Step by step tutorial on how to make a tiny LEGO ATM machine using standard bricks. This guide shows the complete build process including the card slot, cash dispenser, and internal mechanism. Ideal ...

A compact and user-friendly system designed to assist color-blind individuals in identifying colors. This project utilizes an Arduino Nano, a TCS230/TCS3200 color sensor, an OLED display, and a ...

VCC is the power supply pin of the soil moisture sensor that can be connected to 3.3V or 5V of the supply. But do note that the analog output will vary depending on the provided supply voltage. GND is ...

When you’re out riding your bike, a horn can be a useful warning device to other road users and pedestrians alike. It can also be a source of fun and amusement, or annoyance, depending on the sounds ...

SparkFun’s latest development board, the ESP32 Qwiic Pro Mini, puts the Espressif ESP32-PICO-MINI-02 on a compact Arduino Pro Mini footprint. It also includes an onboard QWICC connector for easy ...

An infrared proximity sensor, or IR Sensor, is an electronic device that emits infrared light to detect objects and motion in Arduino projects. This interfacing of the IR sensor module with Arduino is ...

Arduino enthusiasts may be interested to know that the official Arduino website has today opened preorders for the Arduino UNO Mini Limited Edition microcontroller board. The UNO Mini Limited Edition ...

Fast and easy to understand Arduino library to use the DFPlayer Mini MP3 module from DFRobot.com. This is a huge improvement (both in terms of execution speed and simplicity) to the standard library ...

37款传感器与执行器的提法，在网络上广泛流传，其实Arduino能够兼容的传感器模块肯定是不止这37种的。鉴于本人手头积累了一些传感器和执行器模块，依照实践出真知（一定要动手做）的理念，以学习和交流为目的，这里准备逐一动手尝试系列实验，不管成功 ...