Chii chinonzi Zero PCB? Yekutanga-Yehushamwari Inotungamira kune DIY Prototyping Mabhodhi

ziviso

Zero PCB ibhodhi-yechinangwa prototyping board ine gidhi yemakomba akafanocherwa pasina chero yakafanotsanangurwa yemhangura. Kusiyana neakadhindwa akadhindwa edunhu mabhodhi ane yakamisikidzwa nzira, zero PCB inobvumira mainjiniya uye hobbyists kuti vagadzire maseketi echinyakare kuburikidza nemaoko ekubatanidza zvikamu kuburikidza nekutengesa.

Nei Zero PCBs Dzakakurumbira muPrototyping

MaPCB asina kushandiswa anoshanda sezvishandiso zvakakosha pakudzidza zvemagetsi uye nekukurumidza kugadzira maprototype. Anovhara musiyano uripo pakati pekuyedzwa kwebhodhi rekugadzira chingwa nekugadzira maPCB ehunyanzvi , achipa mhinduro inogara iripo asi inochinjika yekuvandudza macircuit. Vadzidzi, mainjiniya, nevagadziri vanovimba nemabhodhi aya kuti vasimbise magadzirirwo vasati vazvipira kugadzira zvinhu zvakagadzirwa nevanhu.

Zero PCB vs Standard Manufactured PCB

MaPCB akajairwa ane ma trace emhangura akachekwa nefekitori, mamasiki ekusolder, uye ma markings e silkscreen akagadzirirwa maseketi chaiwo. Kusiyana neizvi, ma PCB asina chinhu anopa ma canvas asina chinhu apo vashandisi vanotsanangura zvese zvinobatanidzwa. Musiyano uyu unoita kuti ma PCB asina chinhu akakodzera ma prototypes ega ega nepo mabhodhi akagadzirwa achibudirira munzvimbo dzekugadzira.

Zvauchadzidza

Iri gwara rinobata zero PCB zvakakosha, misimboti yekushanda, mhando dzebhodhi, anoshanda maapplication, zvakanakira, zvipimo, uye nhungamiro pakusarudza pakati zero PCB prototyping uye tsika PCB kugadzira kumapurojekiti ako.

Chii chinonzi Zero PCB?

Tsanangudzo uye Terminology

Zero PCB — inodaidzwawo kuti general-chinangwa PCB, perfboard, kana dot-matrix PCB — ibhodhi rekufananidzira rine maburi akaenzana akakomberedzwa nemapadhi emhangura. Pedhi yega yega inoramba yakasarudzika nemagetsi, ichipa vashandisi rusununguko rwakakwana rwekugadzira chero yedunhu topology kuburikidza nemanyorero wiring uye soldering.

Kwakabva Zita rekuti "Zero PCB"

Izwi rekuti "zero" rinoreva kusavapo kwemugadziri-anotsanangurwa wedunhu. Ne zero pre-routed traces uye zero preset yekubatanidza, aya mabhodhi anosvika asina chinhu substrates. Vashandisi vanovaka maseketi kubva kutanga, nekudaro zita rekuti "zero" rinoratidza kuti hapana kugadziridzwa kwefekitori.

Unhu Hwakakosha

Zero PCBs dzinogovera akati wandei anotsanangura maficha:

• Hapana akafanotsanangurwa mhangura anoteedzera pakati pemapedhi;
• Giridhi yunifomu yekupfuura-maburi ekuiswa kwechikamu;
• Yakazara mushandisi kutonga pamusoro pedunhu routing.

Aya maitiro anoasiyanisa kubva kune-application-chaiwo mabhodhi ane akagadziriswa marongero.

Common Materials

Vagadziri vanogadzira hapana maPCB vachishandisa zvinhu zvakasiyana-siyana. FR-4 fiberglass inopa kugara kwenguva refu uye kudzivirira kupisa pakushandiswa kwakaoma. Zvinhu zveFR-2 phenolic uye zvemapepa zvinopa sarudzo dzisingadhuri dzemaseketi ari nyore. Kusarudzwa kwezvinhu zvinoenderana nezvinodiwa nekupisa, kushushikana kwemuchina, uye bhajeti shoma.

