Momwe Mungapangire Wailesi Yokhala ndi Kapangidwe Kakang'ono
Kupanga wailesi yaying'ono ndi ntchito yosangalatsa komanso yopindulitsa yamagetsi. Kupatula kuchita masewera olimbitsa thupi oyambira ndi kulandira ma signal, mutha kupanganso chipangizo chogwiritsidwa ntchito bwino. M'nkhaniyi, tikambirana momwe tingapangire wailesi yaying'ono, yogwiritsa ntchito mphamvu zochepa, komanso yabwino, kaya yophunzirira, yosangalatsa, kapena yongoyesera.
1. Kudziwa Lingaliro la Compact Radio
Musanayambe kulumikiza, choyamba sankhani lingaliro la wailesi yomwe mukufuna kupanga. "Compact" sikutanthauza yaying'ono chabe, komanso imatanthauzanso yoyera, yogwira ntchito bwino pakugwiritsa ntchito zigawo, komanso yosavuta kunyamula. Sankhani zosankha zoyambirira pansipa:
– Mtundu wa ma receptor: FM (yofala kwambiri komanso yosavuta), AM (yovuta kwambiri), kapena wailesi ya pa intaneti (imafuna gawo la Wi-Fi).
– Gwero la mphamvu: Batire ya Li-ion ya 18650, batire ya AA, kapena adaputala ya 5V.
- Kutulutsa mawu: mahedifoni, ma speaker ang'onoang'ono, kapena zonse ziwiri.
- Zowongolera: mabatani osavuta, zolumikizira za analogi, kapena mawonekedwe ang'onoang'ono a digito.
Kwa oyamba kumene, njira yabwino kwambiri ndi wailesi ya FM yokhala ndi gawo lolandirira chifukwa zida zake zimapezeka kwambiri ndipo njira yopangira zinthuzo ndi yachangu.
2. Zigawo ndi Zipangizo Zofunikira
Kuti kapangidwe kanu kakhale kogwirizana, gwiritsani ntchito ma module omwe amaphatikiza ntchito zingapo. Nayi mndandanda wa zigawo zomwe zimagwiritsidwa ntchito kwambiri:
Zigawo zazikulu
1. Gawo la wailesi ya FM (monga kutengera TEA5767, ma chips a RDA5807, kapena ma module a wailesi ya FM opangidwa kale).
2. Chojambulira mawu chaching'ono (chitsanzo: PAM8403 stereo ya 3W, yaying'ono komanso yosunga mphamvu).
3. 4Ω 3W mini speaker (kapena 8Ω speaker, sinthani ku amplifier).
4. Potentiometer (ya voliyumu, ngati simukugwiritsa ntchito njira yowongolera digito).
5. Antena (chingwe cha 20–75 cm kapena antena yaying'ono ya teleskopu).
6. Mphamvu:
– Batire ya Li-ion ya 18650 + gawo lochapira la TP4056 + 5V yowonjezera (ngati pakufunika), kapena
– 5V power bank (yosavuta kwambiri pa prototype).
7. Chosinthira chaching'ono choyatsira/kuzima (chosinthira chotsitsa).
8. PCB yopanda kanthu kapena PCB yaying'ono yopangidwa mwamakonda (ngati mukufuna kuti ikhale yoyera).
9. Zingwe zazifupi za jumper, chitsulo chosungunula, ndi zolumikizira ngati pakufunika.
Zipangizo zogwirira ntchito
- Solder ndi tin
- Zodulira zodula, zodulira zozungulira mphuno
- Skuruvu yaying'ono
- Mfuti ya guluu kapena tepi iwiri yoyikira
- Multimeter (ngati mukufuna koma yothandiza kwambiri)
3. Kusankha Module Yoyenera Yolandirira
Pa mapangidwe ang'onoang'ono, gawo lolandirira ndilofunika kwambiri pa kukula ndi kusavuta kukhazikitsa.
- Ma module osavuta a analogi: Ma module ena a FM okonzeka kugwiritsidwa ntchito ali ndi batani lojambulira ndi kutulutsa mawu mwachindunji. Izi ndi zabwino ngati mukufuna kuyamba mwachangu popanda microcontroller.
