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Raspberry Pi Sense HAT

Product Code:MMP-0249

Ex.Tax £24.99

Availability: 43

Raspberry Pi Sense HAT
Raspberry Pi Sense HAT
Raspberry Pi Sense HAT
Raspberry Pi Sense HAT
Raspberry Pi Sense HAT
Questions5 Answers5 | Expand All
Can it be attached via a flat cable?
I'm afraid the heat from the Pi will influence at least the temperature sensors. Will it work if I connect this HAT using a flat cable? If so, how long could it be?
Will this work with a 3A+ Pi?
It's not listed on your description page as compatible, but this may be a legacy page and the 3A+ is to new perhaps.
Neil Chilvers
  • Yes this is compatible with the RPi3 A+

    I will update the compatibility list :)

    ModMyPi LTD
    Was this answer helpful? 0
Does it come with standoffs included?
Or do I need/should I purchase them separately and if so what size is best?
Neil Chilvers
  • Yes, this comes with stand offs and a header
    ModMyPi LTD
    Was this answer helpful? 0
Sense HAT connection
As a total newbie to this, do I need anything (leads etc) to connect the HAT to the board. Would I need a case?
  • Nothing else is required to connect the Sense HAT to the Pi. You simply plug it onto the Pi using the supplied 40 pin header. You dont NEED a case as such, however it's always best to as it will help keep it safe! 
    ModMyPi LTD
    Was this answer helpful? 0
Suitable Case for this?
What case/enclosure would be suitable for using this with the latest model b?
Peter Bradbury
  • Depending on how much access you want to the board itself, this will fit in a variety of cases, either fully enclosed or on show. Some examples below:

    HighPi Case
    Modular Case
    Official Case
    HAT Case
    Was this answer helpful? 0
Showing 1 to 5 of 5 (1 pages)

The Sense HAT is an add-on board for Raspberry Pi, made especially for the Astro Pi mission! It’s going to the International Space Station in December 2015 – and is now available to buy from ModMyPi!

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

  • 3D Gyroscope
  • Accelerometer (Yaw, Pitch & Roll)
  • Magnetometer
  • Temperature
  • Barometric Pressure
  • Humidity

The Raspberry Pi Foundation have also created a Python library providing easy access to everything on the board.

Sensing Elements Technical Specification:

Pressure / Temperature (ST Micro LPS25H)
– 24-bit pressure measurement resolution (260hPa to 1260hPa)
– 16-bit temperature measurement resolution (0-125°C)

Humidity / Temperature (ST Micro HTS221)
– 16-bit humidity measurement resolution (0-100% relative humidity)
– 16-bit temperature measurement resolution (0-60°C)

Acceleration/Gyroscope/Magnetic field (ST Micro LSM9DS1)
– 9 degrees of freedom (X, Y, Z independent axes for all sensors)
– ±16 g acceleration measurement range
– ±16 gauss magnetometer measurement range
– ±2000 dps (degrees per second) gyroscope measurement range
Each of these measurement channels has 16 bits of resolution.

All of these sensors have features for periodic sampling of sensor values, complete with internal FIFO storage. The LPS25H and HTS221 have maximum sample rates of 25 per second, the LSM9DS1 has a maximum sample rate of 952Hz

LED Matrix
The LED matrix is driven by a combination of a constant-current LED driver and an Atmel ATTiny88 running a custom firmware that delivers an 8×8 display with 15-bit resolution RGB colour. If you want to get into the gory details, the AVR firmware is available on Github.

The Atmel is responsible for sampling the joystick. We didn’t have enough pins left on the Atmel to dedicate the five that we needed to sample the joystick axes independently, so they’ve been spliced into the LED matrix row selects. The joystick gets updated at approximately 80Hz, which is the scan rate of the LED matrix.

All of the sensors (and the base firmware for the Atmel) are accessible from the Pi over I2C. As a fun bonus mode, the SPI peripheral on the Atmel has been hooked up to the Pi’s SPI interface – you can reprogram your HAT in the field! We use this method to get the firmware into the Atmel during production test – and we leave it unprotected so you can substitute the stock firmware to get it to do whatever you want. Seriously. First person to turn this sensor HAT into a quadcopter controller HAT wins a cookie from me.

Getting Started

Connect your Sense HAT to the Raspberry Pi via the 40 GPIO Pins.You will then need to install the software:

Open up a terminal and run the following command:

wget -O - --no-check-certificate | bash

When the install has finished you will need to reboot your Raspberry Pi!

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