Cov txheej txheem:
Video: Cov Khoom Siv Hluav Taws Xob: 3 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31
Peb muaj lub xov tooj siv-siv qhov taw qhia nrog lub teeb liab liab. Lub 9 volt alkaline roj teeb hauv qhov ntsuas tsuas yog ib hlis lossis ob hlis. Kuv xav hloov nws nrog NiCad roj teeb rov tau. Tab sis, kuv tsis xav muab ib qho kev xav rov qab roj teeb. Lub hom phiaj yog txhawm rau txhawm rau txhawm rau lub roj teeb txhua lub sijhawm yog li nws yuav raug them ntawm nws tus kheej.
Ntawm peb lub rooj noj tshais noj tshais koj pom qhov qhia siv-hauv (lub teeb liab liab pom hauv daim duab), lub xov tooj, lub tshuab teb, thiab lub phab ntsa wart lub zog hloov pauv rau lub tshuab teb.
Kauj Ruam 1: Npaj Ua Haujlwm
Kuv muaj qhov program sim sim yooj yim ntawm kuv lub khoos phis tawj thiab tuaj yeem "tsim" lub voj voog virtual yam tsis tau yuav khoom.
Qhov 13 volt tam sim no los ntawm lub tshuab teb lub tshuab fais fab xav tau kom poob mus txog 9 volts rau lub roj teeb. Tej zaum yuav muaj lwm yam, tej zaum txoj hauv kev zoo dua los ua nws. Tab sis, Kuv tau xaiv siv txoj hlua ntawm tsib diodes kom txo qhov hluav taws xob. Txhua qhov diode poob qhov hluav taws xob txog 0.6 volt. Hauv kev simulation qhov poob yog 0.8 volt. Lub voj voog uas txuas lub roj teeb tas li yuav tsum pub 1/100th ntawm kev ntsuas amp-teev ntawm lub roj teeb rau lub roj teeb txhua lub sijhawm. Lub roj teeb tau ntsuas ntawm 150 milli-amp teev. 6 K Ohm resistor nqa cov dej ntws tam sim no mus rau 1.52 mA.
Kauj Ruam 2: Kev Sib Txuas
Ntawm no koj pom cov khoom sib txuas ua ke. Cov duab yog ib feem schematic thiab ib feem ntawm daim duab. Cov kev sib txuas sab hauv qhov taw qhia siv yooj yim mus rau lub roj teeb txuas mus rau ntawm lub rooj tsav xwm. Kuv kais mus rau hauv cov xov hlau los ntawm wart ntawm phab ntsa mus rau lub tshuab xov tooj lub zog txuas.
Thawj pab pawg ntawm tus tiv thaiv (xiav) yog xim xim rau "6." Qhov thib ob band (dub) yog xim xim rau "0." Qhov qhab thib peb (liab) yog xim xim rau "sib npaug 100." Cov neeg tiv taus feem ntau muaj cov qhab plaub uas yog xim hlau (kub, nyiaj). Cov qhab no qhia txog thaj tsam ntawm latitude ntxiv lossis rho tawm tus nqi nominal uas tuaj yeem lees paub rau tus neeg tawm tsam, nws ua siab ntev los ntawm qhov tshwj xeeb xws li hauv 20 feem pua lossis 5 feem pua, thiab lwm yam.
Kauj Ruam 3: Qhov Sib Txuas Tiag
Cov xov hlau ntxiv nyob ib sab thiab tom qab lub tshuab teb. Daim kab xev hluav taws xob dawb npog cov kab sib txuas thiab cov diodes nrog tus tiv thaiv.
Kuv tau ua qhov kev hloov kho no txog peb xyoos dhau los. Peb tsis tas yuav hloov lub roj teeb hauv qhov kev qhia siv txij li. Yog tias peb nyob hauv xov tooj ntau, LED tuaj yeem nyem qeeb me ntsis rau ob peb hnub. Peb vam khom rau qhov siv qhia tau ntau heev thaum peb siv kev hu xov tooj sib txuas Internet. Tam sim no nws muaj txiaj ntsig kom paub yog tias lub xov tooj nyob hauv ib lub tsev yog ajar ntawm nws tus menyuam txaj lossis yog tias ib tus neeg hu xov tooj hauv lwm qhov ntawm lub tsev. Dab tsi yog invovled hauv kev ua haujlwm tawm qhov haujlwm no tuaj yeem siv rau lwm qhov haujlwm.
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