Cov txheej txheem:
- Kauj Ruam 1: Xeem Ua Ntej - Yuav thiab rub tawm Ib puag ncig
- Kauj Ruam 2: Kev Ntsuas Kub
- Kauj Ruam 3: Capacitive Touch Sensor
- Kauj Ruam 4: Cov Khaub Ncaws Ib Qho thiab Cov Quav Slider
- Kauj Ruam 5: Lub Teeb Pom Kev
- Kauj Ruam 6: Suab Sensor
- Kauj Ruam 7: Accelerometers
- Kauj Ruam 8: Koj Ua Tiav lawm
Video: Nkag Siab Cov Hluav Taws Xob Hluav Taws Xob: 8 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Lub hom phiaj los piav qhia kev ua haujlwm ntawm cov khoom lag luam ib txwm muaj thiab cov khoom siv hauv tsev, qhov no "Qhia" qhia koj yuav siv cov khoom lag luam muaj txiaj ntsig zoo li cas nyob hauv lub ntiaj teb tiag tiag siv kev siv tes ua thiab kev sim.
Zaj lus qhia no yuav qhia luv luv txog cov kab hluav taws xob uas tuaj yeem nkag siab cov hauv qab no:
- Kev Hloov Kub
- Tau kov (Capacitive skin contact)
- Tau Kov (Hloov thiab cov nyees khawm)
- Hloov hauv Teeb
- Hloov hauv Suab
- Cov Kev Hloov Hauv Kev Ceev (Kev txav thiab lub ntiajteb txawj nqus)
Kuj tseem suav nrog yog kho vajtse thiab software xav tau, qhov twg yuav / rub tawm cov khoom, yuav teeb tsa cov kab hluav taws xob li cas rau cov lej tso tawm, yuav ua li cas nyeem cov lej tso tawm, thiab keeb kwm yav dhau los ntawm txhua lub sensor ua haujlwm li cas.
Cia peb pib!
Kauj Ruam 1: Xeem Ua Ntej - Yuav thiab rub tawm Ib puag ncig
Koj yuav pom thoob plaws Kev Qhia paub tias cov ntsiab lus ntawm zaj lus qhia no tau tshuaj xyuas zoo los ntawm cov tub ntxhais hluas mus ntsib Tsev Kawm Ntawv Qib Siab hauv ib cheeb tsam uas lawv nyiam nyob hauv Mechatronics (neeg hlau thiab tsim khoom)
Oreo ncuav qab zib yog qhov muaj txiaj ntsig, tab sis tsis xav tau
Cov neeg Adafruit tsim lub rooj tsavxwm peb yuav siv niaj hnub no, hu ua "Circuit Playground - Classic" thiab lawv tau tshuaj xyuas ntau txoj hauv kev los siv lub cuab yeej. Koj tuaj yeem pom qee qhov no hauv lawv nplooj ntawv "Kawm" ntawm no, uas zoo nkauj npaum li cas taug qab qhov Kev Tshawb Fawb Kev Tshawb Fawb thiab cov kauj ruam hauv qab-kev saib xyuas ntawm Adafruit nplooj ntawv "Kawm" no, https://learn.adafruit.com/circuit-playground -and-bluetooth-qis zog
Qhov koj xav tau yog qhov yooj yim, pheej yig, thiab siv tau yooj yim rau cov kws sim los ntawm ntau pab pawg hnub nyoog, txawm tias tseem hluas li Tsev Kawm Ntawv Nrab Hnub nyoog (hnub nyoog 12 xyoos, tej zaum?)
- Ua ntej, yuav ib lossis ntau ntawm cov khoom siv ntawm no: https://www.adafruit.com/product/3000 thiab tseem yog USB rau Micro-B USB adapter txuas rau koj lub PC ntawm no https://www.adafruit.com/ khoom/898. Tus nqi tag nrho qis dua $ 40 nrog kev xa khoom, tab sis koj yuav pom nws pheej yig dua.
- Thaum koj yuav thiab tau txais koj qhov pheej yig Circuit Court Chaw Ua Si thiab USB cable, koj yuav tsum txuas nws mus rau Tus Kheej Lub Computer (PC) uas muaj Kev Txhim Kho Ib Leeg Ib puag ncig (IDE) rau Arduino yam khoom siv.
