Collaborate Disseminate
When was the last time you saw a computer actually outlast your weekend trip – and then some? Enter the Evertop, a portable IBM XT emulator powered by an ESP32 …read more Continue reading The Evertop: a Low-Power, Off-Grid Solar Gem
The basics of keyboard design are tried and true at this point, but there are still a few aspects yet unconquered. One of them is making your keyboards wireless. You …read more Continue reading Making Your Wireless Keyboard Truly Low-Power
[Helge Fykse (LA6NCA)] has a type, as they say. At least as far as radios are concerned, he seems to prefer elegant designs that keep the BOM to the minimum …read more Continue reading Altoids Tin Spy Radio Goes Solid State
Low-power radios, often referred to in the amateur radio community as QRP radios, have experienced a resurgence in popularity lately. Blame it on certain parts of the hobby become more …read more Continue reading Off-Grid Radio Also Repairable Off-Grid
[Jacob Beningo] over at Embedded.com recently posted his thoughts on how to do a low-power microcontroller design. On the surface, some of his advice seems a little counter-intuitive. Even he …read more Continue reading Want Lower Power? Add More Cores!
Morse code might seem obsolete but for situations with extremely limited bandwidth it’s often still the best communications option available. The code requires a fair amount of training to use …read more Continue reading Exploring the Early Days of QRP Radio
Much like vinyl records, tube amplifiers are still prized for their perceived sound qualities, even though both technologies have been largely replaced otherwise. The major drawback to designing around vacuum …read more Continue reading Tube Amplifier Uses Low Voltage, Sips Battery
Dash cameras are handy as they provide a video recording of interactions on the road. However, their utility comes from the fact that they are always recording while driving. This …read more Continue reading An Ultra Low Power Dash Cam
Designing devices that can operate in remote environments on battery power is often challenging, especially if the devices need to last a long time between charges or battery swaps. Thankfully …read more Continue reading Low-Power Wi-Fi Includes e-Paper Display
A common complaint among laptop users is that while battery technology has vastly improved over the past decades, a simulltaneous shrink in form factors has meant that a typical laptop …read more Continue reading Low Power Challenge: The PotatoP Runs Lisp For Months Without Recharging