0 – Introduction In your small Iot devices projects it is sometimes needed to have more buttons than you might have pins, the solution for that is to use a matrix keyboard, instead of having a pin for each button, you would have a pin for each row and column of buttons. For this article […]
Esp32 Tutorial: 3×3 or 4×4 Keyboard Read More »
0 – Introduction With a lot of projects, having a way to display information is vital, so we will, in this article, use one of the most popular libraries there is. With the ammount of oled displays supported, it is unmatched, that library is U8g2. In this tutorial I will use a 128×64 oled display
Esp32 Tutorial: SSD1306 Oled Display with SPI Read More »
0 – Introduction This small project will show you how to use an Esp32 to control a small buzzer using RTOS tasks, making you able to run other code while the music is playing. For this, you will need: 1x Esp32 1x Buzzer 1x Potentiometer 1x Led (optional) 1x Breadboard Atleast 7 small cables (8 if
Esp32 Tutorial: Music with a Buzzer and Tasks Read More »
0 – Introduction If you are thinking of your next project you might be wondering which input method would be the best choice. The Rotary Encoder is, in use, similar to the Potentiometer, but in code, very different. It is actually a little complex to set it up in a good way to work with
Esp32 Tutorial: Rotary Encoder Read More »
0 – Introduction A lot of projects require a way to save permanent data, or a large ammount of data, usually, a SD card is the best solution, as you can buy one for cheap. In this small project you will learn how to do basic file system operations, like read, write, create and delete
Esp32 Tutorial: SD Card Read More »