Gwaro Rekusangana Kweredhiyo Rinotakurika Rekufamba
Maredhiyo anotakurika achiri chishandiso chakakosha pakufamba, kunyanya kana uri munzvimbo dzisina kugamuchirwa zvakanaka nefoni, kufamba netsoka, kumisasa, kana kufamba rwendo rurefu kunze kweguta. Kunze kwevaraidzo, maredhiyo anobatsirawo pakuwana ruzivo rwekukurumidzira senge mamiriro ekunze akaipa, yambiro dzenjodzi, kana mamiriro emota dzemuno. Kuvaka redhiyo yako inotakurika kune mamwe mabhenefiti: unogona kugadzirisa mhando yeruzha, hupenyu hwebhatiri, saizi, uye kunyange maficha akadai seantenna iri nani kana kesi yakasimba. Chinyorwa chino chichakutungamira mukuvaka redhiyo inotakurika yakavimbika, diki, uye inoshamwaridzana nekufamba.
1. Sarudza rudzi rweredhiyo inofanira kuunganidzwa
Usati watenga zvinhu, tanga waona zvaunoda. Pakufamba, pane sarudzo nhatu:
1. FM redhiyo chete: zviri nyore kushandisa, kushandisa simba shoma, zvinhu zviripo zviri nyore. Zvakakodzera varaidzo neruzivo rwemunharaunda.
2. Redhiyo yeAM/FM: inochinjika zvakanyanya nekuti AM inobatsira pakutepfenyura kure munzvimbo dzakasiyana, asi circuit inogona kunzwa ruzha zvishoma.
3. Nhepfenyuro yemabhandi akawanda kana yeshortwave (SW): yakakodzera kufamba pakati penzvimbo dzakasiyana kana nzvimbo dziri kure. Zvisinei, kuunganidza kwakaoma uye kazhinji kunoda mamodules akakosha.
Kune vanotanga, sarudzo inonyanya kushanda ndeye redhiyo yeFM inotakurika yakavakirwa pamodule yekugamuchira yakagadzirira kushandiswa. Mamodule mazhinji ekugamuchira eFM anowanikwa nhasi ane mhando yakanaka, madiki, uye ari nyore kubatanidza.
2. Rondedzero yeZvikamu Zvikuru Zvinodiwa
Zvikamu zvinotevera zvinowanzo shandiswa paredhiyo dzekufambisa dzinotakurika:
– Module yekugamuchira redhiyo: semuenzaniso, module yekugamuchira FM ine analog audio output (L/R). Sarudza module yakagadzikana uye ine kunzwa kwakanaka.
– Ma-amplifiers madiki eaudio: semuenzaniso, mamodules e-amplifiers ekirasi D (akadai seaya akajairika e3W–5W). Kirasi D inoshanda zvakanaka nemabhatiri.
– Masipika: 2–3 inches zvakakwana. Sarudza masipika e4Ω kana 8Ω zvichienderana neamplifier yako.
- Magetsi:
– Sarudzo 1: 18650 bhatiri (masero 1–2) + module yekuwedzera/kudzika zvichienderana nezvinodiwa nemagetsi.
– Sarudzo yechipiri: 3,7V Li-Po bhatiri + module yekuchaja.
– Module yechaja: Module yechaja yeUSB (yakadai seTP4056 ye 1 lithium cell) kuitira kuti ikwanise kuchajwazve kuburikidza ne power bank.
– Switch yeON/OFF uye potentiometer yevhoriyamu (kana isati yatovepo paamplifier).
– Antena: tambo yeantenna iri nyore, antenna ye telescopic, kana kushandisa antenna traces pamodule.
– Chivharo: unogona kushandisa bhokisi repurasitiki/ABS, kana kudhinda chivharo che3D.
– Tambo, simbi inonamira, zvikochekedzo zvidiki, screws, uye insulation.
Zvimwe zvikamu (sarudzo asi zvinobatsira):
– Chiratidzo chebhatiri (mini voltage meter kana LED indicator module).
- Sefa yeruzha (capacitor neferrite bead) kuderedza ruzha kana kupindira.
- Kugadzirisa bhatani kana encoder (kana module ichitsigira kudzora kwekunze).
