Mapurojekiti eElektroniki eVatangi

Yakagadziridzwa kekupedzisira: Chivabvu 2026 · Gwaro rekutanga rinoitwa nemaoko revadzidzi, vanofarira zvemitambo, uye vanogadzira zvinhu vakazvidzidzisa vega

Mapurojekiti emagetsi ekutanga akanakisa ari nyore, akachipa, uye anodzidzisa pfungwa imwe chete yakajeka panguva imwe chete - uye anovakirana, saka papurojekiti yegumi unonzwisisa kuganhurira kuripo, nguva, switching, sensing, uye kunyange microcontrollers. Gwaro iri rinokupa macircuit gumi ekare nenzira ine musoro, zvinodzidziswa nerimwe nerimwe, uye zvikamu zvishoma zvaunoda. Vavake pabhodhi rechingwa risina solder kutanga, fambisa aunoda kuenda kubhodhi resoldered, uye kana purojekiti yacho yakanaka zvakakwana kuti ichengeterwe kana kugovaniswa, ishandure kuita PCB chaiyo. Zvese pano zvinoshandisa mabhatiri akachengeteka, ane voltage shoma.

Zvaunoda Kutanga Mapurojekiti Emagetsi

Kiti diki, isingadhuri inofukidza basa rega rega riri pazasi:

10 Mapurojekiti Emagetsi Ekufambisa Emagetsi Ari Nyore Kune Vanotanga

1. Batidza LED ine resistor inoganhurira magetsi

Zvainoita: kubatidza LED imwe chete. Zvaunodzidza: Mutemo weOhm uye nei LED ichida resistor yakatevedzana. Saizi yacho neR = (V _supply − V _LED ) / I — semuenzaniso, 9 V supply, LED tsvuku (~2 V), uye 10 mA inopa (9 − 2)/0.01 = 700 Ω, saka shandisa standard 680 Ω. Zvikamu zvepakati: LED, resistor, bhatiri. Iyi ndiyo "nyika yemhoro" yemagetsi uye hwaro hwezvimwe zvese.

2. Flasher ye LED ine timer ye555

Zvainoita: inobatidza nekudzima LED. Zvaunodzidza: 555 timer mu astable mode uye kuti RC network inoisa sei nguva — frequency ≈ 1.44 / ((R1 + 2·R2)·C). Chinja R kana C uye blink rate inochinja. Zvikamu zvepakati: 555 IC, resistors mbiri, capacitor, LED. Iyo 555 ndiyo chip inobatsira zvikuru iyo mutangi anogona kudzidza.

3. Chinopenya che transistor chine ma transistor maviri (chinopenya chine simba)

Zvainoita: inovheneka maLED maviri achichinjana. Zvaunodzidza: ma transistors anochinjana sei uye kuti circuit yeRC yakabatana sei inotenderera — pfungwa imwecheteyo ne555, yakavakwa kubva muzvikamu zvakasiyana. Zvikamu zvepakati: ma NPN transistors maviri, ma capacitor maviri, ma resistors mana, ma LED maviri.

4. Chiedza cheusiku chinozviitikira chega (LDR dark sensor)

Zvainoita: kubatidza LED kana kwasviba. Zvaunodzidza: ma voltage dividers uye sensing — LDR (light-dependent resistor) uye fixed resistor zvinoumba divider ine midpoint voltage inoteedzera level yechiedza, ichityaira transistor inochinja LED pa threshold. Zvikamu zvepakati: LDR, resistor, transistor, LED. Chinja LED ne relay uye une automatic lamp switch.

5. Transistor touch/sundidzira switch

Zvainoita: kuvhura mutoro nebhatani kana kubata nemunwe. Zvaunodzidza: kushandisa transistor seswitch, base resistors, uye kuti small current inodzora sei hombe. Zvikamu zvepakati: NPN transistor, resistors, push-button kana touch pads, LED.

6. Bhora remusuwo riri nyore / bhero remusuwo

Zvainoita: inonzwika sebuzzer kana bhatani radzvanywa. Zvaunodzidza: kutyaira chinobuda chinonzwika uye (zvingasarudzwa) kushandisa transistor kuchinja buzzer inoda simba rakawanda kupfuura rinofanira kutakurwa nebhatani. Zvikamu zvepakati: buzzer, push-button, transistor, resistor.

