The device is useful for a model fire truck and a guard system. The intervals between the signals and their duration is controlled by changing values of electrolytic capacitors C1, C3, fixed resistors R2, R4 (see diagram). Sound effects you can Supplement the indicator light, replacing the resistor R3 with a bulb from a pocket lantern 2,5ВХ0,1A. Output transformer and speaker from any small-sized transistor radio.
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STARTER MOTOR
To run the motor manually? And fingers will discourage, and not always with a half-turn wind up cranky diesels. And the competition time limit to run very hard. Did not fit in the...
…AND WITH A MAGNET
I have developed an activator of water consists of two glued together half-liter plastic bottles of kvass (their wall at the junction with a window size 170x5 mm, sometimes there are...