Zero PCB Inoshanda Sei?

Hole Matrix uye Spacing

Yakajairwa zero PCBs inoshandisa 2.54 mm (0.1 inch) gomba spacing, inoenderana nepini yepini yeakawanda kuburikidza-gomba zvikamu zvinosanganisira DIP akasanganiswa maseketi, resistors, uye capacitors. Iyi nzvimbo yepasirese inovimbisa kuenderana neakajairika zvikamu zvemagetsi uye inorerutsa kuisa chikamu.

Component Mounting

Mishonga inopinza nemaburi kubva kudivi repamusoro, nemitoo inobudira kudivi remhangura-pedhi. Mushure mekuisa, soldering inochengetedza zvikamu zvemagetsi uye inogadzira magetsi ekubatanidza kumapedhi. Iyi kuburikidza-gomba yekuisa nzira inogadzika zvakanyanya discrete zvikamu uye akawanda akabatanidzwa maseketi.

Wiring Nzira

Circuit routing pa zero PCBs inoshandisa akati wandei matekiniki. Solder mabhiriji anobatanidza mapedhi ari pedyo zvakananga. Jumper waya dzinobatanidza nzvimbo dziri kure dzichishandisa insulated hookup waya. Waya yemhangura isina chinhu yakatengeswa pamwe nemitsara yemapadhi inoita mabhazi. Imwe neimwe nzira inokodzera akasiyana edunhu density uye mazinga akaomarara.

Dhizaina Shanduko

Kusavapo kwemaitiro akatarwa kunogonesa chaiyo-nguva yedunhu shanduko panguva yegungano. Mainjiniya anogona kugadzirisa marongero, kuwedzera zvikamu, kana kufambisa nzira dzekubatanidza pasina kuodha mabhodhi matsva. Uku kuchinjika kunoita kuti zero PCB dzive dzakakosha pakuvandudza kwekudzokorora uye matunhu ekuyedza.

Mhando dzeZero PCBs

Single-Sid Zero PCB

Single-sided zero PCBs inoratidzira mapedhi emhangura pane imwe nzvimbo chete. Aya mapuranga anokodzera masekete akareruka ane mashoma ekuyambuka kubatanidza. Mutengo wavo wakaderera uye musangano wakatwasuka unovaita sarudzo dzakakurumbira dzemapurojekiti emagetsi eDIY ekutanga uye maapplication ekudzidzisa.

Kaviri-Sidhi Zero PCB

Kaviri-mativi akasiyana-siyana anopa mhangura pads pane ese ari maviri, achiwedzera zvakanyanya sarudzo dzenzira. Kuburikidza negomba plating inogona kubatanidza kumusoro nepasi. Aya mabhodhi anotora maseketi akaomarara apo nzira yedivi rimwe chete inoratidza kuti haina kukwana kana kugadzira waya yakawandisa.

Stripboard (Veroboard)

Stripboards ine mitsetse yemhangura inoenderera ichimhanya mumitsara yakaenderana kwete mapedhi ega. Iyi gadziriso inorerutsa kubatana kwebhazi uye inokodzera maseketi ane njanji akajairika. Vashandisi vanocheka mitsetse panodiwa kuzviparadzanisa nevamwe. Iyo yakarongeka dhizaini inobatsira yakarongeka prototyping ine nzira dzakajeka dzechiratidzo.

Matrix Perforated Board

Matrix perforated boards anochengetedza ega pads panzvimbo yega yega, achipa yakanyanya dhizaini rusununguko. Hapana hukama hwakafanotsanangurwa huripo pakati pechero pfungwa. Rudzi urwu runoda mamwe manyorero wiring asi anogashira chero chedunhu topology pasina trace-yekucheka magadzirirwo.

