Cov xwm txheej ua haujlwm 1. Lub hwj chim capacitor yuav tsum paub meej tias sab laug voltage txo mus rau qhov ntsuas hluav taws xob 10% rov qab los tom qab lub hwj chim raug txiav tawm, feem ntau nws yuav luag 200s.yog li nws yuav xaiv lub hwj chim maub los uas muaj input thiab reput xauv lub sij hawm muaj nuj nqi tom qab txiav tawm lub hwj chim.Yog tias xaiv ib txwm siv fais fab maub los, nws yuav tsum teeb tsa cov khoom siv hluav taws xob nrawm.nws yuav tsis txwv qhov uas siv los siv tib lub tswv yim hluav taws xob thiab nti hloov.2. Qhov siab...
Muaj nuj nqi thiab nta 1. LCD zaub 6+2 2. Bi-directional tag nrho active zog ntsuas, rov qab active zog ntsuas nyob rau hauv tag nrho cov active zog 3. Txhua tus neeg siv teb rau ib daim card, zoo tiv thaiv los ntawm forgery 4. Thaum siv hluav taws xob siv. nce, nws yuav tsum raug txiav tawm txiav tawm 5. Nws pib txiav tawm rau kev tshaj tawm 6. Daim npav IC lub zog muag kev tswj hwm muaj lub luag haujlwm raws li lub zog muag thiab siv kev tswj 7. Pulse LED qhia txog kev ua haujlwm ntawm meter, Pulse output wi ...
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