- Hauv qhov piv txwv no peb tab tom siv IDE arduino-1.8.4-windows, tab sis lwm tus yuav ua haujlwm ib yam. Nco ntsoov teeb tsa txhua tus tsav tsheb (qhov no, adafruit_drivers_2.0.0.0
- Thaum koj tau teeb tsa IDE, koj tuaj yeem qhib IDE hu ua "Arduino"
- Hauv Cov Ntaub Ntawv-> Nyiam sau hauv qab no "Tus Thawj Saib Xyuas Haujlwm Ntxiv URL" https://adafruit.github.io/arduino-board-index/pac…, tom qab ntawd hais tias OK thiab tom qab ntawd kaw thiab rov qhib IDE
- Tam sim no txuas lub Circuit Playground ntaus ntawv nrog Micro USB. Pom tias nws muaj zog thiab ua haujlwm qhov haujlwm tsis raug "Circuit Playground Firmata" los ntawm kev teeb tsa ib zaj sawv ntawm cov teeb. Koj tuaj yeem sim tias qhov hloov pauv nyob ze ntawm lub roj teeb lub hwj chim thim rov qab qhov kev txiav txim thiab ib qho ntawm cov nyees khawm ua cim rau txhua xim.
- Koj yuav tsum tau txais Lub Tsev Qiv Chaw Ua Si hauv Circuit thiab tom qab ntawd zauv qhov Circuit PLayground Library rau hauv Cov Ntaub Ntawv -> Arduino -> cov tsev qiv ntawv nplaub tshev "Adafruit_CircuitPlayground -master." Thaum unzipped, tshem cov ntawv ntxiv "-master" los ntawm lub npe nplaub tshev. Nres thiab rov pib dua IDE, thiab ntsaws Circuit Board Chaw Ua Si Hom nyob rau hauv Cov Cuab Yeej -> Cov laug cam -> Tus Thawj Saib Xyuas Haujlwm thiab tom qab ntawv tshawb fawb hom "Koom Nrog" thiab cov ntsiab lus "Adafruit AVR". Qhov no yuav cia koj nruab "Adafruit AVR Boards" (qhov hloov tshiab kawg) tom qab uas koj yuav tsum nres thiab rov pib dua IDE
- Tam sim no koj tau npaj los sim Circuit Chaw Ua Si nrog qhov kev qhia ua haujlwm. Txuas mus rau Circuit Chaw Ua Si txuas nrog ntawm USB. Mus rau Cov Cuab Yeej -> Boards thiab xyuas kom tseeb tias koj xaiv Circuit Playground. Mus rau Cov Cuab Yeej -> Chaw Nres Nkoj thiab xyuas kom tseeb tias koj xaiv qhov tsim nyog COM chaw nres nkoj (ib qho txuas nrog USB Blaster). Rub tawm qhov kev qhia ua haujlwm raws li hauv qab no: Xaiv: Cov Ntaub Ntawv -> Piv txwv -> Adafruit Circuit PLayground -> demo thiab tom qab ntawv suav sau thiab rub tawm (tuaj yeem siv "txoj cai taw tes xub" khawm ua txhua yam)
- Ntsuas qhov kev qhia ua haujlwm los ntawm kev ua raws cov theem hauv qab no: Saib tias Circuit Circuit Chaw Ua Si tab tom ntsais ntsais ua ntu zus. Tig lub slider hloov thiab pom tias nws ua rau sau ntawv ua si (thov tig nws rov qab, txwv tsis pub nws yuav muaj kev cuam tshuam txhua tus neeg nyob ib puag ncig koj). Pom tias qhov rub tawm liab liab LED ntsais lub sijhawm.
- Tam sim no koj tuaj yeem sib tham nrog Circuit Chaw Ua Si ntawm Text Interface. Nyem rau ntawm "Serial Monitor" khawm hauv IDE. Nws zoo li zoo li lub iav tsom iav nyob rau sab xis saum toj ntawm qhov program program qhov rai. Tej zaum koj yuav xav kaw qhov pib pib kom tau txais qhov zoo dua.
