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Pros and cons between GIMP and Ink Scape blog.

GIMP To begin with I treated GIMP as if it were Photoshop back when I was learning at college. I’d scan in and import my Griffin sketch and put a white layer over this which was 60 percent opacity (so the original can be seen see below new picture). After this a completely transparent layer…
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ESP32 Internet Radio Fancy

This is related to a past blog. https://matthewbullweb.co.uk/esp32-internet-radio-display/ Failed WiFi Animation When my project started up it expects to be connected to my WiFi network. If this failed for any reason a animation will be played for 5 seconds before the board reboots to try again. It will keep doing this until it connects. This…
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ESP32 Internet Radio + Display

In my last blog I showed an internet radio with three stations hard coded into the program (Arduino sketch). This allowed the station to be cycled between via a button press. To improve upon this I will make use of the OLED 0.96-inch Display – Amazon Link and another button on pin23. Showing the station and playing…
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ESP32 Internet Radio with button

To start with I followed this tutorial to find a DAC (Digital Analogue Converter) and how to connected it up. The Parts I Used Two Full Sized bread boards joined with the build in clips (as in video) ESP32 WEMOS LOLIN32 V1.0.0 I2S PCM5102A DAC Decoder 32bit Player Module ebay.co.uk link LAVA Mini Speaker (build…
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My tech journey overview

Since a young age, about 5 years old, I migrated from drawing and playing with cars and other toys. I got involved with a old IBM computer computer my dad rescued from a skip where he worked. It was very basic (crude by todays standard). There was a monitor, keyboard and mouse with a buzzer…
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ESP32 OLED Animations

I followed the below video from the Volos Projects YouTube channel, After getting the animation I simplified the repeated code that displayed each frame below This now use a multi dimensional array called laugh, a loop and centres the animated icon. It now cycles though the array rather than every frame E.g. ‘frame0’ having to…
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Storing files in ESP32 SPIFFS

While experimenting and researching I found there are two ways of uploading files to the ESP32 via the SPIFF partition. This is separate from the main program sketch which means its content does not need uploading each time. The partition does however need to be preformatted for its first used. Its size is limited to…
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