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Qinheng)","Ponte USB–UART em encapsulamento SOP-16 com sinais de modem e cristal externo de 12 MHz, comum em placas baratas compatíveis com Arduino e com ESP8266.",[600],{"packageType":601,"pinCount":12},"SOP-16",[601],{"context":604,"min":605,"max":606,"typical":157},"supply",2.9,5.3,{"supplyVoltageMinV":605,"supplyVoltageTypV":157,"supplyVoltageMaxV":606},"Programação e telemetria via USB",[500],{"title":611,"description":612,"card":613,"intro":614,"safe":615,"adc":616,"interfaces":617,"strapping":618,"input":619,"overview":620},"Pinagem e Referência de Hardware do Wemos D1 Mini v3.0","Diagrama de pinagem interativo do Wemos D1 Mini v3.0: módulo Wi-Fi ESP8266EX de 3,3 V, 16 pinos DIP, ponte USB-UART CH340C, jumper SLEEP, divisor interno em A0 (0-3,2 V) e ligação para deep sleep.","Placa Wi-Fi ESP8266 compacta com 16 pinos compatíveis com protoboard, ponte USB-UART CH340C integrada e botão de reset.","A Wemos D1 Mini v3.0 é uma placa de desenvolvimento IoT compacta e compatível com protoboard alimentada pelo SoC Espressif ESP8266EX (arquitetura de chip discreto sem blindagem). Com 11 pinos de E\u002FS digital, 1 entrada analógica com divisor integrado e uma ponte USB-UART CH340C integrada, é um dos microcontroladores Wi-Fi mais acessíveis.","Opera com nível lógico de 3,3 V. Os pinos GPIO do ESP8266 NÃO toleram 5V (máx. 3,6 V). O pino 5V alimenta o regulador LDO ME6211 de 3,3 V integrado (até 500 mA de saída).","O pino A0 se conecta a um divisor de tensão integrado de 220 kΩ \u002F 100 kΩ, que escala tensões externas de até 3,2 V para o canal ADC TOUT bruto de 0-1,0 V do ESP8266.","UART0 por hardware em TX\u002FRX (compartilhada com o USB). SPI por software\u002Fhardware em D5 (SCK), D6 (MISO), D7 (MOSI), D8 (SS). Barramento I2C padrão em D1 (SCL) e D2 (SDA).","Pinos de strapping da configuração de boot: D3 (GPIO0) com pull-up para o modo Flash; D4 (GPIO2) com pull-up, aciona o LED azul integrado; D8 (GPIO15) com pull-down, deve estar em LOW no boot.","Os pinos GPIO bidirecionais possuem pull-ups internos configuráveis por software (~30-100 kΩ), exceto o GPIO16 (D0), que tem um pull-down integrado.",{"summary":621,"power":622,"variants":626,"before":629},"A Wemos D1 Mini v3.0 combina o microcontrolador ESP8266EX de 80\u002F160 MHz com 4MB de flash e uma ponte USB-UART integrada em um formato miniatura de 25.6x34.2mm. Ela suporta um vasto ecossistema de shields empilháveis (relés, sensores, drivers de motor, OLEDs).",{"usb_5v":623,"v33_rail":624,"sleep_jumper":625},"5V USB \u002F barra: a entrada de 5V DC do Micro-USB ou da alimentação externa alimenta diretamente o regulador LDO ME6211 de 3,3 V e 500mA.","Pino 3V3: trilha regulada de 3,3 V que alimenta o módulo ESP-12F e periféricos externos de baixo consumo. Corrente máxima disponível de ~450 mA.","Jumper de solda SLEEP: localizado na camada inferior, liga o GPIO16 (D0 \u002F WAKE) ao pino RST para o despertar automático do Deep Sleep pelo RTC.",{"v30":627,"pro":628},"Wemos D1 Mini V3.0: possui o chip USB CH340C (que elimina o cristal externo), LDO ME6211, circuito de reset aprimorado e jumper de solda de sleep.","D1 Mini Pro: variante avançada com 16MB de flash, chip USB CP2104, antena cerâmica tipo chip e conector de antena externa I-PEX.",{"deep_sleep_jumper":630,"a0_divider_range":631,"not_5v_tolerant":632,"boot_strapping_pins":633},"Despertar automático do Deep Sleep vs gravação: soldar o jumper SLEEP (ligando D0 ao RST) habilita o despertar do deep sleep, mas pode interferir no autorreset durante o upload do firmware.","Faixa de entrada analógica: diferentemente dos módulos ESP8266 puros (máx. 0-1,0 V), a D1 Mini tem um divisor integrado de 220k\u002F100k que permite medições seguras de até 3,2 V.","Lógica estritamente de 3,3 V: os pinos GPIO do ESP8266 não toleram 5V. Conectar sensores de 5V diretamente exige um conversor de nível lógico bidirecional.","Armadilhas dos pinos de strapping: o D8 (GPIO15) não deve ser levado a HIGH no boot. O D3 (GPIO0) em LOW entra no modo de gravação do bootloader.",1791754290672]