Koj tau npaj los sim thiab txuas rau txhua qhov sib txawv sib txawv!
Kauj Ruam 2: Kev Ntsuas Kub
Ua tibzoo saib "ntsuas kub" tus nqi ntawm koj cov ntawv saib xyuas kab ntawv. Nws yuav muaj qhov ntsuas kub hauv chav nyob qhov twg hauv 30's. Kuv ntsuas 39.43 degrees Celsius.
Cov thermistor uas siv los ntsuas qhov kub tau qhia hauv daim duab. Nws yog lub ntsuas A0 thiab muaj duab ntawm tus pas ntsuas kub nyob ib sab ntawm nws.
Maj mam muab koj tus ntiv tes xoo hla lub ntsuas kub thiab sau pes tsawg vib nas this nws siv sijhawm kom mus txog qhov kub tshaj plaws. Ua ib qho kev ceeb toom ntawm no, nrog rau cov hauv qab no:
Kom ncav cuag qhov siab tshaj plaws ntawm tus ntiv tes nws siv _ vib nas this.
Qhov kub siab tshaj plaws nws thiaj li mus txog qhov twg? _ C ib
Tus nqi no hauv Fahrenheit yog dab tsi? _ F. HINT: F = (C * 1.8) + 32
Puas yog qhov sov lossis txias dua li lub cev kub? _
Puas yuav siv tus pas ntsuas kub no nrog ib tus neeg ntiv tes xoo ua lub ntsuas kub zoo los qhia seb lawv puas muaj mob?
Vim li cas? _
Thermistor yog ib yam tshwj xeeb ntawm cov tshuaj tiv thaiv uas hloov pauv ua haujlwm raws li qhov ntsuas kub. Ib qho ntawm cov duab hauv cov kauj ruam no qhia tau tias yog daim duab Thermistor Circuit Circuit ib txwm muaj. ·
Hauv kab lus qhia, yuav nyeem dab tsi ntawm Volt Meter? _ HINT: Siv txoj cai faib hluav taws xob Vout = (5V * R1 Ohms) / (R1 Ohms + Thermistor Ohms)
Yog tias tus thermistor muaj qhov ntsuas ntawm "1.5% Kev Tiv Thaiv Kev Hloov pauv hauv ib qib C" - Dab tsi yuav yog qhov tsis kam ntawm cov thermistor yog tias qhov kub nce mus txog 30 ° C? _ HINT: vim nws yog 5 qib hloov pauv, thiab txhua qib hloov pauv qhov tsis kam los ntawm 1.5%, peb tau txais Thermistor Ohms = (5 * 0.015) + 10, 000 Ohms
Ntawm 32 degrees C, yuav nyeem dab tsi ntawm Volt Meter? _ HINT: Tam sim no qhov kev hloov pauv yog 7 degrees.
Qhov ntsuas kub nyob qhov twg tuaj yeem siv hauv kev tsim khoom?
Kauj Ruam 3: Capacitive Touch Sensor
Daim duab qhia pom qhov twg ntawm cov txuas (lossis "ntaub qhwv") kuj tseem tuaj yeem siv los txhawm rau kov. Lawv raug hu ua capacitive touch sensors vim tias lawv siv tib neeg lub cev ua cov khoom siv hluav taws xob hu ua capacitor.
Txog kev nyab xeeb, peb xav kom txhua lub tshuab hluav taws xob muaj qis heev. Vim li no, txhua qhov kev sib txuas sab nraud mus rau cov ntaub qhwv dhau los ntawm 1 Mega Ohm resistor mus rau thaj tsam ib puag ncig (tus pin #30 ntawm lub nti) yog li tag nrho kev tiv thaiv nruab nrab ntawm ob lub pawm yog 2 Mega Ohms.
