Designing a low-cost, open source ventilator with Arduino

From blog.arduino.cc 2 years ago in Platforms Stores

Desperate times call for desperate measures, and while making your own medical equipment isn’t normally advisable, Johnny Lee’e project explores how to turn a CPAP machine into a ventilator. The idea is that since these machines are basically just blowers controlled by a brushless DC motor, an Arduino Nano equipped...

Articles from Arduino Blog

A wearable, waterproof, wireless human-machine interface

From blog.arduino.cc 2 days ago in Platforms Stores

“Human-machine interface” (HMI) is a general term that describes any physical input or output hardware that people can use to interface with systems (like computers) and vice versa. That very broad definition usually applies to computer input devices like keyboards...

Affordable CAT scan machine built with an Arduino

From blog.arduino.cc 3 days ago in Platforms Stores

A CT (computed tomography), or CAT (computed axial tomography), scan is a type of medical imaging technique in which multiple X-ray “slices” come together to form a pseudo-3D model. CT scanners are the kinds of medical equipment that are so...

Building a DIY laser modem

From blog.arduino.cc 4 days ago in Platforms Stores

All digital communication ultimately comes down to transmitting ones and zeroes, but there are many ways to achieve that. One can encode that binary data as modulation in a radio signal or simply pulse electricity through a wire. But one...

This high-precision AC meter handles inductive loads

From blog.arduino.cc 6 days ago in Platforms Stores

AC (alternating current) meters are useful tools for measuring power draw. One might use an AC meter to monitor the power consumption of their devices and appliances with the goal of lowering their energy bill. Makers in particular can benefit...

Over-engineered robotic scalp scratcher knows all the moves

From blog.arduino.cc 1 week ago in Platforms Stores

Those cheap wire-arm head massagers are great at giving your scalp a nice, relaxing rub. But they’re handheld implements that force the user to either manipulate the massager themselves or talk a partner into performing the task. David McDaid decided...

LEGO-firing turret targets tender tootsies

From blog.arduino.cc 1 week ago in Platforms Stores

Stepping on LEGO bricks is a meme for a reason: it really @#$%&! hurts. LEGO brick design is ingenious, but the engineers did not consider the ramifications of their minimalist construction system. We’ve seen people do crazy things for Internet...

Reducing automotive fuel consumption with an Arduino

From blog.arduino.cc 1 week ago in Platforms Stores

Every car sold in the last few decades is equipped with an engine control unit, or ECU for short. Its job is to control nearly every aspect about the vehicle’s performance by reading various sensors and acting upon those inputs...

This air cleaner activates when it hears shop tools running

From blog.arduino.cc 1 week ago in Platforms Stores

Air cleaners are indispensable appliances in shop environments. Fine sawdust in the air can, for example, cause a variety of respiratory ailments in woodworkers. Even if the tool itself has a vacuum collection system, dust will fill the air. But...

Adding a battery gauge to a Citroën C-Zero electric car

From blog.arduino.cc 1 week ago in Platforms Stores

The Citroën C-Zero is an electric city card sold in the European market. It is a rebadged Mitsubishi i-MiEV, which is based on the Mitsubishi i kei car platform. Kei cars, in Japan, are a special class that receive government...

Reading typewriter key presses with an Arduino

From blog.arduino.cc 1 week ago in Platforms Stores

There was a period in the late ‘70s and into the ‘80s when typewriter manufacturers tried to keep up with the tide of the digital age. Personal computers were hitting prices that middle-class families could justify and even the most...