Coin Accepting Light Timer

Hi, looking at building a coin accepting Light timer for 2 basketball courts.
Needs to:
Accept $1 & $2 Coin
Display to show time remaining
Switch a relay when there is time remaining
( am electrician the LV control is no problem )

You can use one of the coin slots from core-electronics (bottom) and connect it to an Arduino or other microcontroller to do the coin to time conversion, relay control and time remaining display.

Don’t forget that if you’re doing this as a commercial venture the end product needs to be EMC and EMR compliant.

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