Saturday, May 16, 2020

Raspberry Pi sense hat board


Board contains an 8x8 array of tri color leds.

Also the following sensors and utility:

ST Micro inav unit
   contains orientation and compas sensor

ST micro pressure / temp / humidity sensor

Joystick

When installed on a raspberry pi 4, has to have a config setting changed to force on an HDMI port.  Don't know if it's because there are two of these on the board, or if it's because of a gpio / programming conflict, but when run headless, the board won't boot w/o that change.

http://jim-st.blogspot.com/search/label/raspbian%20wifi%20headless

Solution was to edit the /boot/config.txt.
Remove the "#" in front of the line "hdmi_force_hotplug=1" and now the Raspberry Pi is booting attached with the SenseHAT.


https://www.raspberrypi.org/forums/viewtopic.php?t=243949

https://github.com/astro-pi/python-sense-hat/issues/96

Github repository for board
https://github.com/astro-pi/python-sense-hat

Sense-of-life, small John Conway life for sense hat
https://github.com/imrehg/senseoflife

Python lib documentation
https://pythonhosted.org/sense-hat/

Example page
https://www.deviceplus.com/raspberry-pi/the-sense-hat-add-on-board-for-raspberry-pi-6-types-of-sensors/


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