A Direct Conversion Receiver Anyone Can Build
<img width="800" height="450" src="![image](https://hackaday.com/wp-content/uploads/2025/01/soldersmoke-rx-featured.jpg?w=800")
alt=""/>A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. 
alt=""/>A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. Hackaday
A Direct Conversion Receiver Anyone Can Build
A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver f...
Hackaday
A Direct Conversion Receiver Anyone Can Build
A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver f...
![image](https://hackaday.com/wp-content/uploads/2022/03/RaspberryPiSD.jpg?w=800")
alt=""/>Raspberry Pi’s new microcontroller, the RP2350, has a small section of memory that is meant for storing secrets. It’s protected by anti-glitching and other countermeasures, and the Raspberries wanted to 
![image](https://hackaday.com/wp-content/uploads/2025/01/cat6_feedline.jpeg?w=800")
alt=""/>These days, anything with copper in it is expensive. If you doubt that, a walk into any Home Depot electrical department, where the wire is locked up tighter than Fort 
![image](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800")
alt=""/>This week, Jonathan Bennett and Aaron Newcomb chat with Simon Phipps and Stefano Maffulli about Open Source AI. Why did we need a new definition? Has it been controversial? And 
![image](https://hackaday.com/wp-content/uploads/2025/01/gameboy-dash-1200.jpg?w=800")
alt="Game boy with custom cartridge mounted on car dashboard"/>From a practical standpoint, [John] may be correct that his recent creation is the “world’s worst digital dash”, but we’re still oddly enamored with the idea of using a Nintendo 
![image](https://hackaday.com/wp-content/uploads/2024/10/Amateur-Radio.jpg?w=800")
alt=""/>Full disclosure. Ham radio isn’t for everyone and there are many different facets to it. What appeals to one person might bore another to death. One area of ham radio 
![image](https://hackaday.com/wp-content/uploads/2025/01/DOOM-pdf-featured.png?w=591")
alt=""/>DOOM is a classic game to implement on a variety of platforms, but doompdf by [ading2210] is one we didn’t see coming. It runs a bit slow and controls are 
![image](https://hackaday.com/wp-content/uploads/2025/01/apollo_dsky_unit_on_desk_curiousmarc_youtube.jpg?w=800")
alt=""/>The Display/Keyboard unit – DSKY for short – is the primary way that Apollo-era astronauts communicated with the onboard computers. Not all DSKYs ended up in space, however, with the 
![image](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800")
alt="Hackaday Links Column Banner"/>Good news this week from the Sun’s far side as the Parker Solar Probe checked in after its speedrun through our star’s corona. Parker became the fastest human-made object ever 
![image](https://hackaday.com/wp-content/uploads/2024/12/ipv6.png?w=800")
alt=""/>Recently, there was a Mastodon post from [nixCraft] challenging people to drop their NAT routers for the month of November and use only IPv6. What would it be like to 
![image](https://hackaday.com/wp-content/uploads/2015/04/biomedical.jpg?w=800")
alt=""/>Ever get home, tired after work, sit down on a couch, and spend an hour or two sitting down without even managing to change into your home clothes? It’s a 
![image](https://hackaday.com/wp-content/uploads/2024/11/maxresdefault-2.jpg?w=800")
alt=""/>Collecting retrocomputers is fun, especially when you find fully-functional examples that you can plug in, switch on, and start playing with. Meanwhile, others prefer to find the damaged examples and 
![image](https://hackaday.com/wp-content/uploads/2024/09/winamp-featured.jpg?w=800")
alt=""/>If you picked today in your hackerspace’s sweepstake on when Winamp would pull their code repository, congratulations! You’re a winner! The source for the Windows version of the venerable music 
![image](https://hackaday.com/wp-content/uploads/2024/09/hadimg_m365_battcap_feat.png?w=800")
alt=""/>Electric scooters have long been a hacker’s friend, Xiaomi ones in particular – starting with M365, the Xiaomi scooter family has expanded a fair bit. They do have a weak 
![image](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-30-132300-featured.png?w=800")
alt=""/>YouTuber [MechPanda] has recreated a DIY STM hack we covered about ten years ago, updating it to be primarily 3D-printed, using modern electronics, making it much more accessible to many 
![image](https://hackaday.com/wp-content/uploads/2021/01/mirror-tux-featured.jpg?w=800")
alt=""/>Although Linux runs almost every supercomputer, most of the web, the majority of smart phones, and a few writers’ ancient Macbooks, there’s one major weak point in the Linux world 
![image](https://hackaday.com/wp-content/uploads/2024/09/batch-craze-800.jpeg?w=800")
alt="A small handheld word game called Batch Craze, where one player tries to get another to guess the word on the screen."/>So there’s this commercial electronic game out there called Catch Phrase, which, as the game’s own catch phrase explains, is the game that’s played one word at a time. See, 
![image](https://hackaday.com/wp-content/uploads/2024/08/photon_entanglement_experimental_setup_Craddock_et_al_prx_quantum_2024.jpg?w=800"/>Entangled)
photons are an ideal choice for large-scale networks employing quantum encryption or similar, as photons can use fiber-optical cables to transmit them. One issue with using existing commercial fiber-optic 
![image](https://hackaday.com/wp-content/uploads/2024/08/DIY-Sim-Racing-Button-Box-_-Cheap-and-Simple-0-8-screenshot.png?w=800")
alt=""/>Sim racing is a lot more complex than playing Need For Speed 3: Hot Pursuit. You need buttons for all kinds of stuff, from headlights to brake balance to traction control. If 
![image](https://hackaday.com/wp-content/uploads/2024/08/zt.png?w=800")
alt=""/>We live in a time where there’s virtually no excuse not to have some kind of oscilloscope. As [IMSAI Guy] shows in a recent video, for what you might expect 