Velleman-projects K3500 Assembly instructions Manuel d'utilisateur télécharger pdf (Page 7)

Construction & connection

 J1 : 3 x 2P

 IC1 : NE555

 IC2 : NE555

 IC3 : CD4093

10. IC, Check the position of

the notch!

 Install the push button within driver’s reach and connect it to the screw

connector (marked SW1).

 Interrupt the wire to the door contact (driver’s door) and connect the wire

to the point marked “OUT”.

 Connect the “+” connection tot the car’s +12V.

 Make sure that there is tension on this connection constantly!

 Connect the “-” connection to

the car’s chassis.

11. Connection

Fig. 1.0

9. Screw connectors

1 2 3 4 5 6 7 8 9 10 11 12

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Velleman-projects K3500 Assembly instructions Manuel d'utilisateur Page 7