Stream Deck Radio Controller Built With Cheap Yellow Display

Stream decks are pretty useful in all kinds of contexts, but commercial models can feel a bit pricy for what is effectively a bunch of buttons. [WhiskeyTangoHotel] has whipped up one of their own o…

Hackaday
Building A $50 SDR With 20 MHz Bandwidth

Although the RTL-SDR is cheap, accessible, and capable enough for many projects, it does have some important limitations. In particular, its bandwidth is limited to about 3.2 MHz, and the price of …

Hackaday
Analog Video From An 8-Bit Microcontroller

Although the CRT has largely disappeared from our everyday lives, there was a decades-long timeframe when this was effectively the only display available. It’s an analog display for an analog…

Hackaday
Open Source Radar Has Up To 20 KM Range

Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very expensive…

Hackaday
A Radio Power Amplifier For Not A Lot

When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna. This is usually referred to as the power amplifier, or PA. Ho…

Hackaday