Huawei M5 8,4 inch Screen resolution: 1600 x 2383
Setup: Sound:
- vibrate in silent mode: off
Apps & Notification: Batch management: all off
use node.js to run the server
CMD: nodemon server.js
In browser:
or specify the ip-adress of the host computer
Our steppers handle 2A pr. coil max. Our stepper driver handle 2A pr. coil max.
https://www.pololu.com/product/2128
Stepper driver set for VREF 1.6v
Vref = 8 * Imax * Rcs Vref = 8 * 2 * 0.100 Vref = 1.6v
This makes safe use of microstepping.
If only fullstep mode, then one could set Vref for 2v to get more torque.
Motor pins:
1 BLACK A
2 GREEN A
3 RED B
4 BLUE B\
Mor: pin 38 = step, pin 37 = direction Far: pin 36 = step, pin 35 = direction
motor 1:
23 - Direction 1 24 - Step 1
motor 2: 22 - Direction 2 27 - Step 2
https://www.youtube.com/watch?v=0qwrnUeSpYQ
Go to 40:00 in video for explanation
Tie RESET and SLEEP for always on
Backup and restore SD card https://computers.tutsplus.com/articles/how-to-clone-raspberry-pi-sd-cards-using-the-command-line-in-os-x--mac-59911
OSC to rpi control python script
https://www.raspberrypi.org/forums/viewtopic.php?t=176838
rpi BCM pinout https://pinout.xyz/
https://openhomeautomation.net/control-a-relay-from-anywhere-using-the-raspberry-pi
width i firefox: 533px height i firefox: 818px
#tablet firefox browser resolution about:config layout.css.devPixelsPerPx ændres fra -1 til 3
Using firefox instead of chrome and loading plentey of
https://developers.google.com/web/fundamentals/media/fast-playback-with-video-preload
https://community.risingstack.com/redis-node-js-introduction-to-caching/
http://dinbror.dk/blog/how-to-preload-entire-html5-video-before-play-solved/