I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery pack.Earlier in one of my Power Bank Instructable I have told, how to identify good cells by measuring their voltages, but this method is not at all […]
DIY Arduino Battery Capacity Tester Continue Reading
In this project you’ll create a standalone web server with an ESP32 that can toggle two LEDs using the Arduino IDE programming environment. If you want to learn more about the ESP32 dev board, read my Getting Started Guide with ESP32. First, watch the video demonstration below Preparing the ESP32 board in Arduino IDE There’s an add-on
ESP32 Web Server – Arduino IDE Continue Reading
This is a simple guide that will teach you how to get started with this cheap Arduino mini clone, covering all the steps one should do to make it work. Basically they are 4… Soldering PIN headers* Wiring it up Installing properly drivers** Testing ..and this is the minimum required that you need to follow
Getting Started With BTE13-010 – Arduino Mini Clone Continue Reading
With all the different ways capacitors are labeled, figuring out the values of your capacitors can be challenging. Especially if you don’t have a digital multi-meter to test them. In this tutorial, I’ll show you how to build three different capacitance meters using an Arduino and a couple resistors. After finishing this project, you’ll be able to measure all
How to Make an Arduino Capacitance Meter Continue Reading
Dejan Nedelkovski had built an Arduino security and alarm system project that uses an ultrasonic sensor for detecting objects and a buzzer for notification. Components needed to build this simple system are: Arduino board, LCD display, 4×4 keypad, ultrasonic sensor and buzzer. The circuit can be connected as shown in the schematics below. In order
Alarm System Powered By Arduino Continue Reading
The DHT11 humidity and temperature sensor makes it really easy to add humidity and temperature data to your DIY electronics projects. It’s perfect for remote weather stations, home environmental control systems, and farm or garden monitoring systems. In this tutorial, I’ll first go into a little background about humidity, then I’ll explain how the DHT11 measures humidity. After that,
How to Set Up the DHT11 Humidity Sensor on an Arduino Continue Reading
In this tutorial, I’ll explain how to set up an LCD on an Arduino and show you all the different ways you can program it. I’ll show you how to print text, scroll text, make custom characters, blink text, and position text. They’re great for any project that outputs data, and they can make your project a lot more
How to Set Up and Program an LCD Display on an Arduino Continue Reading
Have you ever been unsure which display you should be using in your next project? This tutorial from educ8s.tv will come in handy for choosing the best display for your each and every Arduino project! There are lots of choices, so let’s talk about each one of them. Basically, you have three types of displays:
Choose The Best Display For Your Arduino Project Continue Reading
In this project I will show you how you can make an Arduino Touch Screen MP3 Music Player and Alarm Clock. You can watch the following video or read the written tutorial below. If we enter the Music Player we can start playing the music by pressing the big “Play” button in the middle of
Arduino Touch Screen Music Player and Alarm Clock Project Continue Reading
Protect your valuables with a puzzle! Things used in this project Hardware components Arduino MKR IoT Bundle × 1 Software apps and online services Blynk Story Keeping your valuable items away from prying eyes can be hard sometimes, unless you put it in a big safe or something similar… but who has room for that?
