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A Multi Coin Acceptor (Selector) is a hardware device used in vending machines, arcade machines, laundry systems, or any coin-operated setup. It can identify and accept multiple types of coins (based on size, weight, material, etc.) and send signals to a controller (like an Arduino, Raspberry Pi, or a microcontroller) to register the inserted coin's value.

✅ Key Features:

???? Typical Specifications:

???? Common Wiring:

???? How It Works:

1. Insert a Coin – User drops a coin into the slot.

2. Validation – The module checks:

   • Size

   • Thickness

   • Weight

   • Electromagnetic signature

3. Signal Output – If valid:

   • Outputs pulses to indicate the coin value.

   • For example, a 5-rupee coin may output 5 pulses, a 2-rupee coin may output 2 pulses.

4. Controller Logic – Your microcontroller counts pulses and increments the total credit accordingly.

???? Programming Coin Types (Varies by model):

1. Enter programming mode (usually by holding a button on the acceptor).

2. Insert the same coin several times to "teach" it.

3. Assign a number of pulses (value) to that coin.

4. Repeat for other coin types.

5. Exit programming mode.

Refer to the specific datasheet or manual for your model (e.g., CH-926, CH-92A, or WEI-YA coin acceptors), as programming steps vary.

???? Use Case Examples:

• Arcade machines (coins = credits)

• Vending machines

• Ticketing kiosks

• Public laundry

• Parking systems

Would you like a wiring diagram and sample Arduino code to interface with one?