![]() ![]() slot ' ma- chine which operates by means of the insertion of a coin, token. The point is - if they are directly connected to digital logic, you will be able to control them directly with an Arduino and relays will be entirely unnecessary. Attached to each reel are ten facsimiles of standard playing cards. Are they (presumably) connected to a digital logic circuit, or to some other relay or solenoid? Identify to what the buttons are actually connected in the unit. What Are Slot Reels Types of Slot Reels You will find a rich variety of slot reels when you visit any physical or online casinos. Actually, once you have verified that the power supply negative is grounded, you could first test with the power off, whether either of each switch wires is in fact, connected directly to ground. Identify with the meter while powered, what voltages are on both wires of each switch relative to the ground or negative logic supply. It presumably has a digital display and uses 5 V logic to drive it. ![]() Identify what sort of devices are used in the machine chip numbers and such. Start by identifying the power supply - what voltages (no doubt more than one) does it use? Verify that the negative of the supply connects to the chassis of the machine as it almost certainly does. While you can use relays, it is preferably to understand just what this machine is.
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