- Yog tias qhov siab tshaj qhov nruab nrab ntawm ob lub pawm yog 5 Volts, thiab qhov tsis kam yog 2 Mega Ohms, dab tsi yuav yog qhov tam sim no uas hla nruab nrab ntawm ob daim ntaub qhwv yog tias lawv luv luv? _ (TSIS TXHOB luv luv rau lawv)
- "Capsense" yog cov lej uas tau tshwm los ntawm cov ntawv sib tham. Qhov xwm txheej twg yog cov lej loj dua, thaum lub ntsuas tau raug kov, lossis thaum lawv tsis raug kov? _
- Sau qee qhov piv txwv ntawm cov lej thaum lub ntsuas tsis raug kov: _
- Sau qee qhov piv txwv ntawm cov lej thaum lub ntsuas tau raug kov: _
- Koj txawv qhov txawv li cas thaum ntau lub ntsuas tau kov ib txhij? _
- Yuav ua li cas yog tias koj tuav qee yam xim hlau, thiab kov lub sensor nrog qhov ntawd? _
- Yuav ua li cas yog tias koj tuav qee yam uas tsis yog xim hlau, thiab kov lub sensor nrog qhov ntawd? _
- Vim tias lub peev xwm kov lub ntsej muag tsis muaj qhov txav chaw, lawv tiv taus kev co. Tsis tas li, lawv tuaj yeem npog nrog txheej txheej tiv thaiv tsis tau dej. Vim li cas tej zaum ob yam no yuav muaj txiaj ntsig hauv kev tsim khoom ib puag ncig? _
Kauj Ruam 4: Cov Khaub Ncaws Ib Qho thiab Cov Quav Slider
Laub cov nyees khawm thiab cov hloov pauv zoo li yooj yim thiab "niaj hnub" uas peb coj lawv rau kev tso cai thaum nws los txog rau lawv siv los ua cov ntsuas. Cov keyboard yog ib qho piv txwv zoo. Thaum peb xav kom ntaus nrawm, muaj ob peb qhov "yuam kev" tus yuam sij, thiab muaj lub neej nyob ntev ntau xyoo ntawm kev siv - cov khoom siv hloov pauv (ib qho hauv qab txhua tus yuam sij ntawm cov keyboard) yog txoj hauv kev mus.
Lub Circuit Court peb siv niaj hnub no muaj peb lub pob nyem "sib quas ntus". Qhov ntawd txhais tau tias ib qho koj tso ntawm lub pob, lawv rov qab mus rau lawv txoj haujlwm qub (ua tsaug rau lub tshuab ua haujlwm caij nplooj ntoo hlav). Lub Circuit Court tseem muaj lub cim tshwj xeeb rau ob txoj haujlwm swb swb. Nws yuav siv qee qhov dag zog los xaub nws, tab sis tsis txhob tsoo lub rooj tsavxwm sim ua qhov ntawd - swb ib sab kom khov dua li koj nias. Hom sensor no ruaj khov heev. Kev ruaj khov txhais tau tias ib zaug koj xaub nws mus rau ib txoj haujlwm lossis lwm qhov, koj tuaj yeem cia siab tias yuav tuaj yeem taug kev thiab rov qab los tau ntev tom qab thiab cia siab tias nws tseem yuav nyob hauv tib txoj haujlwm, txawm tias nws nyob ntawm qhov chaw vibrating, lwm yam
Koj tau pom qhov zoo li tus swb hloov hauv kev tsim khoom, lossis txawm tias koj lub tsev?
_
Saib cov ntawv sau thiab nrhiav cov ntaub ntawv ntsuas. Hauv qhov no, lub ntsuas yuav tsis tso tus lej tab sis yog lwm yam.
Hloov "swb" yuav tsum qhia nws txoj haujlwm. Dab tsi yog qhov ntsuas "swb" coj los ua ob txoj haujlwm?
_
Lwm yam tshwm sim hauv ib ntawm ob txoj haujlwm swb. Qhov ntawd yog dab tsi?
_
PS Raws li kev hwm rau txhua tus neeg, thov swb qhov hloov mus rau txoj haujlwm "tsis txaus siab" sai li sai tau thaum koj ua tiav nrog ntu no.
