Loop game electric circuit

thingiverse

Simple contact circuit game , with a buzzer, a red light, an interuptor and a micro usb charger. You can use an <strong>old hanger<strong> for the circuit and the contact. <strong>The compnents are not expensive.</strong> ## Components : * 1x red circle led : <strong>€ 1.82</strong> * 1x buzzer : <strong>€ 0,83</strong> * 1x 18650 3.7v: <strong>€ 2,03</strong> | or 3.7v smaller size * 1x 18650 holder : <strong>€ 0,49</strong> | or holder of 3.7v smaller size * 3x hifi contact : <strong>€ 0,90</strong> (x5) * 1x charger micro usb : <strong>€ 0,23</strong> * 1x mini interuptor : <strong>€ 1,72</strong> (x8) * 4x M3 screws x4 (30mm min) : <strong>€ 2,79</strong> (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