Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

T Flip-Flop: Circuit, Truth Table and Working Learn how a T Flip-Flop works, along with its circuit, truth table, and timing diagram. This guide explains toggle flip-flop operation in digital ...

The Arduino GPS tracker circuit connects three main components: Arduino UNO R3, NEO-6M GPS module, and SIM800L GSM module. This design uses both hardware and software serial communication since ...

Electricity can pass through some things but not others. Find out why in this Bitesize Primary KS2 Science video and activity.

Circuit diagram and programming Three different circuits are involved in this device. The first is the circuit for the RDA5807M radio IC, which must be programmed to tune to a specific FM frequency.

Elektor Lab Talk #36 is here! In this episode, our editors and special guests take you on a tour of their most interesting, unusual electronics circuits.

Adafruit IO Arduino Library This library provides a simple device independent interface for interacting with Adafruit IO using Arduino. It allows you to switch between WiFi (ESP8266, ESP32, ESP32-S2, ...

Connection Fig 4. Soil Moisture Monitoring System Circuit Diagram Testing After powering the device, go to your ThingSpeak channel dashboard. You should see real-time data displayed as: Line charts ...

Welcome to the ESP32 Sensor Lab a personal learning collection of beginner friendly IoT projects using ESP32 and various sensors. Each folder inside this repo contains: Arduino code (main.ino) Simple ...