M5STACK ESP32 Umarnin Mai Haɓaka Tawada Mai Mahimmanci

ESP32-PICO-D4 shine tsarin-in-Package (SiP) wanda ya dogara akan ESP32, yana ba da cikakkiyar Wi-Fi da ayyukan Bluetooth. Module ɗin yana haɗa filasha SPI 4-MB. ESP32-PICO-D4 yana haɗa duk abubuwan da ke gefe ba tare da ɓata lokaci ba, gami da oscillator crystal, filashi, matattarar tacewa da haɗin haɗin RF a cikin fakiti guda ɗaya.

1.54"E-Takarda Nuni

Nuni shine nunin matrix mai aiki na TFT, tare da keɓancewa da ƙirar tsarin ƙira. Na 1. 54 ” yanki mai aiki ya ƙunshi 200 × 200 pixels, kuma yana da 1-bit fari / baki cikakken ikon nuni. Haɗaɗɗen da'ira ya ƙunshi buffer ƙofar, buffer tushe, dubawa, dabaru sarrafa lokaci, oscillator, DC-DC, SRAM, LUT, VCOMand ana ba da iyaka tare da kowane kwamiti

BAYANIN PIN

2.1.USB INTERFACE

KOREINK Kanfigareshan Nau'in-C nau'in kebul na dubawa, goyan bayan daidaitaccen tsarin sadarwa na USB2.0.

2.2.GROVE INTERFACE

4p jefar farar 2.0mm KOREINK GROVE musaya, wayoyi na ciki da GND, 5V, GPIO4, GPIO13 da aka haɗa.

BAYANIN AIKI

Wannan babin yana bayyana ESP32-PICO-D4 kayayyaki da ayyuka daban-daban.

3.1.CPU DA ƙwaƙwalwar ajiya

ESP32-PICO-D4 ya ƙunshi ƙananan ƙarfin Xtensa® 32-bit LX6 MCU guda biyu. Ƙwaƙwalwar kan-chip ta ƙunshi:

448-KB na ROM, kuma shirin yana farawa don kiran aikin kernel
Don koyarwar 520 KB da guntu SRAM (ciki har da ƙwaƙwalwar filashi 8 KB RTC)

yanayin, da kuma adana bayanan da babban CPU ya samu
RTC jinkirin ƙwaƙwalwar ajiya, na 8 KB SRAM, na iya samun dama ga mai gudanarwa a cikin yanayin Deepsleep.

Na 1 kbit na eFuse, wanda shine takamaiman tsarin 256-bit (adireshin MAC da saitin guntu); sauran 768 bit da aka tanada don shirin mai amfani, waɗannan shirye-shiryen Flash sun haɗa da ɓoyayyen ɓoyewa da ID na guntu

3.2. BAYANIN ARZIKI

3.2.1.Flash na waje da SRAM

ESP32 yana goyan bayan filasha QSPI na waje da yawa da ƙwaƙwalwar samun damar bazuwar (SRAM), tare da ɓoye bayanan AES na tushen hardware don kare shirye-shiryen mai amfani da bayanai.

ESP32 samun damar QSPI Flash na waje da SRAM ta caching. Har zuwa 16 MB sarari code Flash na waje an tsara shi cikin CPU, yana goyan bayan samun damar 8-bit, 16-bit da 32, kuma yana iya aiwatar da lamba.

Har zuwa 8 MB na waje Flash da SRAM da aka tsara zuwa sararin bayanan CPU, tallafi don samun damar 8-bit, 16-bit da 32-bit. Flash yana tallafawa ayyukan karantawa kawai, SRAM yana goyan bayan ayyukan karantawa da rubutawa.

ESP32-PICO-D4 4MB na hadedde SPI Flash, lambar za a iya taswira zuwa cikin CPU sarari, goyon baya ga 8-bit, 16-bit da 32-bit damar, kuma zai iya aiwatar da code. Fil GPIO6 ESP32 na, GPIO7, GPIO8, GPIO9, GPIO10 da GPIO11 don haɗa module hadedde SPI Flash, ba a ba da shawarar ga wasu ayyuka ba.

3.3.CRYSTAL

ESP32-PICO-D4 yana haɗa oscillator crystal 40 MHz.

3.4.GUDANAR DA RTC DA KARANCIN CIN WUTA

ESP32 yana amfani da ingantattun dabarun sarrafa wutar lantarki na iya canzawa tsakanin hanyoyin ceton wuta daban-daban. (Duba Table 5).