3. Kugadzira Chirongwa Chiri Nyore
Kazhinji, kuyerera kwesystem kwakadai:
Bhatiri → module yekuchaja → switch → module yekugamuchira + module yeamplifier → speaker
Kana receiver neamplifier zvikada mavoltage akasiyana, shandisa step-up/step-down module. Mazhinji ma FM receiver modules anoshanda pa3,3V–5V, nepo ma class D amplifiers achiwanzoshanda pa5V. Unogona kustandard kusvika pa5V uchishandisa step-up module kubva pabhatiri re3,7V, asi iva nechokwadi chekuti magetsi akakwana.
Kuti redhiyo yako ive nyore pakufamba, tanga nekutevera zvinotevera:
- kushandiswa kwesimba kushoma,
- ruzha rwacho runonzwika zvisina kukanganiswa,
- network haikanganisike zviri nyore,
- kuchaja zviri nyore kuburikidza neUSB.
4. Sarudza Zvishandiso Zvinonyanya Kushanda
Pamidziyo yekufambisa, mabhatiri e lithium ndiwo anonyanya kufarirwa nekuda kwesimba rawo rakawanda uye huremu hwawo hwakareruka. Magadzirirwo ari nyore:
– 1x 18650 + TP4056 + step-up 5V: iri nyore, yakajairika, uye inogona kuchajwa kuburikidza ne micro-USB/USB-C (zvichienderana ne charger module).
- Wedzera dziviriro yebhatiri kana module yekuchaja isina circuit yedziviriro.
Kana ukashandisa masero maviri e18650 akatevedzana (7,4V), unogona kuadzikisa ne buck converter, asi system yacho inova yakaoma. Kune ma radio madiki, sero rimwe chete rinowanzo kukwana.
5. Danho reKuungana: Nhanho neNhanho
Danho 1: Edza maModules Akasiyana
Usati wasanganisa, edza module yega yega:
- batanidza chinogashira kune simba,
- tarisa kana uchikwanisa kuona nhepfenyuro,
- batanidza odhiyo inobuda paanogamuchira kune amplifier,
- iva nechokwadi chekuti maspika anonzwika zvakajeka.
Kuedza kwekutanga uku kwakakosha kuitira kuti usazonetseka nekutsvaga matambudziko kana zvese zvaiswa mubhokisi.
Danho rechipiri: Unganidza Tambo yeMagetsi
Isa charger module woibatanidza nebhatiri. Kubva pabhatiri rinobuda, batanidza ON/OFF switch kune step-up module (kana zvichidikanwa), wobva wagovera simba kune receiver neamplifier. Shandisa tambo yakakora zvakakwana kuti nzira yemagetsi isadzike.
Danho rechitatu: Batanidza Mutsetse weAudio
Kubuda kweaudio kwemugamuchiri (L/R kana mono) kunoenda kune amplifier's input. Kana receiver iri stereo uye speaker iri single, unogona kusanganisa L neR channels uchishandisa resistors mbiri (semuenzaniso, 1kΩ–4,7kΩ) kudzivirira channels kuti dzisa "dhonzana". Kubuda kweamplifier kunobva kwaenda kune speaker.
Danho rechina: Isa Antena nemazvo
Antena yakakosha pakugamuchira zvakanaka. Kune FM, antena yewaya inosvika 70–80 cm inowanzo kukwana. Pakufamba, antena yeteresikopu inoshanda zviri nani uye inogona kutungamirirwa. Chengeta antena kure netambo dzemagetsi nemamodule ekuwedzera, sezvo zvichigona kuwedzera ruzha.
Danho rechishanu: Kurongeka kweZvikamu muKesi
Ronga nzvimbo:
– masipika ari pamberi (ekugocha kana kuti gomba reruzha),
- module yekugamuchira iri pedyo neantenna asi isina kubatanidzwa padanho rekusimudzira,
- module yekuchaja iri pedyo nechiteshi cheUSB kuti ive nyore kuwana,
- bhatiri rakaiswa zvakasimba (uchishandisa bracket kana furo).
Iva nechokwadi chekuti hapana simbi dziri pachena dzinogona kupfupika. Shandisa insulation, heat shrink, uye cable ties kuti zvinhu zvigare zvakachena.
