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ATmega328P 8-bit AVR RISC microcontroller with 32 KB Flash, 2 KB SRAM, 1 KB EEPROM, 6 PWM channels, and 8-channel 10-bit ADC in 32-pin TQFP package.","atmega328p",{"id":764,"kind":765,"label":766,"silkscreenLabel":767,"x":768,"y":769,"width":770,"height":771,"showLabelOnBoard":116,"labelPosition":87,"description":772},"xtal_16mhz","crystal_smd","16.0MHz","Y1",3.44,12.4,1.6,3.2,"Murata CSTCE 16.000 MHz (or 8.000 MHz on 3.3V models) ceramic resonator with built-in load capacitors providing system clock.",{"id":774,"kind":775,"label":776,"subLabel":777,"silkscreenLabel":778,"x":779,"y":779,"width":780,"height":781,"showLabelOnBoard":20,"labelPosition":87,"description":782},"reg_mic5205","voltage_regulator","MIC5205","5.0V","U2",7.44,2.9,2.8,"Micrel MIC5205 ultra-low-noise 150mA LDO regulator stepping down RAW voltage (up to 12V DC) to clean 5V (or 3.3V) system VCC.",{"id":784,"kind":785,"label":786,"subLabel":787,"silkscreenLabel":788,"x":789,"y":790,"width":771,"height":770,"showLabelOnBoard":116,"labelPosition":87,"description":791},"cap_in","capacitor_tantalum","10µF Input (C13)","10µF","C13",3.1,6.19,"10µF tantalum input decoupling capacitor stabilizing RAW power rail before voltage regulator.",{"id":793,"kind":785,"label":794,"subLabel":787,"silkscreenLabel":795,"x":796,"y":797,"width":771,"height":770,"showLabelOnBoard":116,"labelPosition":87,"description":798},"cap_out","10µF Output (C19)","C19",11.61,8.09,"10µF tantalum output decoupling capacitor stabilizing VCC power rail.",{"id":800,"kind":801,"label":802,"silkscreenLabel":803,"color":804,"x":805,"y":806,"width":770,"height":807,"showLabelOnBoard":20,"labelPosition":87,"description":808},"led_pwr","led_smd","PWR","ON","#ef4444",8.12,10.75,0.8,"Red power indicator LED connected to VCC through current-limiting resistor.",{"id":810,"kind":811,"label":243,"silkscreenLabel":237,"x":812,"y":813,"width":137,"height":814,"showLabelOnBoard":20,"labelPosition":43,"description":815},"btn_rst","button_smd",7.52,29.1,2.5,"Tactile reset pushbutton pulling the active-low \u002FRESET pin to GND.",{"id":817,"kind":801,"label":818,"silkscreenLabel":819,"color":820,"x":821,"y":822,"width":770,"height":807,"showLabelOnBoard":20,"labelPosition":43,"description":823},"led_d13","D13","L","#22c55e",12.92,30.89,"Green user status LED connected to digital pin 13 (SCK) via active-high buffer.",{"id":10,"name":825,"manufacturer":825,"ecosystem":825,"descriptionKey":826},"Arduino","families.arduino.description",[828,835,842],{"id":14,"publisher":829,"title":830,"documentType":831,"version":832,"url":833,"accessedDate":834},"Arduino \u002F SparkFun","Arduino Pro Mini Documentation and Pinout Reference","user_guide","v14","https:\u002F\u002Fdocs.arduino.cc\u002Fretired\u002Fboards\u002Farduino-pro-mini","2026-09-16",{"id":15,"publisher":836,"title":837,"documentType":838,"version":839,"url":840,"accessedDate":841},"Microchip Technology","ATmega328P 8-bit AVR Microcontroller Datasheet","datasheet","Rev. 7810D","https:\u002F\u002Fww1.microchip.com\u002Fdownloads\u002Fen\u002FDeviceDoc\u002FAtmel-7810-Automotive-Microcontrollers-ATmega328P_Datasheet.pdf","2026-09-13",{"id":16,"publisher":843,"title":844,"documentType":845,"version":832,"url":846,"accessedDate":834},"SparkFun Electronics","Arduino Pro Mini 328 Schematic and Eagle Hardware Files","schematic","https:\u002F\u002Fgithub.com\u002Fsparkfun\u002FArduino_Pro_Mini_328",[848,851,854,857],{"slug":849,"name":850},"arduino-mega-2560","Arduino Mega 2560 Rev3",{"slug":852,"name":853},"nodemcu-v2-cp2102","NodeMCU