There are many ways to judge time, from using analog dial to 7-segment display. Hackers tend to like binary watches. If only because of their connection with digital machines, these digital machines…
Category: Tech Sharing
Tech Sharing
Remote thermocouple sensor sips battery power supply
Sometimes you need to know the temperature of something from a distance. It may be a smoker, a barbecue, or even a rabbit nest. This project from [the cautious mayor] may be…
The strange and complex clock aroused the curiosity of the builder
Have you observed another hacker’s project and said to yourself, “I must have one!”? If so, you get on well with hacker [garberpark], an unusual chain clock manufacturer, as shown in the…
How to become a Lego submarine
Submarine must be a complex and vital machine for safety, but the principle it relies on is quite simple. Buoyancy is variable. By pumping water into and out of the water tank,…
The beautiful inductor is not so lost now
With the gradual mastery of permeability by ferrite technology, the size of inductors has decreased to a level that is now quite difficult to describe. There was a time when inductors could…
Linux business cards you can build
This is a sign of the times, [dmitry] one of the standards for designing new Linux on business cards is to use parts that can be found during the current component shortage….
Bring some rules to SDR transmitter
The popularity of software radio (SDR) technology is a heaven sent opportunity for RF enthusiasts. SDR based receivers and transmitters have become so cheap that now you may have one or two…
PI Pico provides practical Playstation pointing
We don’t know why the original Playstation needed a mouse (although we’re sure there’s no shortage of people eager to jump into the comments and tell us), but if you want to…
Why should you completely introduce your AES password
Software developers are usually told “never write your own password”. There must be enough cases of actual damage caused by DIY encryption routines in the past few decades. This is also the…
Steam track and fan take wonderful photos in DIY wind tunnel
Everyone wants a miniature wind tunnel to check the aerodynamics of scale model cars, drones, or other small objects? Then look at dannyesp’s 3D printing DIY wind tunnel (video, embedded below). Don’t…