Cov txheej txheem:
- Kauj Ruam 1: Daim duab Circuit Court
- Kauj Ruam 2: Daim Ntawv Teev Npe
- Kauj ruam 3: Kev ua haujlwm
- Kauj ruam 4: Hauv Tshooj
- Kauj Ruam 5: Ntxiv LED ntxiv
- Kauj ruam 6: Demo
- Kauj Ruam 7: IR Chaw Taws Teeb
Video: IR Chaw Taws Teeb Khoom Siv Hauv Tsev: 7 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Txoj haujlwm no piav qhia cov txheej txheem ntawm kev ntxiv cov kev tswj chaw taws teeb rau hauv cov khoom siv hluav taws xob. Lub hom phiaj yog txhawm rau tsim lub thawv dub uas koj tuaj yeem ntsaws koj lub V Ac cov khoom siv thiab tswj ON thiab OFF kev ua haujlwm nrog TV lossis DVD chaw taws teeb uas siv kev hloov pauv infra-red (IR) pulse train ntawm 38KHz zaus. Qhov zoo ntawm qhov haujlwm no yog tias nws tsis siv ib lub microcontroller thiab tsuas yog ua raws CD4017 xyoo kaum xyoo txee IC.
Kauj Ruam 1: Daim duab Circuit Court
Daim duab qhia chaw hauv qab no feem ntau zoo ib yam. Nws siv TSOP1738 IR tus qauv txais ntawm sab nkag mus kom tau txais 38 KHz zaus IR mem tes los ntawm cov chaw taws teeb tswj. Raws li qhov xwm txheej ib txwm, tus lej pin ntawm IR module nyob ntawm qhov laj thawj Siab, uas txhais tau hais tias transistor T1 (BC558 PNP) raug txiav tawm thiab nws lub davhlau ya nyob twg yog nyob ntawm logic Tsawg. Tus sau ntawm T1 tsav lub moos kab ntawm CD4017 lub xyoo caum txee.
Nov yog qhov nws zoo li ntawm daim ntawv qhia zaub mov. Kuv hais kom koj txhua tus ua ntej sim ntsuas qhov Circuit Court ntawm lub khob cij.
Kauj Ruam 2: Daim Ntawv Teev Npe
Cheebtsam:-
- Qauv: CD4017
- TSOP 1738 (IR receiver)
- Resistors: 10k x 3, 1k, 100 ohms, 100k
- Cov Capacitors: 10uf x 2
- Transistors: BC558 (PNP) thiab BC548 (NPN)
- 5Volt tso tawm
- Cov diode: 1N4001
- Coj: liab lossis lwm yam x 2Wires
- Mov ci Board - 1 nos
- Prototyping PCB board - 1 nos
- 5V Fais Fab Qhov Chaw
- 220V cov khoom siv hauv tsev
Cov cuab yeej xav tau:-
- Soldering Hlau
- Wirecutter
- Soldering Lead
Kauj ruam 3: Kev ua haujlwm
Lub Circuit Court siv TSOP 1738 IR tus qauv txais ntawm sab nkag mus kom tau txais 38KHz zaus IR mem tes los ntawm cov chaw taws teeb tswj. Raws li qhov xwm txheej ib txwm, tus lej pin ntawm IR module nyob ntawm qhov laj thawj Siab, uas txhais tau hais tias transistor T1 (BC558 PNP) raug txiav tawm thiab nws lub davhlau ya nyob twg yog nyob ntawm logic Tsawg. Tus sau ntawm T1 tsav lub moos kab ntawm CD40174 lub xyoo caum txee. Thaum koj ntsib lub chaw deb ntawm TSOP thiab nias ib qho yuam sij. Tom qab ntawd TSOP tus qauv tau txais lub tsheb ciav hlau ntawm 38KHz IR pulses los ntawm cov chaw taws teeb uas ua rau nws cov zis mus oscillate ib yam nkaus. Cov mem tes no tau hloov pauv ntawm tus neeg sau khoom ntawm BC558, uas thaum kawg mus rau lub moos nkag ntawm lub xyoo caum txee. Cov tuaj txog tuaj yeem nce tus lej CD4017 ntawm tus nqi sib xws (38KHz), tab sis vim tias muaj lub ntsej muag RC lim hluav taws xob (R = 100K, C = 10uf) nruab nrab ntawm tus neeg nqa khoom thiab hauv av, lub tsheb nqaj hlau tshwm sim ua ib leeg mem tes mus rau lub txee. Yog li, ntawm txhua qhov tseem ceeb nias, CD4017 tus lej nce qib tsuas yog suav ib zaug. Thaum tus neeg siv tso tus yuam sij, C1 lub tshuab hluav taws xob tawm los ntawm R1 tus tiv thaiv, thiab cov kab ntawm kab rov qab yog xoom. Yog li txhua lub sijhawm tus neeg siv nias thiab tso tus yuam sij ntawm cov chaw taws teeb, CD4017 lub txee tau txais ib qho mem tes nkaus xwb ntawm nws lub moos nkag.
