concept tutorials
Smoke Detector CIRCUIT
The Smoke Detector Circuit uses an MQ2 gas sensor to detect smoke and gases like propane, methane, and butane. It is reliable for spotting…
arduino
Graphics with Arduino and Nokia 5110
Welcome to this tutorial, where we will explore how to use the Nokia 5110 LCD display with an Arduino. This project is perfect for…
concept tutorials
Lighting Up the LED Using Body Heat
In the “Lighting Up the LED Using Body Heat” project, I’ll show you how we can turn body heat into electricity using a Peltier…
arduino
Wireless Keypad Transmitter with LCD Feedback
In this project, I’ll guide you through creating a Wireless Keypad Data Transmitter with LCD Feedback system. The goal is to build a simple…
arduino
Arduino Melody Player with Speaker
This melody player sounds way better once you swap in a proper speaker. I used the Mini Metal speaker from Adafruit and the difference…
concept tutorials
Finger Touch Circuit
The finger touch circuit is a simple way to see a transistor act as a switch. You wire an NE222 transistor to an LED…
concept tutorials
Simple Parallel Circuit Using Copper Tape
Creating a parallel circuit using copper foil tape and a coin cell battery is a simple and educational. It will introduce you to basic…
arduino
8-Channel Relay Testing via Arduino
Learning how to test and control an 8-channel relay module using an Arduino is an important skill. Relays allow you to control high-power devices…
esp8266
ESP8266 Water Pump Button-Controlled
The “ESP8266 Button-Controlled Water Pump” is an excellent project to create an efficient and effective system. It uses an ESP8266 microcontroller, a tactile button,…
electronics
Single LED Relay Oscillator Circuit
The Single LED Relay Oscillator Circuit is an easy electronics project for beginners. It uses a relay, a capacitor, a resistor, and a 3.7…
esp8266
ESP8266 Fan Controller and LCD Display
The “ESP8266 Fan Controller and LCD Display” designed to control a fan using a microcontroller. A tactile button is used to turn the fan…
arduino
Simple Keypad Input with Arduino
Simple keypad with an Arduino is a great way to learn about digital inputs and user interfaces. The 4×4 keypad has 16 buttons arranged…