A previous project of an Arduino controlled pinball machine is augmented with sound and music using a WAV Trigger board.
Project tutorial by Bob Blomquist
A standard sized pinball machine made using parts from the home store and pinball supply houses. The game play is controlled by an Arduino.
Automate your shop vac by sensing the current that your maschines uses.
Project showcase by FranzVicenzi
Conversion of an old pinball playfield to an Arduino-driven, fully working pinball machine.
Project showcase by Frogger1108
An electronic keyboard with 7 piano keys, programmed to Middle B/A/G/F/E/D/C, and an 8th button used to access a menu of preset songs.
Project tutorial by Lindsay Fox
There's not much to tell. The targets have two tabs on them. Just solder different wires to each. It doesn't matter which is the ground or the hot lead. It will work in either direction.
There is no need for a voltage divider. No high voltage is used. The targets are simply connected from the ground bus bar to a digital I/O connection on the Arduino board. It is important that you declare these connections with the Arduino's INPUT_PULLUP command. Either that or you have to put a resistor in the circuit. For example, if you don't use a resistor, like I didn't, and you connected the switch to digital I/O number #2, then you would use the line below in you code.
Clever idea. Having done a lot of woodworking, the benefits are quite obvious since I tend to start and stop a number of tools frequently, and hate to the sound of the exhaust system. Well done!
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