– I2C module (TEA5767/RDA5807): imafuna microcontroller monga Arduino Nano/Pro Mini kuti ilamulire ma frequency ndi scanning, koma zotsatira zake zitha kukhala zosinthasintha ndipo chiwonetserocho chikhoza kuwonjezeredwa ndi OLED yaying'ono.
Ngati cholinga chanu ndi wailesi yaying'ono, "yothandiza", gwiritsani ntchito gawo lomwe lili kale ndi kuthekera kokonza ndi kusanthula popanda microcontroller. Komabe, ngati mukufuna kapangidwe kamakono, onjezani Arduino Pro Mini + 0.96" OLED kuti makinawo azimveka ngati wailesi ya digito.
4. Ndondomeko Yosavuta ya Dera
Nayi njira yosavuta yolumikizira wailesi yaying'ono:
Module ya FM (audio out) → PAM8403 amplifier → wokamba
Mphamvu yamagetsi (5V kapena 3.7–5V kutengera module) imapita ku FM module ndi amplifier. Onetsetsani kuti voltage ikukwaniritsa zofunikira za gawo lililonse.
Mfundo zofunika:
- Gwiritsani ntchito malo abwino komanso ogwirizana (GND) kuti muchepetse phokoso.
– Zingwe zomvera (L/R) ziyenera kukhala zazifupi kuti zisamveke phokoso.
- Ngati FM module ndi mono yokha, lumikizani mono output ku ma inputs awiri a L ndi R kudzera mu resistor yaying'ono (monga 1k) kuti igwirizane.
5. Kupanga Kapangidwe Kakang'ono: Kapangidwe ka Zigawo
Kuti chikhale chaching'ono komanso chokongola, kapangidwe ka zinthu kayenera kuganiziridwa ngati kapangidwe ka chinthu.
Malangizo a kapangidwe kakang'ono:
1. Ikani gawo la FM pamwamba pa PCB ya amplifier pogwiritsa ntchito ma spacer kapena ma insulators, koma onetsetsani kuti palibe short circuit.
2. Chepetsani zingwe zazitali: gwiritsani ntchito zingwe zazifupi, zosalala, kapena pangani PCB yaying'ono.
3. Ikani cholankhulira patsogolo: pangani dzenje la grill kapena gridi kuti phokoso lituluke bwino.
4. Antena imayikidwa padera ndi amplifier: kutali ndi komwe phokoso limachokera.
5. Ikani batire pakati pansi: kuti mulingo ukhale womasuka mukagwira.
Palibe chifukwa chogwiritsa ntchito bokosi lokwera mtengo; mungagwiritse ntchito bokosi laling'ono la pulasitiki, bokosi losindikizidwa mu 3D, kapena bokosi la acrylic.
6. Njira Yopangira Gawo ndi Gawo
Gawo 1: Yesani gawoli palokha
Musanaphatikize, yesani ma module amodzi ndi amodzi.
- Lumikizani gawo la FM ku gwero lamagetsi.
- Lumikizani mawu otuluka ku amplifier.
- Lumikizani amplifier ku ma speaker.
Onetsetsani kuti phokoso latuluka ndipo phokoso silikupitirira muyeso.
Gawo 2: Ikani chowongolera voliyumu
Ngati amplifier ikugwiritsa ntchito ma potentiometer, ikani pa bolodi lakunja la bokosilo kuti lizizungulira mosavuta. Pa mapangidwe ang'onoang'ono, ma potentiometer ang'onoang'ono, okhala ndi bolodi nthawi zambiri amagwiritsidwa ntchito, koma onetsetsani kuti akugwirizana ndi mabowo a bokosilo.
Gawo 3: Konzani magetsi
Ngati mukugwiritsa ntchito batire ya Li-ion:
– Batri → TP4056 (chaji/chitetezo) → kutulutsa kwa dongosolo.
Ngati gawoli likufuna 5V yokhazikika, onjezani chowonjezera cha step-up. Onetsetsani kuti chowonjezeracho sichiyambitsa phokoso lochulukirapo. Njira yoyera nthawi zambiri ndi kusankha gawo lomwe lingagwire ntchito pa 3.7–4.2V.
Gawo 4: Solder ndi kukonza maulumikizidwe
Solder mawaya onse ofunikira:
- VCC ndi GND (magetsi)
- Gawo lotulutsa mawu kupita ku amplifier
- Chotulutsa cha Amplifier kupita ku okamba
Gwiritsani ntchito heatshrink kapena insulation kuti isasweke mosavuta komanso kuti isafupike.