v2 Amica (ESP8266)",{"slug":855,"name":856},"raspberry-pi-gpio-40pin","Raspberry Pi 40-Pin GPIO Header",{"slug":858,"name":859},"raspberry-pi-pico","Raspberry Pi Pico",[],[],{"title":863,"description":864,"card":865,"intro":866,"safe":867,"adc":868,"interfaces":869,"strapping":870,"input":871,"overview":872},"Pinout y Referencia de Arduino Pro Mini","Diagrama de pines interactivo de Arduino Pro Mini: 24 pines DIP, conector FTDI de 6 pines, 4 pads analógicos internos (A4-A7), reglas RAW vs VCC, especificaciones 5V\u002F16MHz y 3,3 V\u002F8MHz.","Placa de desarrollo ATmega328P ultracompacta con 24 pines DIP, conector FTDI de 6 pines y 8 entradas analógicas.","El Arduino Pro Mini es una placa ultracompacta basada en el ATmega328P diseñada por SparkFun para instalaciones permanentes o con limitaciones de espacio. Al requerir un adaptador externo USB-UART para la carga de código, ofrece el rendimiento completo de un Uno en un formato ligero de 18x33 mm.","Funciona con lógica de 5V (o 3,3 V). La corriente continua por pin de E\u002FS no debe superar los 20 mA (40 mA máximo absoluto). El pin RAW acepta una entrada de CC de 5,5 V a 12V.","Los pines A0 a A7 ofrecen 8 canales de conversión analógica de 10 bits. Nota: A6 y A7 son entradas analógicas dedicadas y no admiten GPIO digital.","UART por hardware en D0 (RX) y D1 (TX) más conector FTDI. SPI en D10 (SS), D11 (MOSI), D12 (MISO), D13 (SCK). I2C en los pads internos A4 (SDA) y A5 (SCL).","Arquitectura AVR clásica de 8 bits. El pin D13 controla el LED de usuario (L). DTR en el puerto FTDI permite auto-reset mediante capacitor de 100 nF.","Los pines D2-D12 y A0-A5 son GPIO bidireccionales con pull-ups internas programables (~20-50 kΩ). Los pines A6 y A7 carecen de búferes de entrada digital.",{"summary":873,"power":874,"variants":878,"before":881},"El Arduino Pro Mini es una placa de desarrollo minimalista basada en ATmega328P diseñada para instalaciones de bajo consumo y tamaño reducido. Elimina el conector USB para ofrecer 24 pines DIP compatibles con breadboard, un conector FTDI de 6 pines y 4 pads analógicos internos.",{"raw":875,"vcc":876,"ftdi":877},"Pin RAW: Entrada de voltaje DC no regulado (5,5 V a 12V) que se estabiliza a través del regulador MIC5205 integrado.","Pin VCC: carril de alimentación regulado que alimenta directamente la MCU ATmega328P. Suministra aquí 5,0 V (o 3,3 V); superar 5,5 V destruye de forma permanente el microcontrolador.","Tira FTDI de 6 pines: proporciona alimentación de 5V\u002F3,3 V durante la programación y conecta RX, TX y DTR para la carga automática de sketches.",{"v5_16mhz":879,"v33_8mhz":880},"Variante 5V \u002F 16 MHz: Funciona a 16 MHz con lógica de 5V. Proporciona la velocidad de un Arduino Uno y compatibilidad con sensores de 5V.","Variante 3,3 V \u002F 8 MHz: Funciona a 8 MHz con lógica de 3,3 V. Ideal para proyectos con baterías y comunicación con sensores de 3,3 V.",{"raw_vs_vcc":882,"ftdi_orientation":883,"analog_only_a6_a7":884,"d13_led":885},"Peligro de alimentación RAW vs VCC: Nunca conectes voltajes no regulados (>5,5 V) a VCC. Usa siempre el pin RAW para fuentes no reguladas.","Orientación del conector FTDI: Alinee el pin BLK con GND (cable negro) y GRN con DTR (cable verde) para evitar cortocircuitos.","A6 y A7 son solo analógicos: los pines A6 y A7 del ATmega328P TQFP-32 carecen de búferes de E\u002FS digital. pinMode() y digitalRead() no funcionan en estos canales.","Pin 13 compartido con LED de usuario: El pin D13 está conectado al LED onboard y a su resistencia limitadora, lo que puede afectar mediciones de alta impedancia.",1791754287889]