Kauj Ruam 5: Lub Teeb Pom Kev
Zoo li qhov ntsuas kub, Lub Teeb Pom Kev Pom Zoo ntawm "Circuit Court Chaw Ua Si" pawg thawj coj saib siv qhov hluav taws xob faib hluav taws xob - qhov twg 5 Volts tsav lub cuab yeej raug txiav ua ob ntu, los ntawm lub ntsuas cua thiab los ntawm tus nqi tiv taus. Hloov chaw ntawm "thermistor" lub teeb pom kev zoo siv "photo-transistor" uas hloov pauv tsis kam raws li qhov pom ntawm lub teeb pom kev. Koj tuaj yeem pom daim duab-transistor "A5" nyob ib sab ntawm daim duab ntawm lub qhov muag ntawm lub rooj tsav xwm.
Yog tias lub teeb pom kev zoo tau taw qhia rau ntawm qab nthab ntawm chav (ntawm lub teeb) tus nqi ntawm "Lub Teeb Pom Kev" yuav tsum yog nyob rau ntau pua.
Tus nqi dab tsi ntawm "Lub Teeb Pom Kev" koj puas pom thaum "qhov muag" tau taw qhia rau ntawm qab nthab ntawm chav?
_
Yuav ua li cas txog yog tias koj taw tes rau “qhov muag” rau hauv pem teb - koj pom pes tsawg tus? _
Yuav ua li cas txog yog tias koj taw tes rau "qhov muag" hauv ntau lub kaum sab xis ntawm qab nthab thiab hauv pem teb? - Piav qhia qhov koj pom, suav nrog tus lej ntawm tus lej koj tau pom, thiab koj tau ua dab tsi kom tau cov lej ntawd. _
Yuav ua li cas txog yog tias koj taw tes ntsuas mus rau qhov ze (tab sis tsis kov) daim ntaub tsaus - koj pom pes tsawg tus? _
Npog nws (ntsuas ze "lub qhov muag") nrog koj tus ntiv tes yuav tsum coj tus lej qis. Puas yog? _
Nco tseg, koj tus ntiv tes yog ib nrab pob tshab, yog li lub teeb ci ntawm lub teeb ci ci tuaj yeem ci nws los ntawm koj tus ntiv tes. Dab tsi ntxiv uas koj tuaj yeem siv los npog lub ntsuas kom tau tus lej qis? _
Lub teeb pom kev tuaj yeem ua rau me ntsis finicky - tsis tas li muab qhov tseeb nyeem koj xav tau, thiab zoo heev nyob ntawm qhov xav tau, pob tshab, lub teeb pom kev zoo, thiab qhov ci ntawm qhov pom kev. Kev tsim lub tshuab pom kev nrhiav kom dhau los ntawm cov kev txwv no los ntawm kev tswj nruj cov kev hloov pauv no. Piv txwv li, tus lej ntsuas tus lej tuaj yeem siv lub teeb ci ci ib leeg-xim laser kab txaij kom txo qis qhov cuam tshuam ntawm chav teeb pom kev zoo. Hauv lwm qhov piv txwv, lub raj mis siv lub raj mis siv "lub qhov rooj qhov rooj" lub teeb pom kev zoo, suav cov thawv mis los ntawm suav tus naj npawb ntawm lub sij hawm lub teeb raug tso cai kom hla ntawm lawv.
Muab piv txwv sib txawv los ntawm kev tsim khoom, hauv tsev, lossis kev lag luam uas qee qhov ntawm cov teeb pom kev zoo no tau tswj kom tau txais lub teeb pom kev zoo dua (ntxiv rau cov piv txwv uas kuv tau hais ntawm no):
Kauj Ruam 6: Suab Sensor
Lub suab ntsuas ntawm "Chaw Ua Si Hauv Chaw" yog qhov ua tau zoo dua li Micro Electro-Mechanical System (MEMS) uas tuaj yeem siv tsis tau tsuas yog txhawm rau txheeb xyuas qib suab, tab sis kuj tseem tuaj yeem ua qhov ntsuas qhov yooj yim. Koj yuav tau pom lub tshuab ntsuas hluav taws xob pom hauv lub suab paj nruag studio lossis lub suab paj nruag app - uas zoo li daim duab kab nrog cov ntawv qis rau sab laug thiab sau ntawv siab dua mus rau sab xis (ib yam li cov duab sib npaug sib luag).