Breadboard vs Zero PCB

Mabhodhi echingwa anobvumira kubatana kusina solder uye kunogona kushandiswazve, kwakanakira kuyedzwa kwenguva pfupi. Hapana maPCB anogadzira magungano anogara akasolderwa emhando dzakapedzwa. Sarudza mabhodhi echingwa ekuyedza nekukurumidza uye hapana maPCB kana maseketi achida kugara kwenguva refu, kuvimbika, kana kuiswa kunze kwerabhoritari.

Zvakajairwa Zvishandiso zveZero PCBs

Educational Electronics Projects

Zero PCBs dzinopa mapuratifomu ekudzidza anoshanda evadzidzi vanodzidza zvemagetsi. Kuvaka macircuit nemaoko kunosimbisa pfungwa dzedzidziso, kunovandudza hunyanzvi hwekusonesa, uye kunodzidzisa matekiniki ekugadzirisa matambudziko ayo PCB anogadzira otomatiki asingagoni kutevedzera.

Yakaderera-Volume Prototype Circuits

Mainjiniya anoshandisa maPCB asina kana chinhu kugadzira ma prototypes asati aisa mari mukugadzira maPCB akagadzirwa nemaoko. Mabhodhi aya anosimbisa mashandiro edunhu, anoona zvikanganiso zvekugadzira, uye anogonesa kudzokorora nekukurumidza pasina nguva yekutungamira uye mari yebhodhi rakagadzirwa.

Kuedza Analog uye Digital Circuits

Akareruka analog maseketi senge amplifiers uye mafirita, pamwe neakakosha edhijitari logic, prototype zvinobudirira pazero PCBs. Maseketi ekuyedza ekuona masensor interfaces, chiratidzo chekugadzirisa, uye microcontroller peripherals anowanzo shandisa aya mabhodhi panguva dzekusimudzira.

Kugadzirisa, Kugadziridza, uye IoT Maedzo

Zero PCBs dzinoshanda kugadzirisa zvikumbiro uko kutsiva maseketi kusipo. Ivo zvakare vanotsigira module kugadziridzwa uye zvidiki-zviyedzo zveIoT. Vavaki vehobby vanowanzo sarudza mabhodhi aya echinyakare sensor node, controller, uye imwe-off yemagetsi zvishandiso.

Zvakanakira Zero PCBs

Complete Layout Flexibility

Zero maPCB haaisi zvimhingamipinyi pane wedunhu topology. Vashandisi vanogadzira chero marongerwo anoenderana nenzvimbo iripo. Rusununguko urwu runotsigira magadzirirwo asina kujairika, shanduko yeminiti yekupedzisira, uye zvigadziriso zvekugadzira zvisingagoneke neakagadziriswa-trace board.

Mutengo Wakaderera uye Kuwanikwa Kwakawanda

Zero PCBs inodhura zvakanyanya kudarika mabhodhi-akagadzirwa-akagadzirwa, kunyanya kune imwechete unit. Vatengesi vemagetsi pasi rese vanotakura hukuru hwakasiyana uye marudzi. Kuwanikwa uku kunoita kuti prototyping idhure kune vanofarira hobbyists, vadzidzi, uye bhajeti-vanoziva mapurojekiti ekusimudzira.

Rapid Prototyping Pasina Dhizaini Software

Kuvaka pazero PCB hakudi CAD software, Gerber faira chizvarwa, kana kugadzira kuronga. Mainjiniya anogona kufamba akananga kubva kuchirongwa kuenda kudunhu remuviri, achidzikisa nguva yekusimudzira zvakanyanya kune humbowo-hwe-pfungwa basa uye kuyedza kuvaka.

Yakanakira Kudzidza uye Kuedza

Iyo manyorerwo ekuvaka maitiro anovandudza hunyanzvi hwakakosha hunosanganisira chiziviso chechikamu, tekinoroji yekusimbisa, uye kugadzirisa matambudziko. Aya mabhenefiti edzidzo anoita zero PCBs dzinofarirwa mapuratifomu emagetsi makosi uye kuzvitungamira kudzidza.