7. Chiratidzo chebhatiri / voltage

Zvainoita: kuvheneka maLED kuratidza mwero wevoltage. Zvaunodzidza: macomparators nemathresholds — mutsara wemaLED anobatidza zvakatevedzana sezvo voltage ichikwira, ichidzidzisa mareference voltages uye maitiro ekuverenga mwero weanalog. Zvikamu zvepakati: maLED, ma resistors, uye ma transistors kana kuti LED-bar driver IC yakatsaurirwa.

8. Alarm yemvura kana mvura inonaya

Zvainoita: kurira kana mvura yakabatana nemapurobe maviri. Zvaunodzidza: kushandisa conductivity senzira yekupinda uye kukonzera kubuda — mvura iri pakati pemakonzo maviri inopedzisa base circuit uye inobatidza buzzer. Zvikamu zvepakati: mapurobe maviri, transistor, resistor, buzzer.

9. Kugadziriswa kwebhenji rine LM317

Zvainoita: inogadzira voltage yeDC inochinja-chinja, inodzorwa. Zvaunodzidza: kudzorwa kwevoltage uye mhinduro — kubuda kweLM317 kunotevera V _out = 1.25 × (1 + R2/R1), saka potentiometer inoisa voltage. Zvikamu zvepakati: LM317 regulator, resistors/pot mbiri, capacitors. Chishandiso chinobatsira zvechokwadi chaucharamba uchishandisa.

10. Microcontroller "blink" (Arduino)

Zvainoita: inobwaira LED iri pasi pekudzorwa nesoftware. Zvaunodzidza: kusvetuka kubva kumasekete akagadziriswa kuenda kune anogona kurongwa — kurodha kodhi, kubuda kwedhijitari, uye nguva mufirmware panzvimbo pezvikamu zveRC. Zvikamu zvepakati: Bhodhi rinoenderana neArduino, LED, resistor. Izvi zvinovhura mukana wekuona masensa, madhiraivha, uye mapurojekiti akabatana.

Zvinodzidziswa nePurojekiti Yese Yemagetsi Yevatangi

Nzira yekuvaka: Breadboard kuenda kuProtoboard kuenda kuPCB

Shandisa nzira imwe chete iyo nyanzvi dzekufambira mberi kwematanho matatu dzinoshandisa:

1. breadboard — gadzira uye gadzirisa purojekiti yega yega pasina kusungirirwa, uchichinjana zvikamu zvakasununguka kusvika yashanda.
2. Protoboard (bhodhi repamusoro) — solder circuit inoshanda pabhodhi repamusoro kuitira kuti rive chivakwa chinogara kwenguva refu, chakasimba chaunogona kuchengeta kana kuisa muchivako.
3. Custom PCB — kana uchida shanduro diki, yakavimbika, inogona kudzokororwa (yekupa chipo, kutengesa, kana kuvaka akawanda acho), gadzira PCB woigadzira uye kuigadzira.

Kuchinja kubva pabhodhi rekugadzira zvinhu kuenda pabhodhi rekugadzira zvinhu chairo ndiyo nzira yakanakisisa yekudzidza dhizaini yePCB — unotora dunhu raunotonzwisisa worishandura kuita bhodhi rinogadzirwa.

Mazano eEmagetsi eVatangi uye Kuchengetedzwa

• Gara uine voltage shoma. Zvese pano zvinomhanya nemabhatiri kana 5 V supply — usambodzidzira kushandisa mains voltage.
• Mind LED uye electrolytic polarity. Ma capacitor emagetsi akadzoserwa kumashure uye ma resistors e LED asipo ndiwo zvikanganiso zviviri zvinonyanya kuitika kune vanotanga.
• Tarisa simba uye pasi kaviri usati washandisa simba. Bhatiri rakadzoserwa kumashure rinogona kuparadza maIC ipapo ipapo.
• Shandisa multimeter. Yera voltages uye tarisa kuenderera mberi kwete kufungidzira.
• Verenga mapepa edata. Mapinouts uye ma ratings epamusoro e555, transistors, uye LM317 zvese zviri mumasheet avo edata.
• Chinja chinhu chimwe panguva paunenge uchigadzirisa dambudziko, saka unodzidza zvinoitwa neshanduko yega yega.

