Bincika, hira, aikin gwaji, zaɓi, ɗaukar aiki, daidaitawa - hanyar tana da wahala da fahimta ga kowane ɗayanmu - duka ma'aikaci da ma'aikaci.
Sabon shigowa ba shi da cancantar ƙwarewa na musamman. Ko da gogaggen ƙwararren dole ne ya daidaita. An matsa wa manajan tambayoyi game da waɗanne ayyuka ne za a ba sabon ma'aikaci a farkon kuma nawa ne lokacin da za a ware musu? Yayin tabbatar da sha'awa, sa hannu, tuƙi da haɗin kai. Amma kada ku yi haɗari da ayyuka masu mahimmanci na kasuwanci.
Don yin wannan, muna ƙaddamar da ayyukan relay na ciki. Sun ƙunshi gajerun matakai masu zaman kansu. Sakamakon irin wannan aikin yana zama tushen tushen ci gaba na gaba kuma ya ba da damar sabon shiga don tabbatar da kansa, shiga ƙungiyar tare da aiki mai ban sha'awa kuma ba tare da hadarin kasawa wani muhimmin aiki ba. Wannan ya haɗa da samun ƙwarewa, saduwa da abokan aiki, da damar nuna mafi kyawun gefen ku lokacin da babu tsauraran hani daga gado.
Misalin irin wannan ci gaban gudun ba da sanda shine jigon allo mai jujjuyawa bisa tasirin strobe tare da ikon nuna hoton mai amfani na son rai wanda aka ɗauka akan allon wayar. .
Ma’aikata da dama ne suka gudanar da aikin a jere kuma sababbi ne za su ci gaba da gudanar da aikin na tsawon lokacin hawan su (daga makonni biyu zuwa wata daya, ya danganta da iyawa da matakin iya aiki).
Matakan sun kasance kamar haka:
a) tunani ta hanyar zane (ta hanyar nazarin samfurori na yanzu, kwatancin analogues, nuna yunƙurin ƙirƙira);
b) haɓaka zane-zane da kuma sanya shi a kan allo;
c) haɓaka ƙa'idar don canja wurin hotuna daga waya zuwa na'ura;
d) ba da iko daga wayar hannu ta Bluetooth LE.
Zaɓin farawa shine a yi amfani da wani abu mai ɗanɗano sosai, kamar mai kambin petal uku, wanda, lokacin da aka juya da hannu, ya fara nuna rubutu. Akwai samfurin BLE a cikin petal ɗaya, LEDs RGB guda goma a cikin na biyu, firikwensin gani a cikin na uku, da baturi a tsakiya. An zana zanen kewayawa kuma an gudanar da gwaje-gwajen farko. Ya bayyana a fili cewa matakin ingancin hoto yana da ƙasa sosai, ƙuduri yana da ƙasa, tasirin wasan yana ɗan ɗan gajeren lokaci, kuma ƙarfin yana da sauƙi. Kuma masu yin kadi wani abu ne na baya da sauri kamar yadda suka bayyana. An yanke shawarar ɗaga mashaya da haɓaka allon strobe mai juyawa. Aƙalla, ana iya amfani da shi don dalilai masu amfani a nune-nunen da taro, kuma sha'awar irin waɗannan hanyoyin ba za su ɓace nan gaba kaɗan ba.
Game da zane, akwai manyan tambayoyi guda biyu: yadda za a sanya LEDs (a cikin jirgin sama a tsaye, kamar yadda yake a cikin misalin da ke sama, ko a kwance) da kuma yadda za a yi amfani da katako mai juyawa tare da LEDs.
Don dalilai na ilimi, LEDs an sanya su ne kawai a cikin jirgin sama na kwance. Amma game da iko da allon, akwai wani zaɓi mai mahimmanci: ko dai mu ɗauki motar motsa jiki, wanda yake da girma, mai hayaniya, amma mai arha, ko kuma mu yi amfani da mafi kyawun bayani tare da canja wurin wutar lantarki ta hanyar amfani da coils biyu - ɗaya akan motar, ɗayan. a kan allo. Maganin, ba shakka, yana da kyau, amma ya fi tsada da cin lokaci, saboda ... Dole ne a fara lissafin coils sannan a raunata (zai fi dacewa ba a gwiwa ba).
Wannan shine yadda samfurin samfurin ya yi kama
Ƙayyadaddun samfuran da aka samar da yawa shine irin cewa kowane ƙarin cent a cikin abubuwan farashi. Ana iya ƙididdige nasara ta hanyar kuɗin ɗimbin abubuwan da za a iya amfani da su. Don haka, sau da yawa ya zama dole a zaɓi zaɓi mara inganci amma mai rahusa domin masana'anta su ci gaba da yin gasa ta kasuwanci. Saboda haka, tunanin cewa za a sanya allon rotary a cikin samar da yawa, mai haɓakawa ya zaɓi motar motsa jiki.
