In almost every model you can build an electronic circuit: Flashing light for the car, remote control for model boat, remote control for model aircraft. There are hundreds of possible circuits.
Here we will publish links to particularly clever construction plans, as far as we get informed.
Here you will find Schematic Circuit Diagram for DIY and further information on Model
|Small SMD beeper||www.oliver-saal.de/elektronik/ortpiep.php|