Yanayin ajiyar wuta
- Yanayin aiki: guntu RF yana aiki. Chip na iya karɓa da watsa siginar ƙara.
- Yanayin barci-modem: CPU na iya aiki, ana iya daidaita agogo. Wi-Fi / Bluetooth baseband da RF
- Yanayin barci mai haske: An dakatar da CPU. RTC da ƙwaƙwalwar ajiya da na'urorin haɗin gwiwar ULP. Duk wani taron farkawa (MAC, mai masaukin baki, mai ƙidayar lokaci na RTC ko katsewar waje) zai farka guntu.
- Yanayin barci mai zurfi: kawai ƙwaƙwalwar RTC da abubuwan da ke cikin yanayin aiki. WiFi da bayanan haɗin Bluetooth da aka adana a cikin RTC. ULP coprocessor na iya aiki.
- Yanayin Hibernation: 8 MHz oscillator da ginanniyar coprocessor ULP an kashe su. Ƙwaƙwalwar RTC don maido da wutar lantarki ya katse. Mai ƙidayar agogon RTC guda ɗaya kawai wanda ke kan jinkirin agogo da wasu RTC GPIO a wurin aiki. Agogon RTC RTC ko mai ƙidayar lokaci na iya farkawa daga yanayin Hibernation na GPIO.
Yanayin barci mai zurfi
- Yanayin barci mai alaƙa: yanayin ajiyar wutar lantarki yana canzawa tsakanin Active, Modem-barci, yanayin barci mai haske. CPU, Wi-Fi, Bluetooth, da tazarar saiti na rediyo da za a tada, don tabbatar da haɗin Wi-Fi / Bluetooth.
- Hanyoyin saka idanu na firikwensin ƙananan ƙarfi: babban tsarin shine yanayin barci mai zurfi, ULP coprocessor yana buɗewa ko rufe lokaci-lokaci don auna bayanan firikwensin.
Na'urar firikwensin yana auna bayanai, ULP coprocessor ya yanke shawarar ko zai farka babban tsarin.

Ayyuka a cikin nau'ikan amfani da wutar lantarki daban-daban: TABLE 5

HALAYEN LANTARKI

Shafi na 8: Ƙayyadaddun ƙididdiga

VIO zuwa kushin samar da wutar lantarki, Koma ESP32 Ƙayyadaddun Ƙididdiga na Fasaha IO_MUX, azaman SD_CLK na samar da wutar lantarki don VDD_SDIO.

Latsa ka riƙe maɓallin wuta na gefe na tsawon daƙiƙa biyu don fara na'urar.Latsa ka riƙe sama da daƙiƙa 6 don kashe na'urar. Canja zuwa yanayin hoto ta hanyar Fuskar allo, kuma avatar da za a iya samu ta kyamara yana nunawa akan allon tft. Dole ne a haɗa kebul na USB lokacin aiki, kuma ana amfani da baturin lithium don ajiyar ɗan gajeren lokaci don hana wuta. gazawa.

Bayanin FCC
Duk wani canje-canje ko gyare-gyaren da ƙungiyar da ke da alhakin bin doka ba ta amince da su ba na iya ɓata ikon mai amfani na sarrafa kayan aiki.

Wannan na'urar ta bi sashe na 15 na Dokokin FCC. Aikin yana ƙarƙashin sharuɗɗa biyu masu zuwa:
(1) Wannan na'urar bazai haifar da tsangwama mai cutarwa ba, kuma
(2) Dole ne wannan na'urar ta karɓi duk wani tsangwama da aka karɓa, gami da tsangwama wanda zai iya haifar da aiki maras so.

Lura:
An gwada wannan kayan aikin kuma an same shi don biyan iyaka don na'urar dijital ta Class B, bisa ga sashi na 15 na Dokokin FCC. An ƙirƙira waɗannan iyakokin don ba da kariya mai ma'ana daga tsangwama mai cutarwa a cikin shigarwar mazauni. Wannan kayan aiki yana haifarwa, yana amfani da kuma zai iya haskaka ƙarfin mitar rediyo kuma, idan ba'a shigar da shi ba kuma ana amfani dashi daidai da umarnin, yana iya haifar da tsangwama mai cutarwa ga sadarwar rediyo. Duk da haka, babu tabbacin cewa tsangwama ba zai faru a cikin wani shigarwa na musamman ba. Idan wannan kayan aikin ya haifar da tsangwama mai cutarwa ga liyafar rediyo ko talabijin, wanda za'a iya tantancewa ta hanyar kashe kayan aiki da kunnawa, ana ƙarfafa mai amfani da yayi ƙoƙarin gyara tsangwama ta hanyar ɗaya ko fiye na waɗannan matakan:

-Sake daidaitawa ko sake matsugunin eriyar karɓa.
-Ƙara rabuwa tsakanin kayan aiki da mai karɓa.
-Haɗa kayan aiki zuwa wani maɓalli a kan wata da'ira daban-daban da wanda aka haɗa mai karɓa zuwa gare ta.
— Tuntuɓi dila ko gogaggen masanin rediyo/TV don taimako.

Bayanin Bayyanar Radiation na FCC:
Wannan kayan aikin ya dace da iyakokin fiddawa na FCC da aka tsara don yanayin da ba a sarrafa shi.Ya kamata a shigar da wannan kayan aikin tare da mafi ƙarancin nisa 20cm tsakanin radiyo & jikin ku.

ESP32TimerCam/TimerCameraF/TimerCameraX Saurin Farawa

Tare da firmware da aka riga aka ɗora, ESP32TimerCam ɗin ku,/TimerCameraF/TimerCameraX zai yi aiki daidai bayan kunnawa.

Ƙarfin kebul ɗin zuwa ESP32TimerCam/TimerCameraF/TimerCameraX ta kebul na USB. Farashin 921600.
Bayan jira na ƴan daƙiƙa, Wi-Fi duba AP mai suna "TimerCam" tare da kwamfutarka (ko wayar hannu), kuma haɗa shi.
Bude mai lilo a kwamfuta (ko wayar hannu), ziyarci URL http://192.168.4.1:81. A halin yanzu, zaku iya ganin watsa bidiyo ta ainihin lokacin ta ESP32TimerCam/TimerCameraF/TimerCameraX akan mai lilo.