Lokacin da aka ƙaddamar da shi, samfurin da ya haifar ya haskaka da tsokana, ya yi hayaniya da girgiza teburin. Tsarin da ya tabbatar da kwanciyar hankali ya juya ya zama nauyi da girma wanda ba shi da ma'ana don kawo shi zuwa samfurin samarwa. Muna farin ciki da nasarar tsaka-tsaki, mun yanke shawarar maye gurbin injin tare da injin juyawa tare da ratar iska. Wani dalili kuma shi ne rashin iya sarrafa injin daga tashar USB ta kwamfutar.
Kwamitin LED ya dogara ne akan tsarin mu na RM10 da direbobin LED guda shida. .
Direbobin suna da tashoshi 16 tare da ikon sarrafa kowane da kansa. Don haka, irin waɗannan direbobi 6 da 32 RGB LEDs gabaɗaya suna da ikon nuna launuka miliyan 16.
Don aiki tare da daidaita hoton fitarwa, an yi amfani da na'urori masu auna firikwensin Hall guda biyu .
Shirin ya kasance mai sauƙi - firikwensin yana ba da katsewa ga kowane juyin juya halin jirgi, matsayi na LED yana ƙayyade ta agogon tsakanin wucewa biyu kuma ana ƙididdige azimuth da haske a cikin 360-digiri scan.
Amma wani abu ya faru ba daidai ba - ba tare da la'akari da saurin jujjuyawar allon ba, firikwensin ya ba da katsewa ɗaya ko biyu ba tare da izini ba. Don haka, hoton ya juya ya zama bluish kuma ya naɗe a ciki.
Sauya na'urori masu auna firikwensin bai canza halin da ake ciki ba, don haka an maye gurbin firikwensin Hall da photoresistor.
Idan wani yana da wani tunani kan dalilin da yasa firikwensin magnetoresistive zai iya yin hakan, da fatan za a raba shi a cikin sharhi.
Babban gefen allon
Tare da firikwensin gani, hoton a bayyane yake, amma yana ɗaukar kusan daƙiƙa 30 don daidaitawa. Wannan yana faruwa ne saboda dalilai da yawa, ɗaya daga cikinsu shine sanin lokacin da mai ƙididdigewa. Wannan shine ticks miliyan 4 a cikin daƙiƙa guda, wanda aka raba ta digiri 360 tare da saura, wanda ke gabatar da murdiya cikin hoton fitarwa.
A cikin agogon strobe na kasar Sin, an shigar da hoton a cikin 'yan seconds a farashin gaskiyar cewa ba a nuna ƙaramin yanki na da'irar kawai: akwai sarari mara komai akan hoton madauwari, ba a ganuwa akan rubutu, amma hoton bai cika ba.
Duk da haka, matsalolin ba su ƙare ba. Microcontroller ba zai iya samar da adadin canja wurin bayanai da ake buƙata don yiwuwar adadin tabarau (kimanin 16 MHz) - allon yana samar da firam 1 a sakan daya, wanda bai isa ga idon ɗan adam ba. Babu shakka, kuna buƙatar sanya microcontroller daban akan allo don sarrafa hoton, amma a yanzu an yanke shawarar maye gurbin MBI5030 tare da. . Akwai kawai 7 launuka, ciki har da fari, amma wannan ya isa yin aiki da bangaren software.
To, kuma mafi mahimmanci, saboda abin da aka fara wannan aikin ilimi, shine tsara tsarin microcontroller da aiwatar da sarrafawa ta hanyar aikace-aikace akan wayar hannu.
Ana watsa sikanin a halin yanzu ta Bluetooth kai tsaye ta hanyar nRF Connect, kuma aikace-aikacen yana kan haɓakawa.
Don haka, matsakaicin sakamakon tawagar relay sune kamar haka:
Allon juyawa yana da layin LED 32 da diamita na hoto na 150 mm. Yana nuna launuka 7, saita hoto ko rubutu a cikin daƙiƙa 30 (wanda bai dace ba, amma yarda da farawa). Ta hanyar haɗin Bluetooth, zaku iya ba da umarni don canza hoton.
Kuma wannan shi ne yadda abin yake
Kuma don sababbin masu haɓaka samari don samun nasarar koyo, abin da ya rage shi ne magance ayyuka masu zuwa:
Nasara rashin microcontroller RAM don cikakken nunin palette mai launi. Inganta aikace-aikacen don ƙirƙira da watsa hotuna a tsaye ko masu ƙarfi. Ba da tsarin kyan gani. Za mu ci gaba da yin posting.
PS Tabbas, bayan kammala aikin akan Bluetooth LE () za mu tsara da aiwatar da sigar Wi-Fi/Bluetooth akan ESP32 Amma wannan zai zama sabon labari.
source: www.habr.com