecting A Microwave Radar Module
In the days before integrated circuits became ubiquitous, providing advanced functionality in a single package,…
via HACKADAY: Cavity Filters, The Black Art You Have A Chance Of Pursuing
A tuned circuit formed by a capacitor and an inductor is a familiar enough circuit,…
via HACKADAY: VHF/UHF Antennas, the Bad, the Ugly, and the Even Worse
When you buy a cheap ham radio handy-talkie, you usually get a little “rubber…
via HACKADAY: Hacking a Quansheng Handheld To Transmit Digital Modes
Have you ever thought about getting into digital modes on the ham bands? As it…
via HACKADAY: Decoding Meshtastic with GNU Radio
Meshtastic is a way to build mesh networks using LoRa that is independent of cell…
via HACKADAY: UV-K5 All-Band Mod, Part 2: Easier Install, Better Audio, and Two Antennas
OK, it’s official: the Quansheng UV-K5 is the king of hackable ham radios — especially…
via HACKADAY: Learning Morse Code with a DIY Trainer
Morse code, often referred to as continuous wave (CW) in radio circles, has been gradually…
via HACKADAY: A Super-Simple Standalone WSPR Beacon
We’ve said it before and we’ll say it again: being able to build your own…
via HACKADAY: Old Knobs with a Cast of Thousands
You have an old radio — in the case of , a Stromberg…
via HACKADAY: The Pi Pico, An SDR Receiver Front End
Making a software defined radio (SDR) receiver is a relatively straightforward process, given the right…
via HACKADAY: Ham Busts the Myth of Ground
Everyone who deals with electronics knows that grounding is important. Your house has a copper…
via HACKADAY: Building and Testing a 1912-style Radio
Doing electronics in the 1910s was rather rough, with the radio probably the pinnacle of…
via HACKADAY: The 6809 Lives On in an FPGA
At one point, the Motorola 6809 seemed like a great CPU. At the time it…
via HACKADAY: Printed Case Lets Pair of RTL-SDRs Go Mobile
We’ll admit to not fully knowing what has planned for the pair of…
via HACKADAY: How Do You Fill The 1N34 Void?
The germanium point contact diode, and almost every semiconductor device using germanium, is now obsolete….
via HACKADAY: The Long Road Towards Reverse Engineering The ESP32 Wi-Fi Driver
Although much of the software that runs on the ESP32 microcontroller is open source, the…
via HACKADAY: Orange FM Brings Radio to the GameBoy
We’ve all been there. You left your Walkman at home and only have your trusty…
via HACKADAY: Design Review: USB-C PD Input For Yaesu FRG7700
Today is another board from a friend, , who wants to convert a Yaesu FRG7700 radio to…
via HACKADAY: Grid Leak Radio Draws the Waves
found a schematic for a grid leak radio online and decided to…