Cov txheej txheem:
- Kauj Ruam 1: Daim Ntawv Teev Npe
- Kauj Ruam 2: Xeem Lub Circuit Court
- Kauj Ruam 3: 555 Timer
- Kauj Ruam 4: LED/Transistor Array
- Kauj ruam 5: Sib dhos
- Kauj Ruam 6: Hloov Lub Hwj Chim
- Kauj Ruam 7: Ntim
Video: LED Flasher Pob: 7 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31
Qhov no yog lub xyoo caum LED flasher Circuit. Qhov Circuit Court mus dhau kaum theem. Nws khiav tawm lub roj teeb 9V thiab muab ntim rau hauv cov yas kom nws tiv taus dej thiab ua rau nws saib tshiab. twb tsis tau ua dab tsi nrog lub 555 timer ua ntej, qhov no yog lub voj voog zoo los pib nrog! Txhawm rau tsim lub voj voog no, koj xav tau kev txawj ua mov ci, kev txawj ci, thiab ua kom tiav hauv yas, koj yuav tsum tau xaws lossis muaj ib tus neeg xaws nws rau koj. Nws ua haujlwm li cas? A 555 nti siv los ua lub moos uas teeb tsa kev sib tw rau HCF4017B lub xyoo kaum xyoo. Qhov moos tau hloov pauv los ntawm kev hloov pauv qhov tseem ceeb ntawm tus tiv thaiv thiab lub capacitor. Bigger txhais tau tias lub sij hawm mem tes qeeb, qhov txiaj ntsig me dua Cov mem tes nrawm. Qhov 10 qhov tawm ntawm HCF4017B tau txuas nrog lub hauv paus ntawm 10 NPN transistors (BC547s, lossis 2N3904s, ob leeg tuaj yeem ua haujlwm). Txhua tus transistor tsav 4x 500mcd LEDs ntawm 9 volts. Yog tias koj siv tsawg dua qhov ua tau zoo, tom qab ntawd koj tsuas tuaj yeem thauj khoom txog 2 LEDs.
Kauj Ruam 1: Daim Ntawv Teev Npe
Txhua qhov ntawm cov khoom tau yooj yim kom tuav thiab pheej yig. Ob peb lub tswv yim: Ib khub ntawm kev pab txhais tes yog qhov tseem ceeb, tshwj xeeb tshaj yog thaum koj siv cov kab hluav taws xob LED. Thiab cov cua sov yuav tiv thaiv koj Circuit, tsis tsuas yog tiv thaiv nws los ntawm kev luv luv, tab sis los ntawm kev ua kom txuas cov pob qij txha txuas ntxiv los ntawm kev muab cov khoom siv sib zog. Siv cov xim los cim koj cov xov hlau. Liab, dub, pom tseeb. Ntsuab rau teeb liab. Dawb rau transistor rau nti. Nws yuav hnov me ntsis pom tseeb, tab sis kuv tsis tau siv los ua qhov no, tsuas yog tom qab thev naus laus zis uas kuv tau pib tsim tus cwj pwm no. 2km, hauv txhua qhov ntau thiab tsawg) Sab txiav, xaim hluav taws xob, ntsia hlau clippers. Soldering hlau Dust/Gas maskPartsBlack, liab, dawb thiab ntsuab txuas kab hlau.555 timer chipHCF4017B kaum xyoo counter1x 8 pin IC socket1x 16 pin IC socket10x 3904 lossis BC547 NPN transistors40x 500mcd txiv kab ntxwv LEDS1x ntsuab LED1x 1000 ohm resistor1x 4700ohm resistor1x 10 micro Farad polarized capacitor1x DPDT fais fab hloov 1x9v PP3 roj teeb clip1 teeb ntawm 2-txoj hauv qhov thiab txuas, txhua yam. PackagingClear yas khoom (mus rau lub khw ntaub) Ntshiab yas tubing, 0, 5mm (mus mus rau lub khw muag khoom kho vajtse) Velcro strips (kuj yog lub khw muag ntaub) Dab tsi? Tsuas yog ib tus tiv thaiv xav tau? Kuv yuav tsis ntxiv ib qho nrog cov coj? Yog lawm, thiab kuv tsis xav tau. Plaub hauv kab ntawm 9v, thiab pulsed 9v kuj yuav tsis muaj kev pheej hmoo ntau dhau ntawm kev ua kom sov thiab kub hnyiab tawm. Qhov no yog cov ntawv txheeb rau ob daim: /NSC/LM555.htmlhttps://pdf1.alldatasheet.com/datasheet-pdf/view/133628/ETC/HCC/HCF4017B.html
Kauj Ruam 2: Xeem Lub Circuit Court
555 timer clockSassemble circuit on a breadboard, starting with the 555 timer part. (Saib daim duab) Kom paub tseeb tias nws ua haujlwm, txuas lub LED rau tus pin 3, rau hauv av yog tias nws ua haujlwm, LED yuav mem tes. Sequencer (Saib daim duab) Kev sib txuas rau cov txiaj ntsig ntawm lub nti yog me ntsis fiddly, thiab mus hauv qhov kev txiav txim no: Pin 3 - #1Pin 2 - #2Pin 4 - #3Pin 7 - #4Pin 10 - #5Pin 1 - #6Pin 5 - #7Pin 6 - #8Pin 9 - #9Pin 11 - #10 Ntsuas txhua yam thiab ua kom nws khiav tau. ib qho kev txiav txim ib nrab, koj tau txuas nws rau tus lej tsis raug. Other tshaj li, tsis muaj dab tsi ntxiv yuav tsum mus tsis raug.
