Clap Switch for RGB LEDs using Arduino
Introduction This week’s Arduino project is a classic one and ideal for beginners Here I will be showing how to build a simple clap switch for an RGB LED strip Basically, a...
Introduction This week’s Arduino project is a classic one and ideal for beginners Here I will be showing how to build a simple clap switch for an RGB LED strip Basically, a...
The MQ-135 “air quality” sensor is part of the MQ series of gas sensors that uses a chemical-sensitive element The resistance of such elements varies when exposed to certain...
Flame sensors are found from the simplest gas stoves to huge industrial plants There are different types of fire sensors -- some cheap, some expensive Yet they’re all built for...
Last time, I showed you how to setup the ESP32 development board with the Arduino programming environment This time, I will be building a simple ESP32 web server where data from a...
The ESP32 expands the capabilities of the popular ESP8266 WiFi microcontroller by using a 32-bit microprocessor, and adding Bluetooth 42 among others What possible...
Ever since I wrote about timer interrupts, a number of readers have asked me on how to generate a 16-bit pulse width modulation (PWM) signal with Arduino Well, here it is ...
Current sensors can have different applications: power supplies, over-current protection, and motor control to name a few In this Arduino current sensor tutorial, we will look at...
An Arduino magnetic sensor has several uses: for reading the speed of a rotating object, for door alarms and for navigation In this tutorial, we will build a simple magnet...
In the previous tutorial, we set up a soil moisture sensor and have its data readable via WiFi However, that data is only accessible if the NodeMCU ESP8266 and the client...
Plants need enough water to survive But what if you forgot to water the plants This multi-part ESP8266 tutorial aims to provide a simple soil moisture sensor that reminds you, via...