IR sensors for temperature detection are extremely easy to set up and use with our microcontrollers, only 4 wires needed and two of them of for power! If you’re a video kind of person then here’s the accompanying video, otherwise read on below for more textual instructions! Affiliate links Various […]
A quick video covering Espressiv’s press release about the new ESP32-S3.
An intro to using the ESP32 Camera module. Very simple to set up and use, this example uses the is the AI Thinker Module. Camera’s are ridiculously cheap and small nowadays and with small power consumption you could use them from battery power for many hours. The video below takes […]
In this, the last episode on making our own wav player we are going to look at how we can mix multiple sounds together. If you haven’t seen the previous articles in this series then this is highly recommened as they contain circuit digrams and show the other aspects of […]
In this article we add in volume control and go through the principles of changing the volume of digital samples. Video covering everything just below, source code/circuit even further below! If you’ve not seen the previous episodes then these are essential reading/watching. This was the last one – or use […]
A detailed look at how to play WAV’s from SD without using 3rd party libraries for transfer of WAV’s to I2S. It should give you enough detail to add this into your own code/wav players. Video Below which goes through everything and sources code/diagrams afterwards. INTROAs always time-codes are available […]
In this article/episode we are going to follow on from the last one on I2S and get our software to play back some music. We’ll look at the WAV file format and how we can get the data out and send it over I2S. If you haven’t read/watched the previous […]
This is the first in a series of videos and articles explaining I2S and how to use with the ESP32. This opening episode keeps it very simple just using the included standard Espressiv libraries. In the video there is a full explanation of how I2S is implemented followed by a […]
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.
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 […]
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