Ọ malitere mgbe [Damien Walsh] nwetara bọọdụ LED mapụtara. Ogwe ọ bụla nwere bọọdụ sekit sekit ikanam 100 na-egbuke egbuke nke enwere ike iwepụ ma ọ bụrụ na achọrọ ya. [Damien] nwere echiche ka mma: chekwaa ha n'usoro 20 × 5 wee mepụta onye ọkwọ ụgbọ ala iji chịkwaa LED ọ bụla na WiFi. Ọ nwere ihe ịga nke ọma (obere vidiyo post-hiatus ngosi agbakwunyere n'okpuru) ma nye ndụmọdụ ụfọdụ na-adọrọ mmasị banyere usoro iwu ụlọ site na ọkọ.
Ihe mgbochi mbụ o nwere bụ nke ọtụtụ n’ime anyị pụrụ ichetụ n’echiche. Ọ na-esiri ike nyocha ihe mgbe ị maghị nkọwa okwu ziri ezi. N'okwu [Damien], ọchụchọ ya dugara ya na cornucopia nke ndị ọkwọ ụgbọ ala LED maka ọkụ ime ụlọ ma ọ bụ ọkụ azụ. Ngwaọrụ ndị a na-eme ka ọtụtụ obere LED na-arụ ọrụ dị ka otu nnukwu ọkụ ọkụ, mana ọ chọrọ ka ya na onye ọ bụla n'ime ha rụọ ọrụ n'otu n'otu.
N'ikpeazụ, ọ sụrụ ngọngọ na IS32FL3738 6 × 8 dot-matrix LED driver IC, nke dabara na ụgwọ ahụ. Atọ n'ime ha zuru oke ịnya otu panel nke 100 LED; ọ na-enye njikwa I2C ma nwee ike ịmekọrịta LED PWM n'ofe ọtụtụ ibe ka ọ ghara ịdị na-agbanwe agbanwe n'etiti LEDs na ndị ọkwọ ụgbọ ala dị iche iche. Anyị niile nwere ọkacha mmasị anyị ma a bịa na microcontrollers na njikọ WiFi na [Damien] bụ nnukwu onye na-akwado usoro Espressif ESP32 ma na-eduga ụzọ na ESP32-WROOM.
Ihe ọzọ dị mkpa ịmara bụ wiring. Igwe ọkụ ọkụ ọ bụla na-anọdụ na obere PCB nke ya na paịlị ekpughere aka ya, mana ire ọkụ 100 LED bụ ọrụ nwere ike iji obere atụmatụ gaa ogologo ụzọ. [Damien] ahọrọla sistemu izizi site na iji ibe teepu ọla kọpa nwere mkpuchi Kapton (ihe dị ezigbo mma nwere akụkọ ọjọọ). ọ dị anwuru karịa ka erere ya na waya.
Baffle 3D ebipụtara nke na-eji akwụkwọ nchọta na-agbasa ọkụ na-emecha ngwaọrụ ahụ, na-emepụta matriks 20 x 5 nke akụkụ anọ a na-achịkwa n'otu n'otu nke na-enwu nke ọma na nke ọma. Nsonaazụ ikpeazụ na-ele anya dị egwu ma ị nwere ike ịhụ ya ka ọ na-eme na obere vidiyo dị n'okpuru.
Ọ bụrụ na ị na-eche ihu mkpa njikwa matrix LED yiri nke a, jide n'aka na ị gụọ ntuziaka njikwa matrix LED ebe ị ga-ahụ ụfọdụ ndụmọdụ na-enyere aka.
"N'ikpeazụ, ọ chọtara IS32FL3738 6 × 8 dot-matrix LED driver IC sitere na ISSI [http://www.issi.com/US/index.shtml] na ọ dabara na ụgwọ ahụ," Donald Papp na-ekwu.
Lumissil rụpụtara IS32FL3738, nke bụ ngalaba nọọrọ onwe ya nke ISSI [Integrated Silicon Solution Inc]. Akpọrọ Lumissil aha na 20-March-2020 [1] ma mara ya na mbụ dị ka ISSI AMS [AMS> Analog na Mixed Signal division]. Akpọrọ Lumissil aha na 20-March-2020 [1] ma mara ya na mbụ dị ka ISSI AMS [AMS> Analog na Mixed Signal division].Akpọrọ Lumissil aha na Machị 20, 2020.[1] na ранее был известен как ISSI AMS. [1] na nke a na-akpọbu ISSI AMS [AMS> Analog na Mixed Signal Division]. Lumissil 于2020 年3 月20 日命名[1]，之前称为ISSI AMS. Akpọrọ Lumissil aha 于2020年3月20日[1], nke a na-akpọbu ISSI AMS [AMS> simulation na ngwakọta mgbaàmà agwakọta].Akpọrọ Lumissil [1] Maachị 20, 2020.и ранее был известен как ISSI AMS [AMS> Analog na Mixed Signal Division]. A na-akpọbu ya ISSI AMS [AMS> Analog na Mixed Signal Division].
Na ibe a, ọ bụrụ na ị pịa akụ nbudata maka IS32FL3738, ị ga-enweta nbudata atọ: 1. IS32FL3738 data mpempe akwụkwọ, 2. IS32FL3738 evaluation board data sheet, na 3. Arduino koodu atụ. Ọ bụrụ na ị pịa bọtịnụ nbudata "Họrọ niile" na mpio mmapụta, ị ga-enweta ebe nchekwa IS32FL3738.zip [1418 KB] nwere faịlụ atọ:
Ebe nchekwa IS32FL3738_AR.zip nwere otu faịlụ: IS3xFL3738 EVB Arduino Code V01B.txt, nke na-ekwu maka onwe ya.
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