Kauj Ruam 3: 555 Timer
Tam sim no koj yuav pib siv cov khoom seem kom lawv npaj tau mus rau hauv xov tooj!, xyuas kom nws yog txoj kev puag ncig.
Kauj Ruam 4: LED/Transistor Array
Koj thawj zaug yuav tsum muab cov transistor nrog 4 LEDs Nco ntsoov, kuv tau siv 3904 transistors - koj yuav tsum txheeb xyuas tus pin ntawm tus transistor koj siv yog lub hauv paus, tus sau, emmiter. Ua 10 ntawm cov kev sib txuas no. rau +9V. Siv tus xaim liab liab rau nws kom pom meej dua. Muag tag nrho 0 volt xaus rau ib qho kev tsheb nqaj hlau. Muab nws xaim dub. Qhov txhua yam yuav tsum yog lub duab plaub ntev.
Kauj ruam 5: Sib dhos
Siv lub xaim liab xaim xaim rau tus pin 16 rau kev sib txuas 9v. Muag cov xov hlau dub los ntawm 8, mus rau 13, txog rau 15, mus rau xaim xaim xaim xaim xaim xaim xaim hluav taws xob ua ntej koj muab cov xov hlau sib txuas ua ke. qhov tseeb transistors rau tus pin raug ntawm 16 tus pin IC tuav. Muaj tseeb tias koj muaj kev taw qhia kom raug - koj yuav tsum muaj daim duab nyob rau ntawm koj xub ntiag. Tsim lub nti hauv, txoj hauv kev puag ncig. Tam sim no koj yuav txuas lub moos. ouput ntawm lub moos (xaim ntsuab, tus pin 3) mus rau lub tswv yim ntawm lub txee nti (xaim ntsuab, tus pin 14). (Saib daim duab) Muab cov xaim liab sib txuas ua ke. txiav nrog 2-txoj kev txuas. (Saib daim duab) Txheeb xyuas thiab pom tias nws ua haujlwm los ntawm kev txuas lub roj teeb 9v.
Kauj Ruam 6: Hloov Lub Hwj Chim
Nco ntsoov lub lil 'ntsuab LED koj pom ua ntej? Siv nws ua ke nrog 1k resistor thiab npog ob txhais ceg nrog heatshrink. Feem ntau qhib cov neeg sib cuag. (Saib daim duab) Cov kab xaim dub ntev mus rau qhov tsis zoo ib txwm qhib kev sib cuag. Lub siab ntev ntawm cov xaim liab mus rau qhov zoo ntawm qhov ib txwm qhib kev sib cuag. Lub yas tubing hla ob qhov ntev, thiab txiav qhov kawg nrog 2-txoj kev ntsawb. (Saib Duab)
Kauj Ruam 7: Ntim
Txuas lub qhov hluav taws xob thiab qhov txuas Txuas. Hloov qhov hloov pauv. Ua rau mob vwm. Ua cov yas ntshiab, xaws ib lub raj loj txaus kom haum rau tag nrho cov Circuit thiab kab. Kaw ib kawg. Tig lub raj sab hauv tawm kom lub hem nyob sab hauv. Slip lub Circuit Court sab hauv, thiab xaws nws kaw nrog tubed fais fab cable txuas tawm. thiab siv qhov ntev ntawm lub tsheb kauj vab tub los tuav nws mus rau lub roj teeb. Ua kom lub pob tuaj yeem txuas nrog txhua yam, lo 3 kab ntawm velcro rau tom qab ntawm pob. Cov kua nplaum kub ua haujlwm zoo kawg li, tab sis kuv tsis paub tseeb tias nws yuav nyob li cas thaum huab cua txias. Qhov ntawd yog kuv qhia Vam tias koj nyiam! Thiab yog tias muaj qee yam uas koj tsis nkag siab, lossis ib yam dab tsi uas tsis meej, thov koj xav nug.
Khiav Tawm Hauv Qhov Teeb Pom Hmo! Kev sib tw
Pom zoo:
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