Cov txheej txheem:
Video: Tsaus Sensor Siv OpAmp: 3 Cov Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:24
Kuv tau ua qhov ntsuas qhov ntsuas qhov tsaus ntuj siv ntau yam sib txawv xws li 555-timer ic, transistor thiab OpAmp
tab sis qhov Circuit Circuit OpAmp feem ntau ntseeg tau.
Khoom siv
1 LRR (photoresistor)
2 yam OpAmp (741)
3 tus nqi siab dua tus tiv thaiv 100k (kwv yees) Kuv siv 150k ohm
4 qis tus nqi resistor 1k ohm
5 10k potentiometer
tam sim no txwv resistor (220 ohms)
Kauj ruam 1: Voltage Dividers
1. Tsim kom muaj qhov faib hluav taws xob siv tus tiv thaiv (tus nqi siab dua) (100K) thiab L. D. R
2. Ntsuas qhov ntsuas hluav taws xob hla LDR raws li koj lub zog siv thiab sau tseg.
3. Tsim dua lwm qhov kev faib hluav taws xob siv tus tiv thaiv (tus nqi qis) (1K) thiab lub zog ntsuas hluav taws xob (10k).
4. Ntsuas qhov ntsuas hluav taws xob hla lub hwj chim thiab teeb nws mus rau qhov ntsuas hluav taws xob (sau tseg).
Kauj ruam 2: OpAmp Circuit
1. Txuas Vref (qhov faib hluav taws xob thib ob) mus rau lub davhlau ya nyob twg ntawm OpAmp.
2. Txuas thawj qhov faib hluav taws xob ntawm qhov chaw mus rau qhov tsis hloov pauv ntawm OpAmp.
3. Connect V (+) rau Vcc thiab v (-) rau GND.
4. Txuas lub davhlau ya nyob twg tso rau hauv anode ntawm coj thiab cathode rau GND ntawm 220-ohm resistor.
Kauj ruam 3:
kuv tus YouTube channel
Pom zoo:
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