Kauj ruam 4: Hauv Tshooj
Thaum xub thawj, thaum lub tshuab hluav taws xob tsuas yog qhib, Q0 cov zis ntawm CD4017 lub xyoo kaum xyoo txee mus siab. Lub txee nce ntxiv rau txhua qhov qis-rau-siab mus pulse tuaj txog ntawm nws tus lej CLK (14). Thaum thawj tus mem tes tuaj txog, Q0 mus qis thiab Q1 tig mus siab. Qhov no ua kom muaj kev sib txuas thiab cov cuab yeej AC txuas nrog nws tau qhib. Qhov xwm txheej LED tseem ci ntsa iab los qhia tias lub cuab yeej tau qhib. Thaum tus neeg siv nias tus yuam sij dua, tus mem tes thib ob tuaj txog ntawm kab CLK nce lub txee los ntawm 1. Txij li Q2 tau xaim mus rau Kev Rov Pib Dua, qhov tseem ceeb thib ob nias tiag tiag coj CD4017 IC rov qab rau lub zog-rau-rov pib dua cov xwm txheej nrog Q0 heev. Yog li, nws yooj yim ua haujlwm raws li ON/OFF toggle hloov tswj nrog ib qho tseem ceeb ntawm lub chaw taws teeb infrared.
Kauj Ruam 5: Ntxiv LED ntxiv
Ntawm no kuv tau ntxiv 1 LED uas yog qhia tias Lub Hwj Chim ntawm 220V Tawm. Thaum kuv nias tus yuam sij rau tej thaj chaw deb ces LED ntxiv yuav raug tua thiab 3 LED uas nyob hauv peb daim duab qhia chaw yuav ci.
Thawj LED ib txwm ntsais muag yog qhov qhia tau tias tau txais 38KHz zaus IR mem tes. Nws yuav ntsais muag txhua lub sijhawm vim tias Infrared Zaus nyob txhua qhov chaw. 2nd LED tau qhia tias Lub Hwj Chim ntawm 220V Tawm. qhov no yog LED ntxiv hauv Circuit no. Yog tias koj xav paub qhov twg tso cov LED ntxiv rau hauv Circuit Court saib daim ntawv qhia zaub mov pic ua tib zoo ua lwm yam thov tawm tswv yim Kuv yuav qhia rau koj. Thiab qhov thib 3 LED tau qhia tias Lub Hwj Chim ntawm 220V tau qhib.
Kauj ruam 6: Demo
Kauj Ruam 7: IR Chaw Taws Teeb
Kuv yuav tshaj tawm Cov Lus Qhia Tshiab rau IR chaw taws teeb hauv qee hnub.
Txog tam sim no yog nws. Thiab tsis txhob hnov qab pov npav rau kuv yog tias koj nyiam qhov no.
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