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In the last bunch of posts I have talked about the main systems of the pinball machine electronics package. Now it is time to assemble all of those pieces into a complete system on an Eagle schematic which you can find in the “eagle” directory on the github site. I use the multipage capability of […]
In the previous three posts I created a Music Player component by building the symbol+schematics, making a public interface, and writing the firmware. In this post I will show you the test program called “MusicTestComponent”. In order to get access to the PinballComponents library project I first right click on my project and edit the dependencies. […]
After a few days off (Im sorry) I am back to it. Every Pinball machine does lots of beeping, buzzing and music playing as will this one. A very inexpensive way to make sound is to use a piezo-electric buzzer. To make it “buzz”, you just drive a 50% duty cycle square wave into it […]
In the previous post I talked about the design and test of a matrix of LEDs, specifically a 3×3 matrix. The benefit of the matrix is that you use only sqrt(# LEDs) GPIO pins. For my Pinball machine I am planning on using a 4×4 matrix. There are two problems with this technique: You must limit […]
In the next few posts I am going to show how to build a very simple BLE project for the shield, debug it using CySmart, make an iOS app, and finally make an Android app. I am going to try to only put in the bare minimum of feature that will enable you to see […]