Gawo 5: Ikani antenna
Antena yosavuta ikhoza kukhala waya wamkuwa wa 30-75 cm. Kuti muwone bwino, gwiritsani ntchito antena yaying'ono yowonera pa chikwamacho. Malo a antena amakhudza kwambiri kukhudzidwa kwa kulandiridwa.
Gawo 6: Ikani mu bokosi
Chilichonse chikagwira ntchito:
- Ikani zokamba patsogolo.
- Ma module olandirira ndi okweza mawu pakati.
– Batri pansi kapena kumbuyo.
Tsekani zigawozo pogwiritsa ntchito zomangira zazing'ono, guluu wotentha, kapena tepi ya thovu yokhala ndi mbali ziwiri.
7. Chepetsani Phokoso ndi Kukweza Ubwino wa Phokoso
Ma wailesi opangidwa ndi manja nthawi zina amatulutsa phokoso kapena phokoso. Kuti akonze izi:
- Gwiritsani ntchito zingwe zazifupi za mawu ndipo sungani kutali ndi zingwe zamagetsi.
- Onjezani ma capacitor a bypass (monga 100nF ndi 10µF) pafupi ndi ma pini a VCC a FM module ndi amplifier.
– Onetsetsani kuti nthaka siili "yozungulira" (gwiritsani ntchito mfundo yaikulu ya nthaka).
- Ngati pali chowonjezera mphamvu, yesani kulekanitsa malo ake kapena kuwonjezera fyuluta (inductor + capacitor) pa njira yamagetsi.
Kuti phokoso likhale lozungulira kwambiri, mutha kuwonjezera dzenje laling'ono la bass ku casing (port), ngakhale izi zimafuna kuyesa chifukwa kukula kochepa kungayambitse phokoso "kusweka" ngati doko silili bwino.
8. Malingaliro Opanga Kapangidwe Kuti Kakhale Kamakono Kwambiri
Mukangoyamba kugwiritsa ntchito wailesi yoyambira, mutha kusintha kukhala chinthu chosangalatsa kwambiri:
- Onjezani OLED kuti muwone ma frequency.
- Onjezani batani lojambulira ndi zoikika pa siteshoni.
- Gwiritsani ntchito cholumikizira kuti muwongolere bwino.
- Onjezani cholandirira cha Bluetooth ngati njira yowonjezera (wailesi + sipika ya Bluetooth).
- Onjezani jack ya mahedifoni ndi switch yoyimitsa sipika.
Zonsezi zitha kuwonjezeredwa pang'onopang'ono popanda kusintha kapangidwe kake konse.
9. Mtengo Woyerekeza ndi Nthawi Yogwirira Ntchito
Mtengo wapakati wa zida zoimbira wailesi yosavuta:
– FM Module: Rp. 20.000–Rp. 60.000
– PAM8403 Amplifier: Rp. 10.000–Rp. 25.000
– Wokamba nkhani waung'ono: Rp. 15.000–Rp. 40.000
– Batire + gawo lochaja: Rp. 30.000–Rp. 80.000
– Chikwama: Rp. 10.000–Rp. 50.000
Ndi zida zomwe zilipo, ntchitoyi ikhoza kumalizidwa mu maola 2-6, kutengera kuyera, kusintha kwa zikwatu, ndi kuchuluka kwa zinthu.
10. Mapeto
Kupanga wailesi yaying'ono ndi pulojekiti yomwe imaphatikiza kapangidwe ka zinthu zatsopano ndi zamagetsi zoyambira. Chinsinsi cha kupambana chili pakusankha gawo loyenera, kukonza bwino zigawo, ndikuwongolera magetsi kuti muchepetse phokoso. Mtundu woyambira ukatha, mutha kuukulitsa ndi chowonetsera chaching'ono, zowongolera zamagetsi, kapena kuthekera kwa Bluetooth kuti ukhale chipangizo chamakono komanso chogwira ntchito zambiri.
Ngati mukufuna, nditha kupanga mndandanda wathunthu wa zigawo zinazake zokhala ndi mawaya malinga ndi zomwe mwasankha: gawo losavuta la wailesi ya FM lopanda microcontroller, kapena wailesi ya digito ya FM yokhala ndi Arduino + OLED.
