While child-sized humanoid robots like the Unitree R1 have come down in price, not everybody has a spare $6,000 to throw ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.

Learn how to build a WiFi-based fire and smoke alarm system using Arduino UNO R4 that sends real-time SMS notifications through the Circuit Digest API for emergencies, without requiring a GSM module.

This paper aims to design a digital overcurrent relay with a characteristic of a standard inverse that can comply to the IEC standard 60255. The overcurrent relay which is used to protect one phase of ...

The latest version swaps WiFi for a WizNet W5500 ethernet module and even integrates the Arduino Uno R4 directly into the board’s design.

Making objects interactive doesn’t have to be overwhelming—the best Arduino starter kit will help you begin.

Options to power the Arduino Nano include USB, VIN, and 5 volt pin, meaning you have power options for almost any situation.

The Arduino Nano and Uno are equipped with very similar processors (the chip that essentially serves as the brain of the board). The Nano features an ATmega328, while the Uno sports an ATmega328P.

The overcurrent relay which is used to protect one phase of an alternating circuit (AC) from the overcurrent disturbances consists of an Arduino Uno as a microcontroller to control the operation of ...