Server a cikin gajimare: Sakamakon aikin

Abokai, lokaci ya yi da za mu taƙaita sakamakon aikin mu na gasar "Server in the Clouds". Idan wani bai sani ba, mun fara aikin geek mai nishadi: mun yi ƙaramin sabar akan Raspberry Pi 3, mun makala GPS tracker da na'urori masu auna firikwensin zuwa gare shi, mun loda duk waɗannan abubuwan a kan balloon iska mai zafi kuma muka ba da shi ga sojojin yanayi. . Inda kwallon za ta sauka an sani kawai ga alloli na iskoki da masu kula da jiragen sama, don haka mun gayyaci kowa da kowa don sanya maki akan taswira - wanda maki mafi kusa da ainihin wurin saukarwa zai sami kyaututtukan "dadi".

Don haka, uwar garken mu ta riga ta shiga cikin gajimare, kuma lokaci ya yi da za mu taƙaita sakamakon gasar mu.

Hanyoyin haɗi zuwa littattafan da suka gabata game da gasar

1. Buga game da regatta (Kyautar wuri na farko a gasar mu shine shiga cikin regatta na jirgin ruwa AFR (Wani F*cking Race), wanda za a gudanar daga Nuwamba 3 zuwa 10 a cikin Saronic Gulf (Girka) tare da kungiyar RUVDS da Habr.
2. Yadda muka yi"bangaren karfe»aikin - don masu sha'awar batsa na geek, tare da cikakkun bayanai da ƙididdigar lambar.
3. Megapost game da aikin tare da cikakken bayanin.
4. Wurin aikin, inda ya yiwu a saka idanu motsi na ball da telemetry a ainihin lokacin.
5. Rahoton rahoto daga inda aka harba kwallon.

Kuma gwaninta, dan kurakurai masu wuyar gaske

Kamar yadda kuka tuna, mun shirya watsa bayanai daga uwar garken ta hanyar modem na GSM. Wannan ita ce babbar tashar watsa bayanai. Da alama mun samar da duk wani abin mamaki tare da kewayon hanyar sadarwar salula ta hanyar saka katunan SIM guda biyu daga masu aiki tare da mafi kyawun ɗaukar hoto a cikin yankin Dmitrov a cikin modem. Bugu da ƙari, modem ɗin yana da eriya mai kyau ta ko'ina. Amma, kamar yadda suke faɗa, mutum yana ɗauka, kuma opsos ya jefar. Lokacin da kwallon ya tashi sama da mita 500 (tsawowar hasumiya ta Ostankino), sadarwar salula ta bace gaba daya.

A baya, da alama a bayyane yake, amma abin da hangen nesa ke nufi kenan. Tabbas, an tsara eriya ta wayar salula don ɗaukar hoto a ƙasa, ba a cikin iska ba. Hanyoyin radiation su "buga" tare da taimako kuma ba sa "haske" a cikin gajimare. Don haka sadarwar salula a tsayin rabin kilomita zuwa sama shine kawai bazuwar gani na lobe na wasu eriya. Don haka ga rabin hanyar babu sadarwa tare da balloon ta tashar salula. Kuma a lokacin gangarowa, lokacin da muka yi ƙasa da mita 500, sadarwar salula ta sake yin aiki.

Ta yaya muka sami telemetry daga balloon? Godiya ga yawaitar tashar watsa bayanai don wannan. Mun shigar da kit akan kwallon LoRa sadarwar rediyo, aiki a 433 MHz.

Abubuwan da ake samarwa ba su da yawa, amma don dalilanmu ya isa sosai. Dangane da tantance wurin da ƙwallon yake ta amfani da GPS, babu wata matsala game da wannan; mai bin diddigin yana aiki ba tare da wata damuwa ba.

Kuma a lokacin jirgin, an gano cewa kebul na USB da ke haɗa tsarin telemetry zuwa Rasberi Pi 3 ya zama mara lahani. Ya yi aiki a ƙasa, amma ya ƙi zuwa sama. Wataƙila suna jin tsoron tsayi. Mun gano laifin kebul din bayan mun sauka. An yi sa'a, mun sami damar kafa canja wurin bayanai kai tsaye daga tsarin na'urar sadarwa ta hanyar LoRa.

Kuma game da mai kyau

Sa'a yayi murmushi akan habrayusers @severov_info (wuri na farko), @MAXXL (wuri na biyu) da @evzor (wuri na uku)! Mutumin da ya fi kowa sa'a zai sami ra'ayi da yawa (da fatan masu daɗi) daga shiga cikin AFR sailing regatta, kuma nan ba da jimawa ba za mu gabatar da wayoyi masu kyau ga masu rike da matsayi na biyu da na uku. Kuma ba shakka, dukanmu ukun za su karɓi hayar uwar garken kyauta daga RUVDS a matsayin kyauta.

Kuna iya ganin yadda ƙaddamarwar ta gudana a cikin wannan ɗan gajeren bidiyon:

source: www.habr.com