The fastest ground vehicle on earth is not driven by wheels, but by aircraft jet engines. At the world record speed, they run on the edge of an aerodynamic razor between the…
Category: Tech Sharing
Tech Sharing
Small combat robots play their part in antweight Division
Two robots enter and one robot leaves! Battle robots are an excellent display of design and skills, but mechanical competitors need not be large, heavy or expensive. There is a counterweight department…
Angled drill guides help you drill these tricky holes
If you have ever tried to drill a hole at an angle with an electric drill, you may have drilled some very shocking holes. To do this, you really need some mechanical…
Back in the future, the prop can judge when it reaches 88 mph
Obviously, the most representative fictional hardware in the film back to the future is doc Brown’s DeLorean dmc-12 time machine. However, we must agree with [Jason Altice] of codemakesitgo that the second…
Retrofitting camping trailers with greater power
Pulling a trailer behind your bike has a feeling of freedom and exploration. However, the reality is that pulling a big, heavy box behind a bicycle can be incredibly exhausting. So [drew]…
DIY game mouse defeats competitors with lower cost
We saw a lot of custom keyboards on hackday. Seriously, we can’t count. But is this the custom of mice? These questions are much more elusive. However, we will not be surprised…
The construction of the air cushion board go kart is pleasing to the eye
In the past few years, hover board has been an indispensable material for hackers to make their own vehicles. [Mahmut demir] shows how he built a go kart driven by an air…
Tactile baby monitor attracts the attention of the wearer
Anyone who has experienced an alarm clock in the morning will tell you that even a loud and harsh sound does not necessarily wake up from a deep sleep. Similarly, hearing a…
Ruthless environmental monitoring system
We saw a large number of environmental monitoring devices – wireless sensors throughout the house on hackday. All these sensors upload temperature and humidity data to a central server hidden in a…
The student competition badge is engraved with custom silicon
[Daniel valuch] shared with us an interesting and record breaking story of conference badges (Slovak, Translated). He is one of the organizers of the “Zenit in Electronics” activity, which is the annual…