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
Monitoring Heart Rate and Oxygen Using the MAX30100
In this project, I will guide you in creating a simple health-monitoring device. That measures heart rate and oxygen saturation (SpO2) and displays the…
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
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…
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…
esp8266
ESP8266 RFID-Based Security System with Servo
The ESP8266 RFID-Based Security System with Servo is a security system. It enables a reliable and customizable solution based on RFID technology and servo…
electronics
Blinking LED with Timer Circuit
Welcome! In this guide, I’ll show you how to build the “Blinking LED with Timer Circuit.” This simple project is a great way to…
esp8266
ESP8266 Toggle Lock System
An ESP8266, a 5V relay, and a door strike - flip the lock from your phone over Wi-Fi. The board hosts a tiny web…
esp32 cam
ESP32-CAM Image Capture and SD Storage
The ESP32-CAM is a small board with a built-in camera, making it ideal for many projects. For example, it can shoot and store high-quality…
concept tutorials
LED, Resistor, and Switch in Series: A Quick Guide
To try making a simple electronic circuit, you can connect an LED, a resistor, and a switch in a series. This setup is easy…
esp32
ESP32 NTP Time Synchronization with LCD Display
In today’s connected world, accurate time synchronization is important for many applications. For example, the ESP32 NTP Time Synchronization with LCD Display project combines…