Cov txheej txheem:
- Kauj Ruam 1: Sau cov Cheebtsam
- Kauj Ruam 2: Muab cov Compponents
- Kauj Ruam 3: Kev Sib Txuas ntawm Relay
- Kauj ruam 4: Ua haujlwm
Video: Yuav Ua Li Cas Tsis Siv Teeb Hmo Hmo: 4 Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Kuv tau ua lub voj voog rau lub teeb hmo ntuj tsis siv neeg LM358 ic thiab photodiode uas raug nqi tsawg dua $ 1.
Kauj Ruam 1: Sau cov Cheebtsam
1 x photodiode
1 x 10k ohm resistor
1 x 10k preset
1 x 5v SPDT relay
1 x LM358 IC nrog 8 tus pin ic puag
ob peb xaim
thiab soldering hlau
Kauj Ruam 2: Muab cov Compponents
Muab cov khoom siv raws li daim duab qhia kuv tau muab rau saum toj no
Nco ntsoov tias photodiode yuav tsum tau muab tso rau hauv qhov rov qab tsis ncaj ncees. Kev thim rov qab txhais tau hais tias cathode ntawm photodiode txuas nrog cov hlau zoo los ntawm lub zog hluav taws xob thiab anode txuas nrog 10k resistor.
Yog vim li cas tom qab txuas photodiode hauv kev rov qab tsis ncaj ncees yog, photodiode muaj kev nkag siab ntau dua rau IR hluav taws xob hauv kev rov qab tsis ncaj ncees dua li mus rau qhov tsis ncaj ncees thiab muab kev tiv thaiv ntau dua thaum tsis koom nrog IR rays.
Tus Pin 3 ntawm IC puag yog txuas nrog kev sib txuas qhov twg photodiode thiab 10k resistor txuas nrog
thiab tus pin 2 ntawm IC puag yog txuas nrog tus pin nruab nrab ntawm 10k preset (qhov sib txawv resistor).
Cov zis tau txais ntawm tus pin1 ntawm IC puag
Kauj Ruam 3: Kev Sib Txuas ntawm Relay
Relay muaj ob tus pin rau kauj thiab tsis muaj, NC thiab tus pin sib xws.
Cov zis los ntawm IC tau txuas rau ib tus pin ntawm cov kauj thiab lwm tus pin ntawm cov hlua txuas nrog hauv av.
xijpeem cov cuab yeej koj xav khiav ntawm kev xa lossis khoom siv yuav tsum txuas nrog COM thiab NC tus pin ntawm kev sib txuas ua ke. Txhais tau tias koj xav txuas koj lub teeb hmo ntuj rau kev xa rov qab, tsuas yog txiav cov xaim hluav taws xob los ntawm AC muab rau lub teeb hmo ntuj.
Tam sim no koj lub teeb hmo ntuj tau txuas rau AC cov khoom siv los ntawm ib qho xaim thiab lwm tus tau txiav los ntawm koj.
Tam sim no siv qhov kawg ntawm kev txiav cov hlau ntawm lub teeb hmo ntuj thiab cov laug rau tsis muaj tus pin ntawm kev xa xov thiab qhov kawg ntawm cov xov hlau txiav los ntawm AC cov khoom siv txuas rau COM tus pin ntawm kev xa tawm.
Kauj ruam 4: Ua haujlwm
Thaum nruab hnub, lub hnub tshav tawm lub hnub tshav nrog IR duab hluav taws xob uas kuaj pom los ntawm kab hluav taws xob yog li nws muab lub teeb liab rau LM358 IC uas ua kom lub teeb liab loj thiab muab qhov hluav taws xob txaus kom rov ua haujlwm.
Yog li qhov txuas ntawd TSIS tus pin ua NC, thiab yog li koj lub teeb hmo ntuj tsis ua haujlwm.
Raws li hnub poob, IR hluav taws xob hauv qhov chaw mus qis thiab yog li photodiode tsis xa cov teeb liab mus rau LM358 thiab vim li no tag nrho cov hluav taws xob tsis ua haujlwm tshwj tsis yog kev xa tawm, NC tus pin qhib thiab ua tiav Circuit Court ntawm AC mov thiab teeb hmo ntuj, thiab yog li koj hmo ntuj teeb ci !! !
Yog tias koj nyiam kuv cov ntawv thov nias like thiab subscribe kuv tus youtube channel rau ntau cov yeeb yaj kiab thiab ntau qhov haujlwm txias
Nov yog qhov txuas rau kuv tus youtube channel
youtube channel
Pom zoo:
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