80 lines
2.2 KiB
Markdown
80 lines
2.2 KiB
Markdown
|
<!--
|
|||
|
|
---
|
|||
|
|
name: Sense HAT
|
|||
|
|
class: board
|
|||
|
|
type: led,sensor
|
|||
|
|
formfactor: HAT
|
|||
|
|
manufacturer: Raspberry Pi
|
|||
|
|
description: Add-on board that includes an 8×8 RGB LED matrix, 5-button joystick as well as IMU and environmental sensors
|
|||
|
|
url: https://www.raspberrypi.org/products/sense-hat/
|
|||
|
|
github: https://github.com/RPi-Distro/python-sense-hat
|
|||
|
|
schematic: https://www.raspberrypi.org/documentation/hardware/sense-hat/images/Sense-HAT-V1_0.pdf
|
|||
|
|
buy: https://thepihut.com/products/raspberry-pi-sense-hat-astro-pi
|
|||
|
|
image: 'sense-hat.png'
|
|||
|
|
pincount: 40
|
|||
|
|
eeprom: setup
|
|||
|
|
power:
|
|||
|
|
'1':
|
|||
|
|
'2':
|
|||
|
|
ground:
|
|||
|
|
'6':
|
|||
|
|
'9':
|
|||
|
|
'14':
|
|||
|
|
'20':
|
|||
|
|
'25':
|
|||
|
|
'30':
|
|||
|
|
'34':
|
|||
|
|
'39':
|
|||
|
|
pin:
|
|||
|
|
'3':
|
|||
|
|
mode: i2c
|
|||
|
|
'5':
|
|||
|
|
mode: i2c
|
|||
|
|
'16':
|
|||
|
|
name: IMU Interrupt
|
|||
|
|
mode: output
|
|||
|
|
'18':
|
|||
|
|
name: IMU Interrupt
|
|||
|
|
mode: output
|
|||
|
|
'22':
|
|||
|
|
name: Atmel Prog Reset
|
|||
|
|
mode: output
|
|||
|
|
active: high
|
|||
|
|
'24':
|
|||
|
|
name: Atmel Chip Select
|
|||
|
|
mode: chipselect
|
|||
|
|
active: high
|
|||
|
|
i2c:
|
|||
|
|
'0x5c':
|
|||
|
|
name: Pressure/Temp
|
|||
|
|
device: lps25h
|
|||
|
|
'0x5f':
|
|||
|
|
name: Humidity/Temp
|
|||
|
|
device: hts221
|
|||
|
|
'0x6a':
|
|||
|
|
name: Accelerometer
|
|||
|
|
device: lsm9ds1
|
|||
|
|
'0x1c':
|
|||
|
|
name: Magnetometer
|
|||
|
|
device: lsm9ds1
|
|||
|
|
'0x46':
|
|||
|
|
name: LED Matrix
|
|||
|
|
device: led2472g
|
|||
|
|
install:
|
|||
|
|
'devices':
|
|||
|
|
- 'i2c'
|
|||
|
|
-->
|
|||
|
|
# Sense HAT
|
|||
|
|
|
|||
|
|
The Sense HAT is an add-on board for Raspberry Pi comprising of a 8×8 RGB LED matrix, a five-button joystick and the following sensors: Gyroscope, Accelerometer, Magnetometer, Temperature, Barometric pressure and Humidity.
|
|||
|
|
|
|||
|
|
The shift register driving the LED Matrix is a LED2472G connected via an Atmel ATTINY88 communicating via i2c at address 0x46 with the Pi. The Multi-Directional SKRHABE010 Switch/Joystick is similarly controlled.
|
|||
|
|
|
|||
|
|
The sensors themselves also operate over the i2c bus:
|
|||
|
|
|
|||
|
|
The IMU (Accelerometer and Magnetometer) through a LSM9DS1 found at i2c address 0x1c(0x1e) and 0x6a(0x6b), with Interrupts on the ATTINY88.
|
|||
|
|
|
|||
|
|
Environmental sensors are represented by a LPS25H Pressure/Temperature sensor at address 0x5c and by a HTS221 Humidity/Temperature sensor at 0x5f on the i2c bus.
|
|||
|
|
|
|||
|
|
In addition, the Atmel chip can be reprogrammed via the SPI interface. The pinout herein only maps the reset and chip select - adding a display or other SPI device alongside the Sense HAT should be possible with a few precautions.
|