Connect Grove-Relay module to the Digital 4 port of Grove- Base Shield. Connect Grove-Button module to the Digital 2 & 3 ports of Grove- Base Shield. Plug Grove- Base Shield into Arduino. Connect ...

If you have made some Arduino project with Relay Modules, you probably wrote some scattered code for relays. Scattered Code Example 1: You should initalize all the pins and modes for each relay.

This article will explore the workings of a relay module and provide a detailed guide on how to interface a single channel relay module with an Arduino.

Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...

Cytron Maker Nano RP2040 is board similar to Raspberry Pi Pico but with Arduino Nano form factor, a proper reset button, two RGB LEDs, single color LEDs for some GPIOs, a buzzer, as well as two ...

This project is meant to control electrical appliances like fans and lights. You can configure two Yoda modules, one as receiver and the other as transmitter, to control relays that switch on fans and ...