A real working project
Finally, here you have a real picture of the complete circuit assembled with the optocoupler I had and a coin being detected:
![](https://static.packt-cdn.com/products/9781784398569/graphics/8569OT_05_09.jpg)
A complete assembly detecting a coin
Finally, here you have a real picture of the complete circuit assembled with the optocoupler I had and a coin being detected:
A complete assembly detecting a coin