
| 
 What we present is a circuit that falls into the category of simple projects, but with multiple potential: the integrated HC / Mos has 4 NAND gates associated with the infrared sensor GP1UX31QS, it allows you to create, depending on your needs, a counter , a presence control, a proximity switch, etc.. | 
| 
| | 
| 
| N.B.
| All the listed components are necessary for the correct assemblage of the Kit, some components are already included in the Kit ,others are to acquire apart.The wording included, beside a component, it points out that it is already present the Kit and therefore the price is comprehensive of the component.The components not includedin theKit are underlined in grey. |
| 
|  Accessories included in this Kit

| 
|
| 
|

|