Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Waveshare “ESP32-S3-Touch-LCD-4.3B” is a capacitive touch display development board built around an ESP32-S3 SoC with RS485, CAN Bus, I2C, and isolated DIO interfaces provided through a terminal block ...

Maker Uno RP2040 review with Arduino IDE using micro servo, soil moisture sensor, ultrasonic sensor, and I2C OLED modules Today, We will review the Cytron Maker Uno RP2040 development board combining ...

This Arduino project is designed to utilize a DS3231 RTC module and Liquid Crystal I2C to display the time and temperature. A push button is required to manually turn on and off the LCD. There are two ...

The Arduino Pro Portenta C33 module features ready-to-use software libraries and Arduino sketches and expands the ever-growing Portenta range of boards on offer from Arduino.

This paper presents examples of practice sessions for a Biomedical Instrumentation subject, proposed as projects to be simulated, debugged and/or tested on the Arduino-Tinkercad® platform as a work ...

A while ago I received a couple of I/O port expander modules that use the I2C protocol. Using that Chinese module, you can use only the SDA and SCL pins ...

PCF8574_HD44780_I2C PCF8574+HD44780 LCD I2C Arduino Library Library for PCF8574 Breakout Board by Testato on ArduinoForum, based on code from Mario H. You can see in the picture ...