Nthawi zina mumafunika kudziwa kutentha kwa chinthu muli patali. Ikhoza kukhala nyumba yosungiramo utsi, malo odyera nyama, kapena nyumba ya akalulu. Ntchito iyi mwina ndi yomwe mukufuna.
Yang'anirani nyama patali, koma osati kulankhula. Ili ndi amplifier ya MAX31855 thermocouple yomwe idapangidwa kuti igwiritsidwe ntchito ndi ma thermocouple otchuka a mtundu wa K. Imalumikizana ndi Texas Instruments CC1312 microcontroller yomwe imatumiza miyeso ya kutentha kudzera mu protocol ya 802.15.4 yomwe ukadaulo monga Zigbee ndi Thread umadalira. Imatha kutumiza mauthenga apawailesi pamtunda wautali popanda kugwiritsa ntchito mphamvu zambiri, zomwe zimapangitsa kuti zikhale zotheka kugwiritsa ntchito batire ya CR2023 coin cell mu projekitiyi. Kuphatikiza ndi firmware yomwe imayika dongosolo tulo pamene palibe miyeso yomwe ikutengedwa, ikuyembekeza kuti projekitiyi igwire ntchito kwa zaka zingapo pa batire imodzi.
Mauthenga amasonkhanitsidwa ndikulowetsedwa mu makonda a Grafana, komwe amatha kujambulidwa mosavuta. Kuti mupindule kwambiri, kutentha kulikonse komwe kuli kunja kwa mtunda womwe wakhazikitsidwa kudzayambitsa chenjezo la foni yam'manja kudzera mu IFTTT.
Kuyang'anira kutentha ndi chinsinsi chophikira chakudya chokoma ndi osuta fodya, kotero ntchitoyi iyenera kukhala yabwino. Kwa iwo omwe akufuna kuyang'anira kutentha kwawo patali popanda zovuta zambiri, izi ziyeneranso kugwira ntchito!
Pakakhala vuto lalikulu, thermocouple yokha ingagwiritsidwe ntchito kuchaja capacitor ndikupatsa mphamvu chotumizira ...
Ponena za maganizo anu, poyambira nditha kuwerenga pepala lofufuza la RCA la 1968 la NASA kuti ndione zomwe ziyenera kugwiritsidwa ntchito mkati mwa RTG* (magetsi omwe adagwiritsidwa ntchito mu 1977 Voyager space probe ayenera kuti adawonekera pano).
Kumbukirani kuti ngati mukufuna kugwiritsa ntchito thermocouple poyeza chinthu, kuti chikhale cholondola kwambiri** ndibwino kuti musafune kuti mphamvu yamagetsi iyende (kapena kuti iyende pang'ono kwambiri).
Komabe, ngati mukufuna kuti malo olumikizira magetsi apange mphamvu, ndiye kuti muyenera kukoka mphamvu yamagetsi yochuluka momwe mungathere pamene mukukonza mphamvu yamagetsi yocheperako kuposa mphamvu yamagetsi yochuluka (kutsika kwa magetsi kudutsa malo olumikizira magetsi kudzachepetsedwa kwambiri, ndipo kutsika kudutsa waya wolumikizira, popeza ali ndi kukana, mphamvu yamagetsi imachuluka, ndipo kukana kumasinthanso ndi kutentha - mphamvu yamagetsi ikakwera, kutentha kumakwera).
Ndikudabwa ngati n'zotheka kupanga mita ya 2D yachangu komanso yodetsedwa komwe ndimayesa mphamvu yamagetsi ndi magetsi ndikuyesa kutentha. Kenako tebulo lofufuzira limagwiritsidwa ntchito poyesa mphamvu yamagetsi ndi magetsi okha, osati pa njira yopangira magetsi, njira yosasinthasintha, ndi njira yoyezera kutentha.
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