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blog.wokwi.com
| | peanball.net

The Raspberry Pi has only a single PWM output. The Dagu Rover 5 chassis has 4 motors and 4 optical encoders that need reading as well. So my approach was to get a PWM servo/logic controller that could control the Dagu Motor Controller and additionally some servos for the camera pan/tilt.
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| | highlowtech.org

This tutorial explains how to do simple playback of short (~4 second), low-bitrate (8 KHz) audio samples from Arduino using only a speaker.
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| | michaelscodingspot.com

Michael Shpilt's Blog on .NET software development, C#, performance, debugging, and programming productivity
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| | domipheus.com

Still working on my bench power supply, and wanted to move from my 16×2 retro LCD to something a bit more funky, and found these which use the Samsung S6D02A1 chip. 1.8 Inch Serial SPI TFT LCD Display Module With Power IC SD Socket At the time of writing, you can get these from a UK warehouse for £3.30 shipped for a single unit. That's awesome. However, the comments were quite bad and many people had issues with them - no matter how it was wired an Arduino wouldn't drive it. After lots of trial and error...
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