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Mundarija:
2025 Muallif: John Day | [email protected]. Oxirgi o'zgartirilgan: 2025-01-23 15:14
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Ushbu qo'llanmada men sizga tashqi TTL konvertori emas, balki Arduino IDE yordamida ESP8266 modulini qanday o'rnatishni ko'rsataman.
1 -qadam: ESP8266 modulini yoqing
Arduino Nano 3.3V shahar chiqish pinidan foydalanib, ESP8266 modulini yoqing. Shuni yodda tutingki, ba'zida Arduino kartasi ESP8266 moduliga etarli kuchlanish bermaydi. Ushbu modulni quvvatlantirish uchun siz 3,3 V (kirish voltajini 3,3v dan oshirmang) regulyatoridan (AMS1117) foydalanishingiz mumkin. Arduino 5V ni ESP8266 3.3 V ga tushirish uchun kuchlanishni ajratish sxemasi ishlatiladi.
2 -qadam: sxematik diagramma
Mana, sxematik diagramma, mening kodimda raqamli pin 2 ni Tx va D3ni RX sifatida ishlatganman.
3 -qadam: Arduino IDE -ni oching
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Arduino IDE -ni oching va manba kodini xuddi rasmda ko'rsatilgandek oynaga joylashtiring. Serial monitorni oching va Baud tezligini 9600 ga o'rnating.
4 -qadam: Buyruqlar orqali ESP8266 moduliga yuboring
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Siz ESP8266 moduliga buyruqlar yuborishga tayyormiz. Esda tutingki, ketma -ket aloqa paytida siz axlat qiymatini ko'rasiz.
AT - ketma -ket monitorda OK belgisini beradi, agar ESP8266 modulining vcc pinini bir lahzaga ajratib, qayta ulanmasangiz.
AT+RST - modulni qayta boshlash buyrug'i / ixtiyoriy buyruqni yuboring
AT+GMR -ni yuboring - dasturiy ta'minot versiyasini olish uchun
AT+CWMODE yuborilsinmi? - Modulni ikki tomonlama Sucha rejimiga Mustaqil + Kirish nuqtasi rejimi sifatida o'rnating.
AT+CWLAP -ni yuboring - yaqin atrofdagi Wi -Fi kirish nuqtasini qidirish buyrug'i. Qidiruv natijalarida Wi -Fi nomini toping.
AT+CWJAP = "Sizning Wi -Fi nomingiz", "Wi -Fi parolingiz" - WIFI -ga ulanish buyrug'ini yuboring.
AT+CIFSR - Wifi tomonidan ESP8266 moduli/ixtiyoriy buyrug'iga berilgan ajratilgan IPni tekshirish buyrug'ini yuboring.
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