Kushandura Purojekiti Yekutanga kuita PCB Yechokwadi

Kana purojekiti yawana musha wechigarire, PCB yakagadzirwa inoita kuti ive diki, yakasimba, uye inodzokororwa. Highleap Electronics ikambani yePCB nePCBA iri kuChina inotsigira vagadziri nevadzidzi vari kutora danho iroro, nekushandira United States, Europe, neAsia-Pacific:

• Kugadzirwa kwePCB nekukurumidza kushandura mapuroteni ako ekutanga.
• Musangano wePCB wakaderera yakakwana kune mashoma mayuniti apera.
• DFM wongororo izvo zvinotarisa kuti dhizaini yako yekutanga inogona kugadzirwa here usati wazvipira.
• Muoni weGerber wepamhepo kuti utarise dhizaini yako yakatumirwa kunze kwenyika.

Mibvunzo Inowanzo bvunzwa Pamapurojekiti Emagetsi Ekutanga

Ndeipi chirongwa chemagetsi chiri nyore kune munhu anotanga zvizere?

Kubatidza LED kuburikidza ne resistor inoganhurira magetsi. Inodzidzisa mutemo weOhm uye mutemo mumwe chete unonyanya kushandiswa mumagetsi — nguva dzose gadzirisa magetsi ku LED — uye inoda zvikamu zvitatu chete.

Ndinofanira kuziva here kuti ndotanga sei kugadzira solder?

Kwete. Tanga nebhodhi rekugadzira risina solder, iro risingade maturusi. Dzidza kusona gare gare paunotamisa circuit inoshanda kuenda kubhodhi reprotoboard kana kuvaka PCB.

Ndezvipi zvinhu zvinofanira kutanga zvatengwa nemutangi?

Breadboard nemajumper, multimeter, resistors dzakasiyana-siyana nema capacitors, ma LED akati wandei, ma NPN transistors mashoma, 555 timer, LDR, push-button, small buzzer, uye 9 V battery. Izvi zvinofukidza purojekiti yega yega iri pane iyi runyorwa.

Ko 555 timer yakanaka kune vanotanga here?

Ehe — ndeimwe yemachipisi ekudzidza akanakisa. Nema resistors nema capacitor mashoma unogona kugadzira ma blinkers, ma timers, uye ma tones, uye uchadzidza RC timing inoshanda mune zvemagetsi.

Ndinofanira kutamira rini kubva pabhodhi rekugadzira zvinhu kuenda kuPCB?

Kana purojekiti ichishanda uye uchida kuti igare kwenguva refu, idiki, yakavimbika, kana kuti inokwanisa kudzokororwa. Itengese pabhodhi reprotoboard kamwe chete, kana kugadzira PCB kana uchida bhodhi rehunyanzvi, rinodzokororwa — inovawo nzira yakanaka yekudzidza marongerwo ePCB.

Mapurojekiti aya akachengeteka here?

Ehe, kana ukashandisa bhatiri kana USB ine voltage shoma, cherechedza polarity yezvikamu, uye usamboshanda pamagetsi emagetsi makuru. Mapurojekiti eDC ane voltage shoma akadai ndiyo nzira yakachengeteka yekudzidza.

Ndingakwanisa here kugadzira purojekiti yangu yekutanga pabhodhi rakakodzera nemutengo wakaderera?

Ehe. Kugadzirwa kwePCB yemuenzaniso uye kubatanidzwa kwevhoriyamu shoma zvinodhura uye zvinokurumidza, uye ongororo yeDFM inobatsira mugadziri wekutanga kudzivirira zvikanganiso zvekugadzira asati araira.

Ndeipi nzira yakanaka yekuvaka mapurojekiti aya?

Tanga ne LED-and-resistor circuit kuti udzidze mutemo weOhm uye polarity, wobva washandisa transistor switch uye LDR night light kuti uone kuti chiratidzo chidiki chinodzora sei mutoro mukuru. Enda kune 555 flasher uye toni projects kuti udzidze RC timing, wobva washandisa voltage indicator uye water alarm kuti ubatanidze sensing ne output. Pedzisa neLM317 supply uye Arduino blink, iyo inobatanidza power regulation uye programmable control - magonhi maviri anopinda mune electronics dzepamusoro.

Ndeapi mamwe mapurojekiti ari nyore emagetsi evanotanga vane madhayagiramu?

Magadzirirwo ekutanga akanaka ane madhayagiramu edunhu akareruka anosanganisira dunhu re LED-and-resistor, flasher ye LED ye555-timer, mwenje weusiku weLDR unonzwa chiedza, switch ye transistor, uye "blink" yeArduino - zvese zvataurwa pane iyi rondedzero. Imwe neimwe inoshandisa zvikamu zvishoma zvisingadhuri, inodzidzisa pfungwa imwe chete, uye inoshanda zvakachengeteka nebhatiri kana simba re USB rine voltage shoma.