Controlador basado en Arduino Nano para dosificación con celda de carga HX711, RTC DS3231, tarjeta SD, LCD I2C, teclado, sensores Hall/IR y tres motores paso a paso con drivers A4988 desde entrada 12 VDC.

Controlador basado en Arduino Nano para dosificación con celda de carga HX711, RTC DS3231, tarjeta SD, LCD I2C, teclado, sensores Hall/IR y tres motores paso a paso con drivers A4988 desde entrada 12 VDC.

Industrial 2-layer ESP32 RFID access controller with 12V input, LM2596 5V rail, 3.3V logic, MFRC522 RFID, I2C LCD, relay output, buzzer, buttons, and debug/test headers.

Couveuse intelligente connectée basée sur ESP32 avec capteur DHT22, LCD I2C 16x2, servo de retournement, buzzer, LED et deux modules relais pour chauffage/humidification.

Temperature indicator using an Arduino Uno, a 16x2 I2C LCD, and a DHT22 temperature and humidity sensor, with minimal supporting components for pull-up and power stabilization.

Modular ESP32 dev-board smart photobioreactor controller with 12 V input protection, 5 V buck conversion, 3.3 V regulation, connectorized sensors and actuators, I2C LCD and RTC, SPI SD logging, GPIO breakout, test points, and prototype-friendly high-power/low-power partitioning.

This is a 16x2 LCD display screen with I2C interface. It is able to display 16x2 characters on 2 lines, white characters on blue background.

This is a 16x2 LCD display screen with I2C interface. It is able to display 16x2 characters on 2 lines, white characters on blue background.

This is a 16x2 LCD display screen with I2C interface. It is able to display 16x2 characters on 2 lines, white characters on blue background.