Tus nqi uas nthuav tawm ntawm cov ntawv nyeem yog qhov tseeb cov ntaub ntawv suab nyoos. Peb yuav tau ntxiv qhov txiaj ntsig dhau sijhawm los nrhiav lub zog tag nrho ntawm lub suab (qib suab siab).
Txawm li cas los xij, lub cuab yeej MEMS no tuaj yeem siv los ua qhov kev ua haujlwm los ntawm tus neeg hlau lossis lwm yam cuab yeej thaum muaj suab nrov, lossis thaum lub suab sib txawv tshwj xeeb tau hnov. Ib qho ntxiv, MEMS yog qhov tsawg heev (nws yog lub cuab yeej hauv qab lub qhov me me ntawm lub thawv hlau, sab xis ntawm "pob ntseg" duab ntawm lub rooj tsavxwm) thiab lub zog qis. Qhov kev sib xyaw ua ke no ua rau MEMS cov cuab yeej siv tau zoo heev rau kev siv suab, kev siv tshuaj, kev kuaj pom cov kua me me, cov cuab yeej siv phais me me, cov pa roj thiab cov tshuaj ntsuas hluav taws xob, thiab ntau ntxiv.
Vim tias qhov tso tawm yog lub suab yoj suab (thiab tsis yog lub zog qib) koj yuav pom ntau yam tsawg hauv qhov muaj txiaj ntsig thaum yam nyob ntsiag to (~ 330 yog nruab nrab rau chav nyob ntsiag to) thiab dav dav rau lub suab nrov nrov (0 txog 800 lossis ntau dua)).
Sau qhov "Suab Sensor" qhov muaj txiaj ntsig thaum tsuas muaj suab nrov tom qab ntawm chav nyob. Tus nqi dab tsi rau koj saib? Los ntawm _ rau _
Koj saib tus nqi dab tsi yog tias koj hais lus hauv lub suab ib txwm - txog 2 ko taw lossis deb ntawm lub ntsuas? Los ntawm _ rau _
Koj puas tau txais ntau qhov txiaj ntsig ntau los ntawm kev hais lus lossis los ntawm kev tuav koj cov ntiv tes (lossis npuaj teg) ntau zaus?
Yog lossis tsis yog: _ Kev npau taws rau npuaj/snapping mus los ntawm _ Rau _
Vim li cas koj thiaj xav tias yog? _
Sim ua lwm yam suab nrov thiab sau qhov koj pom - tab sis thov tsis txhob coj mus rau ntawm lub rooj tsavxwm: _
PS MEMS ua haujlwm hauv ob qho kev qhia, thiab nws muaj peev xwm siv hluav taws xob los txav cov tshuab me me. Ib lub tuam txhab hu ua "Audio Pixels" tab tom ua haujlwm ua pawg ntawm cov cuab yeej no ua ke kom ua tau zoo hais lus me me uas tuaj yeem taw lub suab hauv txhua txoj kev.
Kauj Ruam 7: Accelerometers
Tus ntsuas hluav taws xob tseem yog ib hom MEMS, thiab ib qho ntawm cov khoom siv no tau muab rau ntawm "Circuit Court Playground" board. LIS3DH nti, nyob ze ntawm qhov chaw nruab nrab ntawm pawg thawj coj saib tom ntej ntawm XYZ Graphic, muab lub peev xwm los ntsuas kev nrawm nyob rau hauv ib qho kev taw qhia raws li cov lej vector ntawm kev ua kom nrawm hauv X, Y, thiab Z qhia.
Txij li lub zog ntawm lub ntiajteb txawj nqus zoo ib yam rau lub zog xav tau los ntawm kev nrawm (Einstein txoj kev xav ntawm kev sib raug zoo), txawm tias thaum sawv tseem nyob ntawm no hauv ntiaj teb, lub cuab yeej ntsuas qhov nrawm ntawm 9.8 meters ib pliag thib ob (9.8 m/s2).
Koj tuaj yeem tig lub cuab yeej kom tau txais tag nrho lub zog hauv "X" kev coj.
