Improving our ESP32 MP3 Player ()
We saw in the last instalment (here) how to simply play an MP3 on our ESP32. In this article/video we look at how to add volume control and to play all the MP3's that we put on the root directory of our SD card (ignoring anything else). The video below takes you through all this, in addition the source code.....
ILI9341 SD card or other problems with ESP32? Try this. ()
A quick rough and ready one take video of a solution to a problem I had when I had several components on my board and a "as delivered" ILI9341. Until the extra components went on everything was fine, then it wasn't.... Here's my solution to the problem......
Playing MP3's (and other types) on your ESP32 from an SD Card ()
How to play MP3's and other file formats on your ESP32 from an SD Card. All you need to know to make a simple music player. Code shown in video is below. Links:Github page for the library used : https://github.com/schreibfaul1/ESP32-audioI2S Affiliate links for the items shown: Clicking these costs you the same price but gives me a small commission,.....
ESP32 I2S Internet Radio. Full Tutorial & explanation of I2S. For PCM5102 & MAX98357A I2S Decoders. ()
This is a full tutorial for connecting up the PCM5102 or MAX98357A I2S decoder DAC's. With the demo's being how to use them for Internet Radio. It also includes a explanation of what I2S is and how it functions. I will build on this in future episodes which will show how to play MP3's from SD card and add in.....
ILI9341 TFT LCD to ESP32 - Full HOW TO ()
The ILI9341 is a great display, fast, cheap and most modules for hobbyists come with an on-board SD Card reader and built in touch screen - marvellous! But getting all these things working, especially with the ESP32 has sometimes been a little hit and miss - if you trawl the internet and all the requests for help. So here, hopefully,.....
ESP32 - Out of memory - How to solve this compiler error and get more of the memory you paid for! ()
How to solve the out of memory error when compiling for ESP32. This will occur even when you've only used 1Mb of memory and you should have up to 4Mb! If you've seen other solutions and they didn't work for you then try this - as I've had the same experience and have pieced this solution together from various sources......
Data Logging (Temperature) on Arduino ()
In this video and article we look at how to log temperature (you could expand this for other sensors you may have) onto an SD card in a format suitable for direct opening in Excel (and probably open office too or other available packages). Here's the video, the circuit diagram and source code used are at the bottom of the.....
Quickie: SD Cards with Arduino ()
A video with everything you need to know has been published below, the circuit diagram (if you need it) is at the bottom of the article which ises the connections used in the video. SD cards are incredibly cheap (around the price of a normal size chocolate bar), yet for storing large amounts of data for use by (or.....
Quickie: Using PIR sensors with Arduino ()
The video covers using PIR (Passive InfraRed) sensors with an Arduino. These are simple movement sensors and although libraries are available they are not required to work with these devices. The sample code shown in the video is shown below......
Fake Lego "M" Motor versus Real Lego Motor ()
Which is better? Fake Lego Motor or Real Lego Motor - Let's find out. Power Functions "M" class. Let's find out which is better, fake lego "M" motors or real? In this video I go through a series of tests to find out.....