Building a 6502 computer: Episode 1, introduction ()
Introduction to a new series of videos designing and building an 6502 based 8 bit computer. The principles of which can be applied to more advanced systems. In the upcoming videos we will look at all the principles in making our computer work, from the hardware to designing a "good" OS......
The NEW ESP32-S3, more power, more pins, more everything - Nearly! ()
A quick video covering Espressiv's press release about the new ESP32-S3......
Up-cycling a cheap Christmas tree's lights ()
Video on upgrading some cheap battery powered lights on a Christmas tree. Source code further down. Source code.....
Be James Bond with ESP32 Cam / Spy Camera ()
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 you through all the steps you need, but there are.....
Gyro (Position) sensors (MPU6050) with Arduino - How to access Pitch, Roll and Yaw angles ()
The video below goes through the details, underneath the video you will find the sample code, a circuit diagram and an affiliate parts list. The MPU6050 is a versatile unit that can measure its orientation and it's acceleration in all three dimensions. However did have difficulty in finding a user friendly working library. The one I eventually settled on.....
Writing your own ESP32 I2S WAV Player - Part 5 - Mixing sounds ()
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 the software as they've been created. You'll find these other.....
I2S Player (Part 4) : Adding volume control ()
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 the menus above. PARTS LIST (AFFILIATE LINKS)ESP32 : .....
ESP32 I2S Part 3 - Playing Wavs from SD Cards ()
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 the video description. It's recommended you watch the.....
I2S on ESP3 - Part 2, WAV's ()
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 episode then this is recommended - although not essential. That.....
ESP32 - Intro to I2S Part 1 ()
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 run through of the demo software - which has been.....