Cov txheej txheem:
- Kauj ruam 1: Cov npe ntawm Hardwares
- Kauj Ruam 2: Tsim lub Siren Circuit
- Kauj Ruam 3: Cov Tswv Yim Txhim Kho Ntxiv
Video: Tub ceev xwm Siren: 3 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:25
Thaum kuv yog menyuam yaus, hnov tub ceev xwm sirens ib txwm ua rau kuv mob siab rau thiab ua rau kuv xav koom nrog tub ceev xwm mus tua cov neeg ua txhaum txoj cai lij choj. Txij li thaum kuv tau ua haujlwm 555 lub sijhawm, Kuv txiav txim siab ua tiav kuv txoj kev npau suav thaum yau thiab tsim kuv tus kheej lub zog adrenalin muab Siren. Kuv qhov haujlwm yog tub ceev xwm siren Circuit uas suav nrog ob lub 555 timers los ua suab nrov nrov. Ob lub 555 timers no yuav siv los ua qhov qis zaus oscillator tswj qhov thib ob 555.
Kauj ruam 1: Cov npe ntawm Hardwares
- Ob npaug 555 timers
- Solderless breadboard
- Jumper hlau
- Hais lus nrog sab hauv tsis kam ntawm 8 ohm
- Ib leeg 68K, ob npaug 10K, thiab ib leeg 1K resistors
- Lub hwj chim 15V
- Ob chav 100n capacitors nrog rau 10u polarized capacitors
Kauj Ruam 2: Tsim lub Siren Circuit
Cov txheej txheem 1: Tsim kom muaj qhov tsawg zaus oscillator
Raws li kuv tab tom tsim lub suab nrov, lub luag haujlwm tseem ceeb yog ua kom muaj suab nrov nrov. Ua ntej tshaj plaws, Kuv tau sau tag nrho kuv cov khoom thiab tsim tus qauv uas kuv tuaj yeem ua raws nrog. Txuas thawj 555 ua qhov chaw nruab nrab ntawm qhov pib Circuit Court thiab txuas tus pin hauv av mus rau hauv av ntawm lub khob cij. Tom ntej no, txuas 1K, 68K, xaim tawm los ntawm tus lej pib, xaim tawm los ntawm tus lej pin, thiab lub polarized 10u capacitor hauv kab ib yam li tau qhia hauv cov qauv. Tom qab txuas lwm 100n lub tshuab hluav taws xob rau 555, thawj txheej txheem ntawm kev tsim lub Circuit Court tau ua tiav.
Kuv nyuam qhuav tsim qhov qis zaus oscillator uas muaj peev xwm tsim hluav taws xob ib puag ncig ntawm qhov hluav taws xob ntawm tus pin tso tawm. Capacitor tsub thiab tso tawm tom qab qhov hluav taws xob nkag thiab ua haujlwm ua rau cov zis hluav taws xob poob thiab nce tam sim ntawd. Qhov no yog tsim los ntawm qhov ua rau thiab qhov pib ua qauv (ob qho tib si ntawm cov nthwv dej tau txuas saum toj no). Qhov mem tes tsis zoo ntawm tus ntsuas teeb tsa sab hauv flip-flop thaum qhov hluav taws xob poob qis dua 1/3Vcc ua rau cov zis hloov pauv los ntawm qis mus rau lub xeev siab. Ntawm qhov tod tes, tus lej pib teeb tsa sab hauv flip-flop thaum qhov hluav taws xob ntau dua 3/2 Vcc ua rau nws hloov pauv los ntawm siab mus rau lub xeev qis. Yog li ob qho no khaws qhov hluav taws xob thawb nruab nrab ntawm 1/3Vcc thiab 2/3Vcc. Qhov no ua rau qhov ua rau thiab qhov pib ua haujlwm yoj mus rau qhov uas lawv ua hauv Circuit Court.
Cov txheej txheem 2: Tom qab tsim lub oscillator qis zaus, cov kauj ruam tom ntej yog ua kom tiav lub tswb hluav taws xob. Txuas thawj 555 tus timer tso tus pin rau qhov ntsuas hluav taws xob tus pin ntawm 555 lub sijhawm thib ob. Tom ntej no, txuas ob 10K tus tiv thaiv, thiab 100n lub tshuab hluav taws xob nrog rau cov xov hluav taws xob tawm los ntawm qhov pib thiab ua rau cov koob nyob hauv koob. Nws yog lub sijhawm ntxiv tus neeg hais lus uas yuav tsim lub suab nrov rau peb qhov kev sib tham. Txuas tus hais lus rau tus pin tso tawm ntawm tus thib ob 555 timer nrog 10u capacitor nyob nruab nrab. Thaum kawg, txuas qhov seem ntawm lub Circuit Court mus rau 15V cov khoom siv hluav taws xob thiab thaj chaw. Los ntawm txoj kev, Kuv siv 8-ohm resistor los simulate tus hais lus hauv kuv LTSpice simulation.
Cov zis los ntawm qhov qis zaus oscillator tswj qhov ntsuas hluav taws xob tus pin ntawm tus thib ob 555 timer. Kev hloov hluav taws xob hauv kev tswj hluav taws xob ua rau zaus ntawm qhov oscillator thib ob nce thiab nqis. Qhov no yog li cas lub siren ua nws lub suab los ntawm Circuit Court.
Kauj Ruam 3: Cov Tswv Yim Txhim Kho Ntxiv
Txij li thaum kuv tsim tub ceev xwm lub suab nrov, nws yuav ua tiav thiab siv tau rau qee qhov txuas ntxiv yog tias kuv ntxiv LED liab thiab xiav hloov pauv teeb hauv nws. Kuv yuav sim nrog lub tswv yim no hauv kuv qhov haujlwm tom ntej.
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