Wemos: uye ako ekuvandudza mabhodhi ane ESP8266

Wemo D1 Mini

Kana iwe uchirangarira, isu tatozivisa iyo ESP8266 chip, inoshanda chaizvo IC yekubatanidza kweWiFi kushandisa muzvirongwa zvako naArduino. Zvino chijana chako iyo shanduko kuWemos D1, bhodhi inosanganisira iyi imwechete chip uye iri zvakare inoshanda kune huwandu hwemapurojekiti e DIY. Kana uchida, unogona kuwana zvinyorwa zvebhodhi kubva kune yepamutemo Wemos webhusaiti, kwaunogona kuwana kubva pano.

Te Ndinokurudzira kuona chinyorwa chedu paESPN8266 iyo yandakaisa muiyo yapfuura link, nekuti zvikasadaro, kana uchitanga neWemos D1 unenge warasika zvakanyanya kana usina base. Iwe unofanirwa zvakare kuona mumwe wedu mutungamiri pane NodeMCU, ine zvakawanda zvine chekuita neESPN8266 uye nechimwe ichi chinhu chinotinetsa nhasi. Muzvinyorwa zviviri izvi iwe zvakare unowana mienzaniso yekodhi kuti ukwanise kuronga iyo ESP8266, maraibhurari anodikanwa eiyo Arduino IDE, nezvimwe.

wemos

Ndicho Chinese brand iyo inogadzira mhando iyi yemagetsi ekuvandudza mabhodhi uye nhoo dzavo kubva kune avo zviri pamutemo webhusaiti. Pakati pezvakagadzirwa zvigadzirwa, unogona kuwana iyo Wemos D1 bhodhi.

Wemo D1

Wemos D1 Mini uye Pro

Pane mahwendefa maviri anonakidza akapihwa neWemos, imwe yeWemos D1 uye imwe yacho iri hanzvadzi yayo diki Wemo D1 Mini, idiki, kana mamwe anodhura shanduro senge iyo Pro (ine 16M flash panzvimbo ye4M), nezvimwe. Kune vazhinji, ndeimwe yemabhodhi avo avanoda ekuvandudza eESp8266 chip, kunyangwe pamusoro peNodeMCU, kana mamwe ma module ane ESP8266, kune zvimwe zvinoshandiswa.

Mune iyo NodeMCU uye ESP8266 chinyorwa chandakadoma, unogona kudzidza kuti iyo ESP8266 chip inogona kubatanidzwa mumamojuru akasiyana seESP12, ESP12E, nezvimwe. Kana iri iyo Wemos D1 Mini, idiki kukura muhukuru pane kushandisa zvakananga ESP12 isina zvimwe, iine zviyero zve 34.2 × 25.6mm uye 3 magiramu ehuremu.

Asi kana iwe ukashandisa iyo isina ESP12, uchave uine zvakawanda zvikanganiso. Iine Wemos D1 Mini iwe une zvakwakanakira uye zvekuwedzera senge microUSB chiteshi uye serial converter yehukama hwako. Iyo zvakare inosanganisira iyo voltage regulator kuidyisa iyo zvakananga neiyo Arduino's 5V socket, uye yemukati macircuit anozotarisira kupfuudza iwo mavolts kune iyo voltage iyo iyo module inonyatsoda iyo module.

Imwe mukana we Wemos zvigadzirwa ndeyekuti vanobvumira wedzera mashandiro ayo nenhovo, izvo zviripo muhuwandu hwakawanda kudzora mota (madhiraivha), relay module, OLED skrini, tembiricha uye hunyoro sensors, PIR, bhatani, nezvimwe. Ndokunge, inokupa iwe zvivakwa zvakawanda zvekushandisa izvi zvinongedzo nekutonga kubva paInternet kana muWAN network.

Kunyange zvakadaro hazvisi zvese zvakanakiraPane kupokana, ine nhamba diki yemapini inowanikwa, iine maGPIO gumi nematanhatu achienzaniswa neana gumi nemanomwe aunayo mune mamwe ma module akadai seESp11 kana NodeMCU Nekudaro, ichi hachifanirwe kunge chiri dambudziko hombe, nekuti mapurojekiti mazhinji haadi zvinopfuura izvi gumi nembiri, kunyange hazvo zvese zvichizoenderana nezvinodiwa nemushandisi wega wega ...

Zvimiro, pinout, uye mitengo

Kuve wakavakirwa pa ESP12E, govera mafichaNaizvozvo, ini ndichakupa pfupiso pano:

  • Inoshanda pakumhanya kwe80 kusvika 160Mhz.
  • 4 MB flash memory
  • 3.3v magetsi, kunyangwe iine inoshandura kuti ikwanise kuidyisa iyo neArduino 5V kana uchida.
  • 11 GPIO, ese ane PWM kunze kweD0.
  • Kupindirana
  • I2C bhazi
  • Analog zvigadzirwa 1 (3.2v max)
  • MicroUSB chinongedzo

El mutengo kubva ingangoita € 2 uye yepamusoro, inosvika ku € 20, zvinoenderana nemuenzaniso. Unogona kuiwana muzvitoro zvakawanda zvine hunyanzvi uye online. Saka iwe unogona kuve wakachipa kwazvo Wemos D1 Mini, kupfuura NodeMCU uye zvishoma padhuze pamusoro pemutengo weESP12E module isina zvimwe zvekuwedzera ...

Para tenga zvigadzirwa izvi nenhoo dzavo, Wemos inopa chikamu che Online Store, asi anokuendesa iwe ku AliExpress, saka ndiyo nzvimbo iyo inogoverwa zviri pamutemo.

El pin out yeWemos D1 Mini basic board ndeye:

  • TX: yakabatana neiyo TXD yeESPN8266, ye TXD.
  • RX: yakabatana neiyo RXD yeESPN8266, yeRXD.
  • A0: yakabatana nepini yezita rimwechete seyakaiswa analogog.
  • D0: ndiyo GPIO16 yemo module, uye inoshandiswa seI / O.
  • D1: iyo GPIO5 yemu module, senge I / O, PWM, Kupindira, I2C uye SCL.
  • D2: kune GPIO4, yeI / O, PWM, Kanganisa, I2C, SDA.
  • D3: kune GPIO0, yeI / O ine 10K yekudhonza-kumusoro resistor, PWM, Interrupt uye I2C.
  • D4: GPIO2, yakafanana neiri pamusoro, asi wedzera BUILTIN_LED
  • D5: kuenda GPIO14, yeI / O, PWM, Kupindira, I2C uye SCK.
  • D6: GPIO12, yakafanana neiri pamusoro, asi pachinzvimbo cheSCK yeMISO.
  • D7: kune iyo GPIO13 yeESp12, yakafanana neiyo yapfuura.
  • D8: kune GPIO15, yeI / O ine 10K dhonza-pasi resistor, PWM, Kupindira, I2C uye SS.
  • G: ndiyo GND (pasi), kubatana kwepasi.
  • 5V: yemagetsi magetsi.
  • 3V3: 3.3v magetsi.
  • RST: yakabatana neRST, ndiko kuti, kugadzirisa zvakare.

Para tora datasheetUnotoziva kuti iwe unogona kuwana zvinyorwa kubva kune yepamutemo Wemos webhusaiti yandakasiya pakutanga kwenyaya. Zvakare vane Wiki yakakwana izvo zvandinokurudzira, sezvo iwe uchigona kuwana yakawanda yekubatsira ... Ivo vanotova nazvo tutorials.


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