Arduino

Store and Load Files in SPIFSS of ESP32

Compared with the Arduino, ESP32 has a large non-volatile storage. We can use this storage to store different files, and use the built-in SPIFSS library to load the files in the program.

Jul 25, 2020

Using Ultrasonic Sensor with Arduino

By using the HC-SR04 ultrasonic sensor, it is easy to measure a short distance with a microcontroller like Arduino. This is particularly useful for making a robot.

May 16, 2020

Control High Power Devices with Arduino and Transistors

By using a simple TIP120 transistor, it is easy to control high power devices with an Arduino while keeping the Arduino undamaged.

May 2, 2020

Create a Simple Web Server with ESP32 and Arduino IDE

It is easy to build a simple web page as an interface to control the GPIOs of the ESP32 microcontroller, which is Arduino-compatiable.

Apr 25, 2020

Control a Servo Motor with Arduino

It is easy to use an Arduino to control small servo motors, which are commonly used in building robots.

Apr 10, 2020

Control a Motor with Arduino

By using an H-bridge with Arduino, we can control a motor very easily.

Mar 19, 2020

Analog Input and Output in Arduino

Other than turning a system on and off, we often need to adjust different parameters like brightness, volume or speed of the system. We can use analog input and output in Arduino to achieve this.

Mar 8, 2020

Using a Hall Sensor with Arduino

A digital Hall sensor is a cheap and simple device that can be surprisingly useful in many projects. More importantly, it's very easy to use one with an Arduino.

Mar 2, 2020