Raspberry Pi is a low-cost, credit card-sized computer that plugs into a computer monitor or TV and uses a standard keyboard and mouse. This is a small, capable device that allows people of all ages to explore calculations and learn how to program in languages such as Scratch and Python. It can do everything desktop computer needs, from browsing the Internet and playing HD video to making spreadsheets, word processing and playing games.

More importantly, Raspberry Pi has the ability to interact with the outside world and has been used by various digital maker projects, ranging from music machines and parent probes to weather stations and texting infrared cameras to birdhouses. We hope to see Raspberry Pi being used by kids around the world to learn how to program and understand how computers work.



What is sense Hat?

The Sense HAT, an add-on to the Raspberry Pi, was designed for Astro Pi’s mission – it was launched to the ISS in December 2015 and is now available for purchase. The Sense HAT, which is a fundamental part of the Astro Pi mission, allows your Raspberry Pi to sense the world around it.

Buy Sense HAT For you Raspberry Pi

The Sense HAT features an 8 × 8 RGB LED matrix, a five-button joystick and includes the following sensors:

Gyro

Accelerometer

Magnetometer

temperature

Pressure

humidity

So these are the sensors which are used in this single module called sense hat, So let discuss these sensors in details

Gyro measurement direction Sensor

So this sensor Purpose is allowing three degrees of movement.

These are often called:

Pitch (up and down like on a plane) Close and landing

Yaw (turn left and right to drive a car)

Rolling (imagine roller fighter)

Astro Pi board has a very tiny gyroscope

Built in. It gives pitch, scroll and

Yawing between 0 and 360 degrees.

Accelerometer Sensor

At rest, the accelerometer will measure the direction and Gravity, but in the direction of movement, it measures to accelerate the power. It is 3 Dimensions. So this Sensor same sensor which is we are using in smartphones.

Magnetometer

A magnetometer is used to measure the strength and direction of a magnetic field. Most of the time they are familiarized to measuring the Earth’s magnetic field in order to find the way to the north. If your phone or tablet has one, it is most likely to use a magnetometer to find the North, so most of the smartphones have a magnetometer and they also work like the same.

Temperature sensor

Temperature sensors are used to measure heat and temperature cold. It’s like a thermometer, you will Put your temperature in your mouth. In addition to the Astro Pi’s built-in electronics and report the temperature as a number Celsius.

Barometric Pressure Sensor

The Astro Pi board has an air pressure sensor built in and will report air pressure to you using either Pascals or Millibars law. And it can be used for measuring the pressure in the space.so this is also a very useful sensor.

Humidity sensor

Humidity sensor to measure the amount Water vapors in the air, so there are many ways to measure the vapors. But the most common is Relative humidity. One of the main properties of air is that the hotter it is the more water vapors can be suspended within it. So relative humidity is a ratio, usually a percentage, between the actual amount of suspended water vapor to the maximum amount that could suspended for the current temperature

Visible light and Infrared Cameras

The two Astro Pi units on the ISS each have a different camera module: Ed has a standard

Camera and Izzy have an infrared camera (or NoIr camera). These are 5 megapixel cameras that offer high quality still images and support for a variety of video recording modes – just as found in normal cell phones (though Izzy’s cameras have their usual infrared filter removed).

The infrared camera is equipped with a special blue filter that can take photos or videos of green plant chlorophyll production levels.

You can learn more about the key features and functions of the Raspberry Pi camera module here. Please note that Astro P uses camera module V1 on the ISS.

Note: The team involved in Mission Space Lab (topic B – Life on Earth) should consider that the infrared camera on the Astro Pi Izzy will be equipped with a blue filter. Blue filter datasheet is available here

Joystick and Buttons

A standard direction pad, like those found on games consoles, for up, down, left, right and centre. So that these are pretty same buttons use in Raspberry Pi Sense HAT.

What is Astro Pi and How it is useful in space?

The ISS has two specially crafted Raspberry pi computers Astro P is. There they run code written by children and teens. Each Astro Pi has a webcam, an LED display, buttons and a joystick. They also have a range of environmental sensors: gyroscopes, magnetometers, accelerometers, and sensors that measure humidity, pressure and temperature. Also we can use this module in many projects.

So in every year, we challenge students over the age of 19, writing code on Astro Pis for astronauts from outside Europe to Europe. Our Astro Pi program is designed to inspire young people to develop a lasting interest in coding, space science and STEM subjects and occupations.

So Yeah with Astro Pi we can run our code in space

Please Visit astro-pi.org to find current and upcoming missions. You can also find the Astro Pi Challenge that you won a few years ago and lots of useful resources to get you started with Astro Pi.

Astro Pi is a project of the Raspberry Pi Foundation in cooperation with the European Space Agency.

ANNOUNCING THE 2017-18 EUROPEAN ASTRO PI CHALLENGE!

So yeah there is a good news is Astro Pi is back! Today They are excited to announce the 2017-18 European Astro Pi challenge in partnership with the European Space Agency (ESA). They are searching for the next generation of space scientists.

So there are two mission in which This year’s challenge includes a brand-new non-competitive mission, in which participants are guaranteed to have their code run on the ISS for 30 seconds!

For more information, just visit the official website of raspberry pi organization here

ANNOUNCING THE 2017-18 EUROPEAN ASTRO PI CHALLENGE!

If you have any suggestion then please write below in this comment keep subscribe my website, I will also write on how to write code for raspberry pi sense Hat in very next article stay tuned.

Happy Learning.

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