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.

Reducing False Alarm Situation in LPG Leak Detection Using Arduino-Based Multi-Sensor (MQ-2, MQ-5, and MQ-6 Gas Sensor) Module ...

The buzzer project is quite simple and exciting, as it enables even a newbie to learn how to make use of the Arduino board in controlling the operation of a buzzer. By writing a small program, the ...

240V LED sign module teardown (with schematic) by Big Clive Publication date 20220303 Usage Attribution-NonCommercial-NoDerivs 4.0 International Topics bigclive Language English ...

The 4G LTE module works with Arduino Pro carrier boards featuring a mini PCIe connector such as the Max Carrier and the new Mid Carrier which we will be covering below. More information can be found ...

In this article, we will differentiate between Active and Passive buzzers and also learn how to use active buzzers and passive buzzers with Arduino.

DFRobot DF2301QG offline voice recognition sensor module is easy to custom and programmable with the Arduino IDE.

The leaked schematic shared by tipster Digital Chat Station reveals that Oppo will offer an entirely new camera design for the Find X6 series as compared to the Find X5 and X5 Pro.

The RGB LED module lets you make all sorts of colors with just four pins from the Arduino. Learn how to do it here!

Arduino Nano 33 IoT schematic pin labels on the uBlox module should be updated to match datasheet #11830 ...