Kuganhurirwa kweZero PCBs

Haikodzeri Yepamusoro-Density kana High-Speed ​​Dhizaini

Zero PCBs haigone kugarisa pamusoro-pamusoro-soro zvikamu zvine yakanaka-pitch lead kana bhora-grid arrays. High-speed digital circuits inotambura nekusadzora impedances uye yakawandisa parasitic capacitance inherent in manual wiring approaches.

Manual Routing Inowedzera Kanganiso Njodzi

Kubatanidzwa kwewaya-yemaoko kunouyisa mikana yekukanganisa: nzira isiriyo, majoini anotonhora anotengeswa, uye mabhiriji etsaona pakati pezvitsva. Complex maseketi anoda kunyatsotariswa uye kunyatsoongorora kuti uwane yakavimbika kushanda.

Hapana Solder Mask, Silkscreen, kana Controlled Impedance

Professional PCB maficha senge ekudzivirira solder masks, chikamu chekunyora silkscreens, uye impedance-inodzorwa zviteshi hazvipo kubva zero PCBs. Izvi zvipimo zvinokanganisa kusununguka kwegungano, zvinyorwa, uye kukodzera kweRF inonzwisisika kana yakakwirira-frequency application.

Kuvimbika uye Thermal Constraints

Kuvimbika kwedunhu kunoenderana zvachose nemhando yegungano uye hunyanzvi hwemushandisi. Thermal performance inotambura nenzvimbo shoma yemhangura uye kupisa kwakashata kupararira. Yepamusoro-ikozvino maapplication angangoda ekuwedzera kupisa manejimendi kupfuura izvo zero PCBs inogona kupa.

Mazano Anoshanda Ekushandisa Zero PCBs

Ronga Usati Watengesa

Sketch chikamu chekuisa uye nzira dzekufambisa usati wadziisa yako solder iron. Kuronga kunodzivirira marongero akazara, kunoderedza waya kuyambuka, uye kunoziva zvingangoitika. Kunyange matunhu ari nyore anobatsirwa nokuronga nemaune.

Deresa Hurefu hweWaya uye Shandisa Ruvara Coding

Chengetedza waya dzechiratidzo dziri pfupi kuti uderedze ruzha rwekutora uye parasitic inductance. Shandisa waya dzejumper dzakaiswa mavara nguva dzose-tsvuku yesimba, nhema yevhu, uye mavara akasiyana kune masaini akasiyana. Iyi tsika inorerutsa kugadzirisa matambudziko uye zvinyorwa.

Chengetedza Zvikamu uye Ongorora Majoini

Isa anonamira kuti ugadzikane zvinorema zvikamu usati wasodha. Ongorora majoini ese anotengeswa mabhiriji, majoini anotonhora, uye kusatota zvakakwana. Methodical verification inobata matambudziko pamberi pesimba-kumusoro uye inodzivirira kukuvadzwa kubva kupfupi maseketi.

Kutanga Nyore

Vatangi vekutanga vanofanira kutanga ne-single-sided matrix mabhodhi uye pasi-akaoma maseketi. Vaka kusavimbika kuburikidza nemapurojekiti akabudirira usati waedza dense marongero kana yakakosha maapplication. Chiitiko chinovandudza hunyanzvi hunodiwa kune zvakanyanya kunetsa zero PCB magungano.

mhedziso

Zero PCBs inopa mainjiniya inochinjika uye inoshanda chikuva chekuvaka uye kuongorora maseketi mumatanho ekutanga ebudiriro. Nekurongeka kusina chinhu uye rusununguko rwakazara mukufambisa, vanobvumira kukurumidza kusangana, kugadziridzwa, uye kusimbiswa kwemazano ekugadzira pasina mamwe matanho ekugadzira. Nekunzwisisa kugona uye zvipimo zverudzi urwu rwebhodhi, mainjiniya anogona prototype zvakanyanya uye kufamba kuburikidza yega yega dhizaini iteration nekuvimba kukuru.