6. Mazano ekuderedza Ruzha uye Humming
Maredhiyo anotakurika akavakirwa pamodule anowanzo tambura neruzha nekuda kwema "power converters" kana kuti tambo dzakazara. Kuti uwane mhedzisiro yakanaka:
– shandisa ma capacitor ekuparadzanisa (semuenzaniso 100nF + 10µF) pedyo ne receiver uye amplifier power pins,
- paradzanisa nzira yeaudio kubva kune nzira yemagetsi,
- kana uchishandisa step-up switching, sarudza module yemhando yepamusoro kana kuwedzera LC filter,
– iva nechokwadi chekuti pasi rakabatana zvakanaka (dzivisa zvirukwa zviri nyore zvepasi).
Kana ukanzwa ruzha ruchirira uchichaja uchiteerera redhiyo, izvi zvakajairika kune mamwe magadzirirwo. Mhinduro: shandisa bhatiri paunenge uchichaja uye chaja kana redhiyo isiri kushandiswa, kana kuisa module iri nani yekugadzirisa simba.
7. Ita Kuti Redhiyo Isafambe
Kufamba kunoda michina yakasimba uye yakachengeteka. Rangarira zvinotevera:
- sarudza kabhokisi kakobvu keABS kana bhokisi reprojekiti rakasimba,
- wedzera furo rekudzivirira kubva pakudonha,
- shandisa screws dzakasimba uye zvinosungirirwa zvemaspika,
- gadzira mhepo yakakwana kuitira kuti kupisa kweamplifier kusabatike,
- kana ikashandiswa nguva dzose panze, funga nezverabha kana chisimbiso chakareruka chekuderedza guruva.
Unogonawo kuwedzera tambo kana clip kuti redhiyo ive nyore kutakura. Pakushandisa panze, redhiyo yakareruka asi isina kusimba ndiyo musanganiswa wakanakisisa.
8. Kuedza Kwekupedzisira uye Kugadzirisa
Kana zvese zvaiswa:
1. edza redhiyo panzvimbo dzakasiyana-siyana (mukati memba, kunze kwemba, nenzvimbo dzakashama),
2. Tarisa hupenyu hwebhatiri: maawa mangani ekushandisa pahuwandu hwepakati,
3. Iva nechokwadi chekuti kuchaja bhatiri kwakasimba uye hakukonzeri kupisa zvakanyanya,
4. Tarisa hunhu hwenzwi pahuwandu hwakasiyana-siyana kuti usakanganiswa.
Kana kugamuchira nhepfenyuro kusina kusimba, edza:
- chinja nzvimbo yeantenna,
- bvisa module yekugamuchira kubva pa power converter,
- shandisa antenna yeteresikopu yakareba kana yepamusoro.
9. Mazano Ekuvandudza Zvinhu
Kana uchida redhiyo "yakakomba" yemugwagwa, zvimwe zvinonakidza zvekuvandudza:
- chiratidzo chebhatiri,
- tochi diki yakabatanidzwa (inobatsira pakukambika),
- masipika makuru kana ma radiator asingashande ebass yakajeka,
- AUX input kuitira kuti ive speaker inotakurika,
- panel diki yezuva seimwe nzira yekuchaja (inoda kudzora kwakakodzera kwekuchaja).
Penutup
Kugadzira redhiyo inotakurika yekufambisa hakufanirwe kuve kwakaoma. Nekushandisa module yekugamuchira iri nyore kushandisa, amplifier yekirasi D inoshanda nesimba, bhatiri re lithium rinochajwazve reUSB, uye bhokisi rakasimba, unogona kugadzira redhiyo diki iri nyore kutora chero kupi. Zvinokosha kuti ubudirire zviri mukuronga magetsi, kuronga zvikamu zvakanaka, uye kuisa antenna zvakanaka. Kana wapedza, hauzovi nemudziyo wekuvaraidza chete asiwo chishandiso cheruzivo chakavimbika kana internet isina kugadzikana.
Kana muchida, ndinogona kukubatsirai kugadzira shanduro yehunyanzvi: sarudzo dzemamodule chaiwo, madhayagiramu ekubatanidza waya akadzama, fungidziro yemitengo, uye mazano ehukuru hwemakesi uye marongero emapaneru epamberi (magrill esipika, mabhatani, uye madoko eUSB).
