Collaborate Disseminate
[Rex Malik] didn’t need an alarm clock. That’s because he had one of two “home computer terminals” next to his bed and, as you can see in the video below, …read more Continue reading Retrotechtacular: The Noisy Home Computer from 1967
Your kid has a toy remote control fire truck. You have an RTL SDR. See where this is going? [Jacob] couldn’t resist tearing into the why and how of the …read more Continue reading Reverse Engineering a (Toy) Fire Engine
Ever tear open a potentiometer? If you haven’t, you can still probably guess what’s inside. A streak of resistive material with some kind of contact that moves across it as …read more Continue reading Faux Potentiometers Use Magnets, No Contacts
Before you decide to click away, thinking we’re talking about some heart rate monitor that connects to a display using WiFi, wait! Pulse-Fi is a system that monitors heart rate …read more Continue reading Heart Rate Monitoring via WiFi
How hard can it be to create your own inductors? Get a wire. Coil it up. Right? Well, the devil is definitely in the details, and [Nick] wants to share …read more Continue reading Tips for Homebrewing Inductors
Using digital techniques has caused a resurgence of interest in VLF — very low frequency — radio. Thanks to software-defined radio, you no longer need huge coils. However, you still …read more Continue reading Optimizing VLF Antennas
If you ever develop an embedded system in a corporate environment, someone will probably tell you that you can only use 80% of the CPU or some other made-up number. …read more Continue reading CPU Utilization Not as Easy as It Sounds
If you are interested in retrocomputers, you might be like us and old enough to remember the old systems and still have some of the books. But what if you …read more Continue reading CP/M Gently
Sometimes the old tricks are the best. [Kevin] learned an old trick about using a ‘scope to sniff RF noise and pays it forward by sharing it in a recent …read more Continue reading The (RF) Sniff Test
What happens when you listen in on Elliot Williams and Al Williams? You get a round up of the best of last week’s Hackaday posts, of course. The topics this …read more Continue reading Hackaday Podcast Episode 335: Beer, Toast, and Pi