Sim qaij lub cuab yeej kom tag nrho cov kev nrawm yog nyob rau hauv X kev qhia (thov ua siab ntev nrog lub USB cable luv thaum sib tw yam ib puag ncig). Koj saib tus nqi dab tsi? X: _ Y: _ Z: _
Tam sim no qaij lub cuab yeej kom tau txais yuav luag txhua lub zog ntawm kev nqus (nrawm) hauv Y kev taw qhia. Koj saib tus nqi dab tsi? X: _ Y: _ Z: _
Thaum kawg, tso lub cuab yeej kom qhov nrawm los ntawm lub ntiajteb txawj nqus tau sib cais ntawm X thiab Y cov lus qhia, thiab ze li 0 hauv Z kev taw qhia (qee qhov hauv nruab nrab ntawm ob txoj haujlwm ua ntej). Koj saib tus nqi dab tsi? X: _ Y: _ Z: _
Siv Pythagorean Theorem ntxiv X thiab Y vectors ntawm kev nrawm los ntawm kev ntsuas yav dhau los. Koj tuaj yeem tsis quav ntsej cov cim tsis zoo, nws txhais tau tias lub cuab yeej tsuas yog ntxeev dua hauv qhov kev taw qhia ntawd. Tag nrho kev nrawm yog dab tsi? _ Nco qab tias tag nrho nrawm = √ (X2 + Y2).
TSEEM CEEB ZOO TSHAJ PLAWS XWB XWB OS YOG KOJ YOG TUS THAWJ XEEB-DIMENSIONAL! Qaij cov cuab yeej kom qhov nrawm los ntawm lub ntiajteb txawj nqus tau sib cais ntawm X, Y, thiab Z qhia. Koj saib tus nqi dab tsi?
X: _ Y: _ Z: _ Total Acceleration = _
Raws li koj tuaj yeem pom, tus ntsuas nrawm (ua tsaug rau lub zog nqus) kuj tuaj yeem siv los ntsuas qhov qaij - lossis txoj haujlwm ntawm pawg thawj coj. Yog tias koj tau tsim lub caj npab neeg hlau nrog tus tuav, qhov twg koj yuav tso lub ntsuas qhov ntsuas cua, thiab vim li cas? _
Dhau li qaij thiab kev taw qhia ntawm qhov chaw nruab nrab ntawm lub ntiaj teb, kev ntsuas nrawm tuaj yeem tuaj yeem ntsuas qhov nrawm. Maj mam txav lub rooj tsavxwm rov qab los (thov ua siab ntev nrog lub USB cable luv thaum sib tw yam nyob ib puag ncig). Koj saib tus nqi dab tsi?
Cov lus qhia tau txav mus: _ X: _ Y: _ Z: _
Cov lus qhia tau txav mus: _ X: _ Y: _ Z: _
Kauj Ruam 8: Koj Ua Tiav lawm
Pab kev zoo siab rau kev ua tiav txhua qib no thiab nkag siab Cov Hluav Taws Xob Hluav Taws Xob!
Tawm lus tawm xa kuv cov lus tawm tswv yim ntawm yam uas koj xav tias yuav tsum tau txhim kho, thiab tseem qhia rau kuv paub yog tias koj tau los nrog kev ntsuas ntxiv siv ntawm Circuit Playground Classic!
Paul Nussbaum, PhD
Pom zoo:
Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Igniter: 6 Kauj Ruam (nrog Duab)
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Cov Hluav Taws Xob Hluav Taws Xob Cov Hluav Taws Xob: 5 Cov Kauj Ruam
Cov Khoom Siv Hluav Taws Xob Tsis Txaus Siab: Thaum lub tsev poob lub zog, thiab tom qab ntawd thaum kawg tig rov qab, peb lub tshuab A/C nqa tau tsis tig rov qab. Koj yuav tsum tau thawb lub pob rau ntawm lub hauv ntej ntawm chav tsev, lossis ntaus lub hwj huam khawm ntawm cov chaw taws teeb. Peb chav A/C tshwm sim nyob rau hauv peb cov se