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…
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,…
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
With my SIM800L v2 module, I was in a dilemma because the network LED kept blinking every second; however, it did not receive any…
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
One of the more advanced sensors available in electronics projects is the Gravity Analog Electrical Conductivity Sensor by DFRobot. The specifications of the sensor…
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…
arduino
Burning Bootloader into Nano CH340
The bootloader is the program burned into an Arduino board and runs the moment the Arduino is powered on or when the reset button…
arduino
Programming the Nano CH340
One of the most affordable and compact microcontrollers available on the market is the Nano CH340, an Arduino compatible microcontroller board at an affordable…