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…
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…
arduino
Automated Boom Barrier System
The Automated Boom Barrier System is an easy way to control vehicle access. For example, it uses an ultrasonic distance sensor and a servo…
arduino
Touchscreen Drawing Demo with ILI9341 Display
Creating an interactive drawing demo with the ILI9341 Display is an exciting mix of hardware and software. For example, it shows the screen’s versatility,…
arduino
Using an OLED 1.3″ I2C Display with Arduino
This OLED is small, but it can handle tasks like a normal screen. If the correct library is used, it can project any form…
programming
Pisonet Coin Slot Wiring Diagram
How to Read Pisonet Coin Slot Wiring Diagrams Understanding wiring diagrams is essential for any pisonet coin slot owner. These diagrams allow owners to…
arduino
SIM800l V2 Keeps Blinking Every Second
The Problem With my SIM800L v2 module, I was in a dilemma because the network LED kept blinking every second; however, it did not…
arduino
Joystick Controlled Servo for Arduino
One of the neat projects you can run with Arduino is incorporating a joystick to work in tandem with a servo motor. This allows…
arduino
Adafruit Audio FX Sound Board – WAV/OGG Trigger with 2MB Flash
A great addition to any project is the presence of audio effects. One of the best ways to integrate sounds into a project is…
arduino
Setting Up Knowflow Library for Arduino IDE
About the KnowFlow Sensor One of the more advanced sensors available in electronics projects is the Gravity Analog Electrical Conductivity Sensor by DFRobot. The…
concept tutorials
Quick Start Guide to Using a Piezo Vibration Sensor
A simple yet has a wide variety of applications is the Piezo Vibration Sensor. Need to detect an impact? Use Piezo Vibration Sensor. Need…
arduino
Getting Started With the OV7670 Camera for Arduino
One of the most exciting projects with an Arduino is giving the project its own eyes, so to speak. Adding a camera to an…