docs: Update timer tutorial to reflect new behaviour of timer.
docs: Update timer tutorial to reflect new behaviour of timer.

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/micropython,adafruit/micropython,alex-robbins/micropython,firstval/micropython,galenhz/micropython,stonegithubs/micropython,dinau/micropython,emfcamp/micropython,xhat/micropython,lowRISC/micropython,trezor/micropython,firstval/micropython,aethaniel/micropython,selste/micropython,ChuckM/micropython,pramasoul/micropython,galenhz/micropython,mhoffma/micropython,mgyenik/micropython,neilh10/micropython,matthewelse/micropython,cwyark/micropython,HenrikSolver/micropython,puuu/micropython,mianos/micropython,henriknelson/micropython,neilh10/micropython,dxxb/micropython,kerneltask/micropython,xyb/micropython,jlillest/micropython,adafruit/micropython,chrisdearman/micropython,stonegithubs/micropython,bvernoux/micropython,omtinez/micropython,Timmenem/micropython,ruffy91/micropython,noahchense/micropython,slzatz/micropython,heisewangluo/micropython,Peetz0r/micropython-esp32,stonegithubs/micropython,ganshun666/micropython,xhat/micropython,aethaniel/micropython,orionrobots/micropython,ernesto-g/micropython,micropython/micropython-esp32,dxxb/micropython,noahwilliamsson/micropython,torwag/micropython,bvernoux/micropython,alex-march/micropython,galenhz/micropython,ganshun666/micropython,MrSurly/micropython,warner83/micropython,selste/micropython,ericsnowcurrently/micropython,vitiral/micropython,tdautc19841202/micropython,dhylands/micropython,EcmaXp/micropython,jimkmc/micropython,mhoffma/micropython,warner83/micropython,SungEun-Steve-Kim/test-mp,ryannathans/micropython,oopy/micropython,mianos/micropython,jmarcelino/pycom-micropython,MrSurly/micropython,danicampora/micropython,MrSurly/micropython,pozetroninc/micropython,adafruit/micropython,hiway/micropython,toolmacher/micropython,firstval/micropython,cwyark/micropython,Peetz0r/micropython-esp32,kostyll/micropython,jimkmc/micropython,praemdonck/micropython,swegener/micropython,chrisdearman/micropython,aethaniel/micropython,infinnovation/micropython,rubencabrera/micropython,noahchense/micropython,dhylands/micropython,heisewangluo/micropython,deshipu/micropython,toolmacher/micropython,puuu/micropython,lowRISC/micropython,ahotam/micropython,blmorris/micropython,xuxiaoxin/micropython,praemdonck/micropython,tuc-osg/micropython,Timmenem/micropython,dhylands/micropython,infinnovation/micropython,vriera/micropython,oopy/micropython,ChuckM/micropython,adafruit/micropython,ahotam/micropython,dmazzella/micropython,slzatz/micropython,ahotam/micropython,alex-robbins/micropython,supergis/micropython,pfalcon/micropython,mhoffma/micropython,ahotam/micropython,suda/micropython,blazewicz/micropython,paul-xxx/micropython,redbear/micropython,oopy/micropython,alex-march/micropython,ChuckM/micropython,turbinenreiter/micropython,Timmenem/micropython,ryannathans/micropython,suda/micropython,ruffy91/micropython,tdautc19841202/micropython,omtinez/micropython,MrSurly/micropython-esp32,MrSurly/micropython-esp32,chrisdearman/micropython,drrk/micropython,jmarcelino/pycom-micropython,noahchense/micropython,kerneltask/micropython,mgyenik/micropython,vitiral/micropython,martinribelotta/micropython,matthewelse/micropython,SungEun-Steve-Kim/test-mp,bvernoux/micropython,cnoviello/micropython,TDAbboud/micropython,neilh10/micropython,ceramos/micropython,dxxb/micropython,infinnovation/micropython,hiway/micropython,mpalomer/micropython,adamkh/micropython,blmorris/micropython,skybird6672/micropython,tobbad/micropython,supergis/micropython,skybird6672/micropython,emfcamp/micropython,orionrobots/micropython,HenrikSolver/micropython,pozetroninc/micropython,trezor/micropython,mhoffma/micropython,dmazzella/micropython,tobbad/micropython,turbinenreiter/micropython,blazewicz/micropython,noahwilliamsson/micropython,oopy/micropython,omtinez/micropython,drrk/micropython,SHA2017-badge/micropython-esp32,matthewelse/micropython,martinribelotta/micropython,micropython/micropython-esp32,xuxiaoxin/micropython,danicampora/micropython,tralamazza/micropython,TDAbboud/micropython,lbattraw/micropython,blazewicz/micropython,PappaPeppar/micropython,xyb/micropython,dinau/micropython,pfalcon/micropython,ceramos/micropython,matthewelse/micropython,hosaka/micropython,mianos/micropython,puuu/micropython,ChuckM/micropython,skybird6672/micropython,vitiral/micropython,ericsnowcurrently/micropython,misterdanb/micropython,misterdanb/micropython,neilh10/micropython,MrSurly/micropython-esp32,warner83/micropython,kostyll/micropython,Peetz0r/micropython-esp32,ryannathans/micropython,TDAbboud/micropython,infinnovation/micropython,kostyll/micropython,blmorris/micropython,paul-xxx/micropython,ryannathans/micropython,EcmaXp/micropython,noahchense/micropython,firstval/micropython,mgyenik/micropython,turbinenreiter/micropython,ericsnowcurrently/micropython,pfalcon/micropython,stonegithubs/micropython,SHA2017-badge/micropython-esp32,dhylands/micropython,bvernoux/micropython,alex-robbins/micropython,paul-xxx/micropython,henriknelson/micropython,redbear/micropython,utopiaprince/micropython,hiway/micropython,PappaPeppar/micropython,omtinez/micropython,ericsnowcurrently/micropython,torwag/micropython,xhat/micropython,vitiral/micropython,adafruit/micropython,rubencabrera/micropython,HenrikSolver/micropython,stonegithubs/micropython,torwag/micropython,emfcamp/micropython,warner83/micropython,martinribelotta/micropython,xyb/micropython,adafruit/circuitpython,aethaniel/micropython,KISSMonX/micropython,paul-xxx/micropython,mpalomer/micropython,skybird6672/micropython,orionrobots/micropython,praemdonck/micropython,TDAbboud/micropython,kerneltask/micropython,MrSurly/micropython-esp32,skybird6672/micropython,cloudformdesign/micropython,redbear/micropython,KISSMonX/micropython,drrk/micropython,SHA2017-badge/micropython-esp32,SHA2017-badge/micropython-esp32,matthewelse/micropython,KISSMonX/micropython,supergis/micropython,hosaka/micropython,xyb/micropython,feilongfl/micropython,danicampora/micropython,lowRISC/micropython,SungEun-Steve-Kim/test-mp,lbattraw/micropython,micropython/micropython-esp32