Velleman K3504 Скачать руководство пользователя страница 8

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

Connect the LED between the points LD1 and the earth (-).



Connect the + and - of the battery direct to the + and - connections of the circuit.



Remark:

switching the

and

connections by mistake will only cause IC1 to be destroyed,

because the rest of the circuit is protected by D7.



Turn both trimming potentiometers to their minimum position (completely to the left). The LED should be flashing now.

13. Test & Usage

Test & usage

Fig. 1

Содержание K3504

Страница 1: ...CAR BURGLAR ALARM...

Страница 2: ...ing LED to indicate that the alarm is in standby mode after a set time after you have left the car Pre alarm built in buzzer to indicate that the alarm is activated so that you will not forget to swit...

Страница 3: ...iron 25 40W with a small tip Wipe it often on a wet sponge or cloth to keep it clean then apply solder to the tip to give it a wet look This is called thinning and will protect the tip and enables yo...

Страница 4: ...Assembly hints 1 3 Soldering Hints 1 Mount the component against the PCB surface and carefully solder the leads 2 Make sure the solder joints are cone shaped and shiny...

Страница 5: ...Construction J J 1 Jumper wires R1 1K 1 0 2 B R2 1K 1 0 2 B 2 1 4W resistors R D1 1N4148 D2 1N4148 D3 1N4148 D4 1N4148 D5 1N4148 D6 1N4148 D7 1N4007 3 Diodes Watch the polarity D CATHODE...

Страница 6: ...Construction T1 BC547C T2 BC547C T3 BC557B 7 Transistors C5 4 7 C6 4 7 C7 4 7 C8 220 F C9 220 F C10 47 F 9 Electrolytic capacitor Watch the polarity C C1 10nF 103 5 Capacitors c...

Страница 7: ...RY1 VR15M121C 1 contact 11 Relay IC1 UA741M IC2 CD4093 IC3 CD4098 IC4 NE555 12 IC s Watch the position of the notch Construction RY...

Страница 8: ...he earth Connect the and of the battery direct to the and connections of the circuit Remark switching the and connections by mistake will only cause IC1 to be destroyed because the rest of the circuit...

Страница 9: ...flashing state after 2 seconds This delay time which is the step out delay time or in other words the delay time between the point of time the voltage disappears from the point DIS coming from the ign...

Страница 10: ...it is visible from the outside use the supplied LED holder if necessary Connect the shortest connection of the LED to the earth chassis and its shortest connection to the point LD1 of the circuit A C...

Страница 11: ...Final connection 2 Warning device connected to...

Страница 12: ...the klaxon can be connected either to the or the of the alarm check with a volt meter Connect the connecting terminals and of the alarm to the corresponding poles of the battery Connect the point COM...

Страница 13: ...2 Warning device connected to Final connection...

Страница 14: ...PCB 15 PCB...

Страница 15: ...16 Schematic diagram Schematic diagram...

Страница 16: ......