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Оснащена 11 цифровими лініями вводу\u002Fвиводу, 1 аналоговим входом із вбудованим дільником напруги та вбудованим інтерфейсом CH340C USB, вона є однією з найпопулярніших доступних плат із Wi-Fi.","Працює на логічному рівні 3,3 В. Піни GPIO мікроконтролера ESP8266 НЕ толерантні до 5 В (максимум 3,6 В). Пін 5V живить вбудований LDO-стабілізатор ME6211 на 3,3 В (вихідний струм до 500 мА).","Пін A0 підключений до вбудованого резистивного дільника 220 кОм \u002F 100 кОм, що масштабує зовнішню напругу до 3,2 В до базового діапазону 0–1,0 В АЦП ESP8266 TOUT.","Апаратний UART0 на TX\u002FRX (спільний із USB). Апаратний\u002Fпрограмний SPI на D5 (SCK), D6 (MISO), D7 (MOSI), D8 (SS). Шина I2C за замовчуванням на D1 (SCL) та D2 (SDA).","Конфігураційні піни завантаження (strapping): D3 (GPIO0) підтяжка вгору для режиму Flash; D4 (GPIO2) підтяжка вгору, керує синім світлодіодом; D8 (GPIO15) підтяжка вниз, має бути LOW під час запуску.","Двонаправлені лінії GPIO мають внутрішні програмні підтяжки до живлення (~30–100 кОм), окрім GPIO16 (D0), який має вбудовану підтяжку до землі.",{"summary":621,"power":622,"variants":626,"before":629},"Wemos D1 Mini v3.0 поєднує мікроконтролер ESP8266EX 80\u002F160 МГц із 4 МБ Flash пам'яті та вбудованим перетворювачем USB-UART у мініатюрному форм-факторі 25.6x34,2 мм. Підтримує широку екосистему модулів розширення (shields): реле, датчики, драйвери двигунів, OLED-дисплеї.",{"usb_5v":623,"v33_rail":624,"sleep_jumper":625},"Вхід 5V USB \u002F колодки: Живлення 5 В від роз'єму Micro-USB або зовнішнього джерела напряму надходить на стабілізатор ME6211 3,3 В 500мА.","Лінія 3V3: Стабілізоване живлення 3,3 В для модуля ESP-12F та зовнішньої периферії. Доступний робочий струм ~450 мА.","Джампер пайки SLEEP: Розташований на зворотній стороні плати, з'єднує GPIO16 (D0 \u002F WAKE) із піном RST для автоматичного пробудження від таймера RTC у режимі глибокого сну.",{"v30":627,"pro":628},"Wemos D1 Mini V3.0: Використовує чіп CH340C (без зовнішнього кварцу), LDO ME6211, вдосконалену схему скидання та джампер сну.","D1 Mini Pro: Розширена версія з 16 МБ Flash, чіпом CP2104, керамічною антеною та роз'ємом для зовнішньої антени I-PEX.",{"deep_sleep_jumper":630,"a0_divider_range":631,"not_5v_tolerant":632,"boot_strapping_pins":633},"Пробудження з глибокого сну та прошивка: Запаювання джампера SLEEP (з'єднання D0 з RST) забезпечує пробудження після сну, проте може блокувати автоскидання під час завантаження прошивки.","Діапазон аналогового входу: на відміну від голих модулів ESP8266 (макс. 0-1.0V), D1 Mini має вбудований дільник 220k\u002F100k, що дозволяє безпечно вимірювати до 3.2V.","Суворо 3,3 В логіка: Піни GPIO ESP8266 не підтримують рівень 5 В. Для прямого підключення 5-вольтових датчиків необхідні двонаправлені перетворювачі рівнів.","Пастки ліній завантаження: D8 (GPIO15) не можна підтягувати до HIGH під час старту. D3 (GPIO0), підтягнутий до LOW, переводить чіп у режим прошивки.",1791754290636]