If you’ve ever built a crystal radio, there’s something magical about being able to pull voices and music from far...
Makers
In its heyday, the experience offered by the Heath Company was second to none. Every step of the way, from...
Cheap 433 MHz wireless switches are a tempting way to enter the world of home automation, but without dedicated hardware,...
Today’s ham radio gear often has a facility for remote control, but they most often talk to a computer, not...
If you look at the computer in front of you, it will have an array of input devices. A keyboard...
Most of us will have a hazy idea of how radar works to detect aircraft by listening for reflected radio...
Regular readers will know that here at Hackaday we have a penchant for poking fun at the more silly end...
A dipole antenna is easy, right? Two wires, each a quarter wavelength long, emanate from a coax or other feedline....
For those starting to wade into radio as a hobby, one of the first real technical challenges is understanding trunked...
Batteries were once heavy, awkward things, delivering only a limp amount of current for their size and weight. Thankfully, over...
We are used to seeing shots from TV news helicopters every day, they are part of the backdrop to life...
Perhaps the simplest radio one can build is the crystal radio. Using a diode as a detector, the design generally...
If you’ve been on the RTL-SDR forums lately you may have seen that a lot of work has been going...
For most people, adding WiFi to a project means grabbing something like an ESP8266 or an ESP32. But if you...
