Loop game electric circuit

Simple contact circuit game , with a buzzer, a red light, an interuptor and a micro usb charger.
You can use an old hanger for the circuit and the contact.

The compnents are not expensive.

## Components :

* 1x red circle led : € 1.82
* 1x buzzer : € 0,83
* 1x 18650 3.7v: € 2,03 | or 3.7v smaller size
* 1x 18650 holder : € 0,49 | or holder of 3.7v smaller size
* 3x hifi contact : € 0,90 (x5)
* 1x charger micro usb : € 0,23
* 1x mini interuptor : € 1,72 (x8)
* 4x M3 screws x4 (30mm min) : € 2,79 (x20)

## Install :

* connect the + and - of the battery to the B+ and the B- of the charger
* connect the + exterior of the charger to the switch
* connect the + of the led, the + of the buzzer and a game card together
* connect the - of the led with the - of the buzzer and with the exterior - of the charger
* connect the other branch of the switch to the game handle