Diodes yog cov khoom siv hluav taws xob nrog cov khoom ntiag tug ntawm ib-sab sau. Sijhawm dhau los, lub tshuab nqus tsev thiab roj tso tawm diodes tau siv dav. Tam sim no, yog tias peb tham txog diodes, tom qab ntawd, raws li txoj cai, lawv txhais tau hais tias semiconductor sawv daws yuav. Qhov one-sided conductivity cuab yeej ntawm diodes yog dav siv rau kev txhim kho tam sim no.
Tsim nyog
soldering hlau, flux, ham
Cov Lus Qhia
Kauj ruam 1
Muaj ib txoj cai dav dav - txhawm rau kom zoo solder ib diode, koj yuav tsum coj mus rau hauv tus account nws polarity, txwv tsis pub nws yuav tsis ua haujlwm. LEDs feem ntau muaj lub kav ntev txuas rau qhov zoo electrode (anode) thiab lub luv luv txuas nrog rau qhov tsis zoo electrode (cathode). Rau lwm cov diodes, cov anode yog cim nrog lub ces kaum, thiab cov cathode tau cim nrog "-". Txawm li cas los xij, koj tsis tuaj yeem tso siab rau qhov no, vim tias tsis yog txhua lub tuam ntxhab cim cov khoom siv hluav taws xob kom zoo li no. Siv ib lub ohmmeter lossis multimeter rau hauv ohmmeter hom, ntsuas qhov tsis kam ntawm lub diode. Hauv cov kev taw qhia tom ntej, thaum "+" tau thov rau lub anode thiab "-" mus rau cathode, qhov tsis kam ntawm lub diode yog 0, hauv kev coj rov qab nws yog qhov siab heev.
Kauj ruam 2
Tom qab koj tau txiav txim siab meej qhov polarity ntawm lub diode, koj tuaj yeem muag nws rau hauv Circuit Court. Siv lub diode nrog tweezers. Ua kom kub siab rau soldering hlau, poob qhov taub rau hauv flux thiab khiav nws raws ob txhais ceg ntawm diode, tom qab ntawd muab qee tus cam hauv ntsis thiab rov khiav nws raws ob txhais ceg - tin lawv. Ntxig lub diode rau hauv qhov chaw npaj tau raws nraim hauv lub polarity. Yog hais tias koj yog soldering ntau lub diodes, tso lawv kom cov cathodes nyob rau hauv ib kab thiab cov anodes nyob rau lwm qhov. Txhawm rau txhawm rau kho qhov seem ntawm lub rooj tsavxwm, ntawm sab nraub qaum, cais cov coj ntawm cov electrodes hauv ntau qhov kev qhia. Yog tias txhais ceg ntev ntev, txiav lawv txiav nrog hlau xaim.
Kauj ruam 3
Tso qee cov tshuaj pleev rau lub taub hau ntawm cov hlau soldering thiab siv nws mus rau qhov chaw sib cuag. Tom qab ham pib yaj, khiav lub hau hla qhov cheeb tsam kom tusyees thov cov solder rau ntawm qhov chaw yuav tsum soldered.
Kauj ruam 4
Thaum soldering LEDs, coj mus rau hauv tus account lawv qhov rhiab heev rau kev thauj khoom tam sim no. Txhawm rau txwv tam sim no, txuas lub resistor hauv series nrog LED hauv hluav taws xob. Laij cov tsis kam raws li qhov ntsuas tam sim no rau LED no.
